Metals and Materials International最新文献

Nanoindentation Study on Depth-Dependent Hardness and Embrittlement of He Ion-Irradiated Fe–9Cr Alloy He离子辐照Fe-9Cr合金硬度和脆度随深度变化的纳米压痕研究

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2025-01-06 DOI: 10.1007/s12540-024-01869-5

Hoe-Yeon Jeong, Seunghyun Lee, Sangbeen Lee, Dae-sik Chang, Jung Gu Lee, Eun-chae Jeon

{"title":"Nanoindentation Study on Depth-Dependent Hardness and Embrittlement of He Ion-Irradiated Fe–9Cr Alloy","authors":"Hoe-Yeon Jeong, Seunghyun Lee, Sangbeen Lee, Dae-sik Chang, Jung Gu Lee, Eun-chae Jeon","doi":"10.1007/s12540-024-01869-5","DOIUrl":"10.1007/s12540-024-01869-5","url":null,"abstract":"<div><p>This study investigates the effects of neutron irradiation and high-temperature environments on the embrittlement and ductility of ARAA steel, a structural material for fusion reactors, using nanoindentation techniques. Neutron irradiation in fusion environments causes material brittleness, increasing the risk of cracks and compromising reactor safety. Conversely, high temperatures enhance ductility, potentially offsetting embrittlement. This research employs nanoindentation techniques to analyze embrittlement and softening, using He ion irradiation under temperature controls to simulate neutron effects, enabling faster damage assessment and providing insights into material behavior. The results demonstrate that irradiation significantly increases hardness, particularly at shallow depths, while higher temperatures generally reduce hardness across the full depth. Under combined irradiation dose and temperature conditions, He ion irradiation primarily caused embrittlement, but the softening effect from higher temperatures reduced damage depth. Embrittlement was deepest at room temperature and decreased with rising irradiation temperature, with the predicted embrittlement depth limited to 3.0 μm under combined conditions.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1557 - 1568"},"PeriodicalIF":3.3,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Mn Content on the Microstructure and Corrosion Resistance of Duplex Stainless Steels Fabricated by Wire Arc Additive Manufacturing Mn含量对电弧增材制造双相不锈钢组织及耐蚀性的影响

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-29 DOI: 10.1007/s12540-024-01842-2

Shuainan Song, Gang Li, Biao Wu, Qun Cai, Xiangwei He

{"title":"Effect of Mn Content on the Microstructure and Corrosion Resistance of Duplex Stainless Steels Fabricated by Wire Arc Additive Manufacturing","authors":"Shuainan Song, Gang Li, Biao Wu, Qun Cai, Xiangwei He","doi":"10.1007/s12540-024-01842-2","DOIUrl":"10.1007/s12540-024-01842-2","url":null,"abstract":"<div><p>Duplex stainless steels (DSSs) fabricated by wire arc additive manufacturing (WAAM) have been attracted significant attention by researchers due to their good mechanical properties and corrosion resistance. In this study, nickel-saving cored wires are developed as filler wire for the DSSs via WAAM process. The effect of Mn content on the microstructure and corrosion resistance of WAAM-ed DSSs is studied in detail. The results indicate multiple kinds of austenite including grain boundary austenite, Widmanstätten austenite and intragranular austenite grains are formed among the ferrite in the deposited metals. The ferrite–austenite phase balance can be obtained in the deposited metals. The impedance polarization indicates that the charge transfer resistance increases, whereas the corrosion current density of the deposited metals decreases with increasing the Mn content. From the corrosion morphology, it is observed that the corrosion pits become shallower and decrease on the deposited metals with increasing the Mn content. The increase of Mn content improves the corrosion resistance of the deposited metals via WAAM process.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1738 - 1753"},"PeriodicalIF":3.3,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterization of Mechanical Behavior in Solution-Treated Micro Plasma Arc Welded Blanks of Inconel 625 固溶处理Inconel 625微等离子弧焊板力学行为表征

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-28 DOI: 10.1007/s12540-024-01850-2

