International Journal of Refractory Metals & Hard Materials最新文献_第6页

Investigation of the microstructure and properties of a ZrC-reinforced TZM molybdenum alloy 研究 ZrC 增强 TZM 钼合金的微观结构和性能

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-14 DOI: 10.1016/j.ijrmhm.2025.107188

Yanni Wei , Mengfan Ma , Shuyuan Zhang , Yifan Hu , Quanning Li , Linghao Zhu

{"title":"Investigation of the microstructure and properties of a ZrC-reinforced TZM molybdenum alloy","authors":"Yanni Wei , Mengfan Ma , Shuyuan Zhang , Yifan Hu , Quanning Li , Linghao Zhu","doi":"10.1016/j.ijrmhm.2025.107188","DOIUrl":"10.1016/j.ijrmhm.2025.107188","url":null,"abstract":"<div><div>TZM-ZrC composites with different particle content were produced by high-energy ball milling and discharge plasma sintering technology. The density, microstructure and phase composition of the composites with different particle content were investigated. The microhardness and compressive strength at room and high temperature were tested. The strengthening mechanism was explored. The grain size and density of the composites gradually decrease as the ZrC content increase. The addition of ZrC particles provides C element to the matrix, and in situ reacts with the matrix Mo to form Mo<sub>2</sub>C and ZrC<sub>0.7</sub>. The generated reinforced phase and the unreacted stable carbide particles coexist in the grain and at the grain boundaries of the Mo matrix, which inhibit the growth of the grains. The average microhardness of TZM-ZrC composites reaches 670.66 HV, and the compressive strength at room temperature and high temperature (600 °C) is about 2200 MPa and 2000 MPa when the ZrC particle content is 10 %. The excellent mechanical properties and thermal stability of the TZM-ZrC composites are attributed to a synergistic effect of nano-scale dispersion strengthening of ZrC particles and fine-grain strengthening. The study can be used to develop other refractory alloys that have both high strength and high thermal stability for high-temperature applications.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"131 ","pages":"Article 107188"},"PeriodicalIF":4.2,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143833764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Microstructure and wear resistance of zirconium manufactured by laser directed energy deposition 激光定向能沉积法制备锆的显微组织和耐磨性

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-11 DOI: 10.1016/j.ijrmhm.2025.107168

Chaodan Hu , Linjiang Chai , Zhichen Wang , Tao Yang , Yi Tang , Zhongwei Wang , Weijia Gong , Korukonda L. Murty

{"title":"Microstructure and wear resistance of zirconium manufactured by laser directed energy deposition","authors":"Chaodan Hu , Linjiang Chai , Zhichen Wang , Tao Yang , Yi Tang , Zhongwei Wang , Weijia Gong , Korukonda L. Murty","doi":"10.1016/j.ijrmhm.2025.107168","DOIUrl":"10.1016/j.ijrmhm.2025.107168","url":null,"abstract":"<div><div>In this study, a zirconium sheet was fabricated utilizing laser directed energy deposition (L-DED) technique along with its microstructure, hardness, and wear resistance to be compared with a conventionally rolled and annealed (RA) zirconium sheet. The RA specimen exhibits equiaxed grains with uniform size and a bimodal basal texture, along with a few dispersed ZrFe<sub>2</sub> particles. In contrast, the L-DED specimen is featured by parallel or interlaced laths (with dense entangled dislocations) and many Zr<sub>3</sub>Fe precipitates along the lath boundaries, exhibiting a nearly random texture. Tests reveal that the L-DED specimen shows nearly two times hardness and a ∼ 30 % reduced wear rate compared to the RA specimen. Such improvement can be jointly attributed to the enhanced second-phase, dislocation and grain refinement hardening/strengthening. This study verifies the feasibility of producing high performance zirconium materials through L-DED, which could provide some definite insight into further application of additive manufacturing to zirconium production.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"130 ","pages":"Article 107168"},"PeriodicalIF":4.2,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

A novel nitrogen-induced graded cemented carbides with γ'-strengthened binder phase 一种具有γ′强化粘结相的新型氮诱导梯度硬质合金

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-10 DOI: 10.1016/j.ijrmhm.2025.107186