Vivekananda Haldar, Sukhomay Pal

{"title":"Characterization of Mechanical Behavior in Solution-Treated Micro Plasma Arc Welded Blanks of Inconel 625","authors":"Vivekananda Haldar, Sukhomay Pal","doi":"10.1007/s12540-024-01850-2","DOIUrl":"10.1007/s12540-024-01850-2","url":null,"abstract":"<div><p>This investigation aims to comprehensively understand the mechanical\u0000properties and deformation response of Inconel 625 micro plasma arc welded blanks\u0000(MPAWB) of 0.5 mm sheets, with specific attention to their formability. The\u0000welded blanks are solution heat treated at 1100 ºC with holding time of\u00001 h for potential alterations in their forming behavior. The joint metallurgy\u0000of various zones, including the fusion zone (FZ), is assessed through advanced\u0000techniques such as FESEM, TEM and XRD analysis. A micro hardness, uniaxial tensile\u0000and limiting dome height tests (LDH) have been carried out to evaluate the\u0000mechanical properties of MPAWB and solution treated welded blank (STWB). The\u0000analysis reveals that the FZ of the MPAWB predominantly comprises of nickel\u0000γ-matrix along with diverse dendritic structures, alongside some secondary\u0000phases like Laves phase, NbC, and TiC. After the ST, the dendritic structures in the\u0000FZ of MPAWB melt and recrystallize, creating a more uniform microstructure. The\u0000dissolution of secondary phases in the STWB leads to a reduction in dislocation\u0000density compared to the MPAWB. Furthermore, the hardness of STWB decreases from\u0000269 ± 9 HV to 252 ± 6.75 HV, and a notable\u0000increase in elongation by 12.4%, compared to the MPAWB. A significant\u0000improvement in the LDH is observed for STWB, with a value of 14.89 mm,\u0000compared to 13.7 mm for the MPAWB. The forming limit diagrams of IN 625,\u0000MPAWB and STWB exhibit similar strain and thickness distributions along the\u0000uniaxial-to-biaxial strain path. Notably, symmetric strain and thickness\u0000distribution are detected on both sides of the pole for all the cases.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><img></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1769 - 1792"},"PeriodicalIF":3.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microstructural and Mechanical Property Analysis of High-Strength Low-Alloy Steel Tubes Fabricated Using Wire Arc-Directed Energy Deposition Technique 电弧定向能沉积高强低合金钢管的组织与力学性能分析

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-28 DOI: 10.1007/s12540-024-01849-9

Amritbir Singh, Akhil Khajuria, Raman Bedi, Satya Gowtam Dommeti, S. Shiva

{"title":"Microstructural and Mechanical Property Analysis of High-Strength Low-Alloy Steel Tubes Fabricated Using Wire Arc-Directed Energy Deposition Technique","authors":"Amritbir Singh, Akhil Khajuria, Raman Bedi, Satya Gowtam Dommeti, S. Shiva","doi":"10.1007/s12540-024-01849-9","DOIUrl":"10.1007/s12540-024-01849-9","url":null,"abstract":"<div><p>Wire arc-directed energy deposition advances complex part development,\u0000benefiting high-demand commercial applications, especially for parts with integrated\u0000cooling channels. Therefore, in the current study, hollow tubes with 6 mm\u0000internal diameter and 120 mm height were fabricated to analyse its mechanical\u0000properties along the build height. Various wire feed speeds and travel speeds were\u0000used for fabrication, and mechanical properties were evaluated using miniature\u0000tensile samples from the bottom, middle, and top regions of the part to determine\u0000localized strength. The results exhibited that the part fabricated at a wire feed\u0000speed and travel speed of 1.5 m/min and 60 cm/min, respectively,\u0000showed superior mechanical properties. The materials characterization reveals a\u0000grain size increase of 57% in the bottom and 116% in the middle,\u0000compared to the top section. Grain refinement in the bottom and the presence of\u0000martensitic austenitic islands in the top regions led to increases in ultimate\u0000tensile strength by 21.5% and 8.6%, respectively, compared to the\u0000middle section. The pole figure represents the strong texture in top regions\u0000consisting of equiaxed and columnar grains oriented parallel to the build direction.\u0000In addition, the remarkable reheating effects in the middle (74.4%) regions\u0000were confirmed using grain orientation spread analysis. Consequently, these effects\u0000led to the disintegration of martensitic austenitic islands into small-sized\u0000carbides, reducing the middle region’s hardness and strength. The top samples\u0000showed a significant distorted fraction (53.2%), possibly due to martensitic\u0000austenitic islands confirmed by fractography analysis, with the highest hardness of\u0000302 ± 21 HV.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><img></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1815 - 1835"},"PeriodicalIF":3.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparison of the Corrosion Behaviors of Mg–Gd–Y–Zn–Zr Alloys Fabricated by Different Preparation Methods 不同制备方法制备Mg-Gd-Y-Zn-Zr合金的腐蚀行为比较

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-28 DOI: 10.1007/s12540-024-01848-w

Xiangbin Li, Yuxiu Zhang, Jun Liang, Zonghui He, Jinhang Dong, Fei Long

{"title":"Comparison of the Corrosion Behaviors of Mg–Gd–Y–Zn–Zr Alloys Fabricated by Different Preparation Methods","authors":"Xiangbin Li, Yuxiu Zhang, Jun Liang, Zonghui He, Jinhang Dong, Fei Long","doi":"10.1007/s12540-024-01848-w","DOIUrl":"10.1007/s12540-024-01848-w","url":null,"abstract":"<p>The corrosion behaviors of a Mg–5Gd–4Y–1Zn–0.5Zr (wt%) alloy treated with different processing methods were studied. The AE sample (hot extrusion), the AA sample (hot extrusion + annealing) and the AR sample (hot extrusion + annealing + hot rolling) were prepared. The microstructures of the AE sample included dynamically recrystallized grains and deformation grains with an average size of 26.1 μm. In contrast, the AA and AR samples had homogeneous microstructures with average grain sizes of separately 41.2 μm and 36.7 μm. The corrosion behaviors of the samples were different, and the corrosion resistance decreased in the order of AR sample > AA sample > AE sample. The micro-galvanic corrosion consisted of numerous long-period stacking orderly phases and Mg matrix, and the heterogeneously distributed dislocations accelerated the corrosion rate of the AE sample. In contrast, the homogeneous microstructures with increased grain sizes led to better corrosion resistance in the AA and AR samples. The corrosion products were determined to be Mg(OH)<sub>2</sub> and MgO. However, the increased number of Gd and Y atoms helped form compact corrosion product films decorated with Gd<sub>2</sub>O<sub>3</sub> and Y<sub>2</sub>O<sub>3</sub> in the AR and AA samples. In addition, the relatively concentrated prismatic planes also slowed the corrosion rate, resulting in the highest corrosion resistance in the AR sample.</p>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1569 - 1585"},"PeriodicalIF":3.3,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Kinetics of Silicon Carbide Dissolution in Molten Fe–C Alloys 碳化硅在Fe-C合金熔液中的溶解动力学

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-23 DOI: 10.1007/s12540-024-01856-w

Joon Beom Park, Moo Eob Choi, Hyeonwoo Park, Jiwoo Park, Joonho Lee

{"title":"Kinetics of Silicon Carbide Dissolution in Molten Fe–C Alloys","authors":"Joon Beom Park, Moo Eob Choi, Hyeonwoo Park, Jiwoo Park, Joonho Lee","doi":"10.1007/s12540-024-01856-w","DOIUrl":"10.1007/s12540-024-01856-w","url":null,"abstract":"<div><p>The dissolution rate of SiC in molten Fe–C alloys was investigated at 1673 ~ 1773 K, while the initial carbon concentration varied from approximately 2–3 wt%. The dissolution of SiC in molten Fe–C alloys occurred to reach the carbon-saturation composition. By assuming a first-order reaction, the dissolution rate constant was estimated to decrease from 8.17 × 10<sup>−3</sup> to 2.90 × 10<sup>−3</sup> cm/s, as the initial carbon content increased from 2 to 3 wt% at 1673 K. When the temperature increased from 1673 to 1773 K with the sample of the initial carbon content of about 2 wt%, the rate constant increased from 8.17 × 10<sup>−3</sup> to 18.41 × 10<sup>−3</sup> cm/s. The apparent activation energy was estimated at 199.5 kJ/mol. Based on the experimental results, an empirical equation was suggested for the estimation of the SiC dissolution rate constant: <span>(ln kleft( {cm/s} right) = 12.74 - 1.37 times left[ {wt% C} right]_{t = 0} - 2.40 times 10^{4} /Tleft( K right))</span>, which can be applied to the numerical simulation of the Si-pickup in the FINEX and the Hydrogen-enriched Blast Furnace operations.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"30 12","pages":"3537 - 3543"},"PeriodicalIF":3.3,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Heterogeneous Microstructure Evolution and Mechanical Properties of a CrCoNiAl1Ti2 Medium-Entropy Alloy by Thermo-Mechanical Treatment 热处理CrCoNiAl1Ti2中熵合金的异相组织演变及力学性能