Guorui Chang , Xiaoyu Zheng , Yan Liu , Weili Wang , Na Li , Weibin Zhang

{"title":"A novel nitrogen-induced graded cemented carbides with γ'-strengthened binder phase","authors":"Guorui Chang , Xiaoyu Zheng , Yan Liu , Weili Wang , Na Li , Weibin Zhang","doi":"10.1016/j.ijrmhm.2025.107186","DOIUrl":"10.1016/j.ijrmhm.2025.107186","url":null,"abstract":"<div><div>The novel graded cemented carbides, with continuous variations in composition and phase, offers distinct functionalities to the surface and core. In the present work, a novel nitrogen-induced graded model cemented carbides with γ'-strengthened binder phase was systematically studied. Under the guidance of thermal analysis, the WC-Co-Ni-AlN-<em>M</em>C (<em>M</em> = Ta, Nb) graded model cemented carbides were sintered at 1320 and 1350 °C for 2 h under vacuum, respectively. The evolution of microstructure, elemental distribution, phase distribution and hardness was analyzed from the surface to the core. It was revealed that two different types of graded layers were formed by adjusting the sintering temperature. Meanwhile, the observed γ' phase significantly enhanced the microhardness of the binder phase. Consequently, the novel graded model cemented carbides with γ'-strengthened binder phase exhibited high hardness on the surface and high toughness in the core. Moreover, the migration and diffusion behavior of elements, as well as the formation mechanism of the graded structure, are elucidated. This work presents an innovative framework for the advancement of novel graded cemented carbides.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"130 ","pages":"Article 107186"},"PeriodicalIF":4.2,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143821509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 different composition ratio on mechanical properties of W-Fe-B alloy 不同成分配比对W-Fe-B合金力学性能的影响

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-10 DOI: 10.1016/j.ijrmhm.2025.107181

Quan Gao , Zhenlin Lu , Yuli Li , Yuhang Ding , Qiuyu Chen , Hao Li , Hengxin Xu , Xiangyong Cui , Taotao Sun

引用次数: 0

High-temperature oxidation of TiNbTaVW RHEA: Oxide layer formation under parabolic behaviour TiNbTaVW RHEA的高温氧化：抛物线行为下氧化层的形成

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-09 DOI: 10.1016/j.ijrmhm.2025.107185

Olufemi Sylvester Bamisaye , Nthabiseng Maledi , Desmond Klenam , Michael Oluwatosin Bodunrin

引用次数: 0

Valence electron density based temperature-dependent properties of ultra-high temperature (Ti1-xNbx)C solid solutions 基于价电子密度的超高温（Ti1-xNbx）C固溶体的温度依赖性质

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-09 DOI: 10.1016/j.ijrmhm.2025.107183

Guomin Hua

{"title":"Valence electron density based temperature-dependent properties of ultra-high temperature (Ti1-xNbx)C solid solutions","authors":"Guomin Hua","doi":"10.1016/j.ijrmhm.2025.107183","DOIUrl":"10.1016/j.ijrmhm.2025.107183","url":null,"abstract":"<div><div>In order to understand the mechanical, thermal and chemical properties of ultra-high temperature materials, which are crucial for the extreme environment applications, the valence electron density based temperature-dependent properties of ultra-high temperature (Ti<sub>1-x</sub>Nb<sub>x</sub>)C have been investigated in this study. The obtained results demonstrated that the temperature-dependent work function, thermionic emission, electrical resistivity of (Ti<sub>1-x</sub>Nb<sub>x</sub>)C were dominated by the free valence electron density. The temperature-dependent bulk modulus, solid solution strengthening or softening, melting point temperature of (Ti<sub>1-x</sub>Nb<sub>x</sub>)C were dominated by the average localized valence electron density. Moreover, above the brittle-to-ductile (BTD) temperature, due to the fact that dislocation motion is mediated by the kink atom propagation, the hot hardness of (Ti<sub>1-x</sub>Nb<sub>x</sub>)C at high temperature was dominated by the localized valence electron density on the kink atoms, i.e. carbon atoms. The valence electron density based temperature-dependent properties of (Ti<sub>1-x</sub>Nb<sub>x</sub>)C, will pave the way towards the performance-oriented design of advanced ultra-high temperature materials, where the optimized mechanical, thermal and chemical properties can be rationally tailored at electronic scale.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"130 ","pages":"Article 107183"},"PeriodicalIF":4.2,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143817210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Role of binder phase on properties and holding ability of WC based diamond hardbanding matrix 结合剂相对WC基金刚石硬带基体性能和持合力的影响

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-09 DOI: 10.1016/j.ijrmhm.2025.107184

Ting Xue , Yu Wang , Kai Zhang , Liwei Sun

{"title":"Role of binder phase on properties and holding ability of WC based diamond hardbanding matrix","authors":"Ting Xue , Yu Wang , Kai Zhang , Liwei Sun","doi":"10.1016/j.ijrmhm.2025.107184","DOIUrl":"10.1016/j.ijrmhm.2025.107184","url":null,"abstract":"<div><div>Diamond reinforced WC based cemented carbide shows potential for hardbanding applications, with its performance hinging on the matrix's toughness, strength, and diamond holding ability. However, a comprehensive theoretical understanding of enhancing mechanical properties and controlling microstructure during pressureless infiltration remains limited. In this study, WC based cemented carbide was fabricated via pressureless infiltration, and the effects of Ni and B content variations on the bending strength and microstructural characteristics of the composites were systematically investigated. The results demonstrated that WC based cemented carbide with Cu-Zn-Mn infiltration exhibited lower bending strength compared to Cu-Mn-Ni. However, with the addition of 4 wt%Ni, its bending strength (833.4 MPa) increased by 10.3 %, reaching a level comparable to that of Cu-Mn-Ni (861.3 MPa). B was added to two distinct diamond composites formulations—60 wt%WC/40 wt%Cu-Mn-Ni and 56 wt%WC/40 wt%Cu-Zn-Mn/4 wt%Ni—with varying proportions. The diamond composites with Cu-Zn-Mn infiltration reached maximum bending strength at 0.5 wt%B content, achieving 714.2 MPa. At the same time, the diamond holding force coefficient reached 85.7 %, surpassing that of Cu-Mn-Ni composites (82.9 %). The study further identified that controlled diamond surface etching and interfacial boron carbide formation were the primary contributors to enhanced diamond holding ability.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"131 ","pages":"Article 107184"},"PeriodicalIF":4.2,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Microstructure and mechanical properties of carbide-reinforced Ta-W-based refractory medium-entropy alloys prepared by spark plasma sintering 火花等离子烧结碳化物增强ta - w基难熔中熵合金的组织和力学性能