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-22 DOI: 10.1007/s12540-024-01845-z

Wentao Wu, Hua Fu, Ping Xia, Bin Gan, Naisheng Jiang, Min Xia, Feng Zhao

{"title":"Heterogeneous Microstructure Evolution and Mechanical Properties of a CrCoNiAl1Ti2 Medium-Entropy Alloy by Thermo-Mechanical Treatment","authors":"Wentao Wu, Hua Fu, Ping Xia, Bin Gan, Naisheng Jiang, Min Xia, Feng Zhao","doi":"10.1007/s12540-024-01845-z","DOIUrl":"10.1007/s12540-024-01845-z","url":null,"abstract":"<div><p>Combining high strength and good ductility is a long-standing and challenging goal for metallic materials in modern engineering applications. Recently developed single-phase high and medium-entropy alloys, particularly those featuring heterogeneous microstructures, demonstrate superior strength-ductility synergy. Here, a single-phase CrCoNi-based medium-entropy alloy (MEA) with heterogeneous microstructures is introduced through suitable thermo-mechanical treatment. The analysis systematically examines the development of heterogeneous microstructures and their corresponding mechanical properties. The tailored CrCoNi-based MEA demonstrated an exceptional balance between strength and ductility, with a yield stress of approximately 1160 MPa and fracture elongation of 29.3% at annealing 800 ℃ for 1 h. The analysis reveals heterogeneous microstructures consisting of variously sized deformed grains, recovery substructure, recrystallized grains, and annealing twins. These features are primarily influenced by the initial grain size, deformation texture, cold-rolling reduction, and annealing temperature. Elevated annealing temperatures enhance the transformation trend of the microbands, introduced by cold rolling, into recrystallized grains. These findings not only provide a fundamental understanding of the formation mechanisms of the heterogeneous microstructure but also useful guidance for developing methods to tailor microstructures in high and medium-entropy alloys.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1613 - 1626"},"PeriodicalIF":3.3,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of Sn Addition on the Ignition Resistance and Microstructural Evolution of Non-Flammable Mg-9Al-0.8Zn-0.1Mn-0.3Ca-0.2Y Alloy Sn添加对不燃Mg-9Al-0.8Zn-0.1Mn-0.3Ca-0.2Y合金耐燃性及组织演变的影响

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-20 DOI: 10.1007/s12540-024-01851-1

Yohan Go, Young Min Kim

{"title":"Influence of Sn Addition on the Ignition Resistance and Microstructural Evolution of Non-Flammable Mg-9Al-0.8Zn-0.1Mn-0.3Ca-0.2Y Alloy","authors":"Yohan Go, Young Min Kim","doi":"10.1007/s12540-024-01851-1","DOIUrl":"10.1007/s12540-024-01851-1","url":null,"abstract":"<div><p>This study investigates the influence of tin (Sn) addition on the ignition resistance and microstructural evolution of Mg-9Al-0.8Zn-0.1Mn-0.3Ca-0.2Y (AZXW9100) magnesium alloy. The AZXW9100 alloy without Sn exhibited a high ignition temperature of approximately 720 °C, significantly exceeding the melting point of magnesium, indicating superior ignition resistance. However, with increasing Sn content, the ignition temperature decreased, with the AZXW9100-4Sn alloy showing a reduction of about 120 °C. Microstructural analysis revealed that calcium (Ca) in the Mg₁₇Al₁₂ phase improves thermal stability and ignition resistance by forming protective oxide layers such as MgO, MgAl₂O₄, and CaO. However, Sn addition promotes the formation of the MgSnCa phase, depleting Ca from the Mg₁₇Al₁₂ phase, resulting in reduced thermal stability. High-temperature oxidation experiments further confirmed that increased Sn content leads to the formation of low-melting phases, accelerating oxidation and lowering the ignition temperature. These findings suggest that while Sn addition can enhance certain mechanical properties, it negatively affects ignition resistance when present in excess. To optimize the performance of AZXW-series alloys, particularly for safety–critical applications, careful control of both Sn and Ca content is essential.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1708 - 1719"},"PeriodicalIF":3.3,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mechanical Characterization of Meta-Materials Manufactured by a Novel Hybrid SLM Technique Utilizing Powder Metallurgy 基于粉末冶金的新型混合SLM技术制备的超材料的力学特性

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-19 DOI: 10.1007/s12540-024-01846-y

Mevlüt Yunus Kayacan, Mustafa Safa Yılmaz, Ahmet Üzün

{"title":"Mechanical Characterization of Meta-Materials Manufactured by a Novel Hybrid SLM Technique Utilizing Powder Metallurgy","authors":"Mevlüt Yunus Kayacan, Mustafa Safa Yılmaz, Ahmet Üzün","doi":"10.1007/s12540-024-01846-y","DOIUrl":"10.1007/s12540-024-01846-y","url":null,"abstract":"<p>In this study, a novel hybrid manufacturing approach was introduced, seamlessly integrating selective laser melting (SLM) with powder metallurgy (PM), aimed at maximizing SLM machine utilization. The method involved using SLM for creating detailed outer shells and intricate lattice structures, while employing PM for sintering metal powders within enclosed volumes. This hybrid approach reduced production time on SLM machines by up to 70%. The parts produced using this technique featured an outer shell, intricate lattice structure, and porous interior, resulting in significant weight reductions of 67 to 83%. Mechanical analysis revealed a 50% reduction in yield strength, which is advantageous for applications requiring greater flexibility and impact absorption. Additionally, the parts demonstrated an 80% increase in toughness, indicating improved durability. These findings highlight the potential of this hybrid technique to revolutionize manufacturing processes in critical sectors such as aerospace and automotive. By overcoming the limitations of traditional SLM methods and leveraging their strengths, this approach offers a significant step forward in manufacturing technology, providing enhanced performance and efficiency.</p>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1541 - 1556"},"PeriodicalIF":3.3,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Post-Manufacturing Heat Treatment on Wear Performance of Laser Powder Bed Fusion 316L Stainless Steel Under Various Normal Loads 加工后热处理对316L不锈钢激光粉末床熔合在不同载荷下磨损性能的影响

IF 3.3 3区材料科学

Metals and Materials International Pub Date : 2024-11-19 DOI: 10.1007/s12540-024-01840-4

Junjie Chen, Hao Liu, Xinhe Xu, Zhanpeng Lu, Tongming Cui, Yandong Jia, Zaiqing Que

{"title":"Effect of Post-Manufacturing Heat Treatment on Wear Performance of Laser Powder Bed Fusion 316L Stainless Steel Under Various Normal Loads","authors":"Junjie Chen, Hao Liu, Xinhe Xu, Zhanpeng Lu, Tongming Cui, Yandong Jia, Zaiqing Que","doi":"10.1007/s12540-024-01840-4","DOIUrl":"10.1007/s12540-024-01840-4","url":null,"abstract":"<div><p>The friction and wear behavior of laser powder bed fusion (L-PBF) 316L stainless steels (SSs) with different post-manufacturing heat treatments (PMHTs) under various normal loads were investigated and compared with conventional wrought 316L SS. The dominant wear mechanism was adhesive wear for L-PBF 316L SS with as-built and stress relief PMHT conditions, but abrasive wear for wrought 316L SS. L-PBF 316L SS with solution annealing PMHT exhibited both adhesive and abrasive wear mechanisms. As built L-PBF 316L SS presented superior or close wear resistance to wrought 316L SS under low and medium normal loads, but the opposite under a high normal load. PMHTs gradually lowered compressive stress levels and decreased dislocation density in L-PBF 316L SS, inducing the degraded wear resistance of L-PBF 316L SS, which was more significant at a high normal load. The differentiated wear performance, i.e., better or worse wear resistances, among wrought and L-PBF 316L SSs not only depends on the applied normal loads during the wear test but is also controlled by the intrinsic microstructural features of materials and exhibited wear mechanisms.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":703,"journal":{"name":"Metals and Materials International","volume":"31 6","pages":"1627 - 1647"},"PeriodicalIF":3.3,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0