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-09 DOI: 10.1016/j.ijrmhm.2025.107182

Z. Yang , H.T. He , J.X. Fang , T. Sun , B. Ma , H.T. Chen , T. Fu , J.T. Wei , M. Wen , P. He

{"title":"Microstructure and mechanical properties of carbide-reinforced Ta-W-based refractory medium-entropy alloys prepared by spark plasma sintering","authors":"Z. Yang , H.T. He , J.X. Fang , T. Sun , B. Ma , H.T. Chen , T. Fu , J.T. Wei , M. Wen , P. He","doi":"10.1016/j.ijrmhm.2025.107182","DOIUrl":"10.1016/j.ijrmhm.2025.107182","url":null,"abstract":"<div><div>The inversion of room-temperature compression plasticity and high-temperature strength in refractory high-entropy alloys poses a significant challenge for practical applications. In this study, a carbide-reinforced Ta-W-based refractory medium-entropy alloy was fabricated using spark plasma sintering. The alloy exhibits outstanding room-temperature compression plasticity and excellent high-temperature strength. Its microstructure consists of a BCC matrix with M<sub>2</sub>C carbides, with nano-scale HfO<sub>2</sub> particles dispersed within the BCC matrix. The M<sub>2</sub>C carbides are micron-sized, with visible metal matrix interlayers between them. Effective control over the oxide content, as well as the size and distribution of the oxides and carbides, is crucial for achieving superior plasticity in the alloy. At room temperature, the alloy achieves a fracture strain of 20 %, surpassing similar composition alloys produced by arc melting. Furthermore, the strengthening effect of carbides significantly enhances the high-temperature strength of the alloy, resulting in a yield strength of 352 MPa and an ultimate compressive strength of 426 MPa at 1750 °C. However, due to the specific composition and spatial characteristics of the carbides, its strength is slightly lower than that of arc-melted counterparts with similar compositions. This study successfully demonstrates the feasibility of fabricating carbide-reinforced refractory alloys that integrate high room-temperature compression plasticity with strong high-temperature performance. The proposed method offers a promising approach for the large-scale production of refractory alloy components, underscoring its potential for practical applications.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"130 ","pages":"Article 107182"},"PeriodicalIF":4.2,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143817211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Manufacture of gradient WC-co composite and its mechanical property evaluation 梯度WC-co复合材料的制备及其力学性能评价

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-08 DOI: 10.1016/j.ijrmhm.2025.107180

Huan Zhang , Qilin Wang , Peilei Jing , Ziyi Zhang , Yong Du

{"title":"Manufacture of gradient WC-co composite and its mechanical property evaluation","authors":"Huan Zhang , Qilin Wang , Peilei Jing , Ziyi Zhang , Yong Du","doi":"10.1016/j.ijrmhm.2025.107180","DOIUrl":"10.1016/j.ijrmhm.2025.107180","url":null,"abstract":"<div><div>In this study, two different compositions of WC-Co composite with gradient microstructure are designed and manufactured with the average cobalt content of 10 wt% and 8 wt% individually. Microstructure analysis and EDS test results confirmed the existence of a gradient distribution of cobalt content in the manufactured WC-Co composite. Mechanical properties including abrasive wear resistance, fracture toughness, bending strength, static compressive resistance, compressive fatigue resistance, and impact resistance were all conducted on both designed gradient WC-Co composite and homogenous WC-Co composite with the similar cobalt content and hardness. The mechanical test results demonstrated that the manufactured gradient WC-Co composite exhibited significant advantages in abrasive wear resistance, static compression resistance, compressive fatigue resistance, and impact toughness compared with homogenous WC-Co composite, while showing comparable performance in fracture toughness and bending strength. The relationships between the mechanical properties and microstructure of gradient WC-Co composite were studied for further potential performance improvement.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"131 ","pages":"Article 107180"},"PeriodicalIF":4.2,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Microstructure and mechanical properties of an intermetallic compound precipitation hardened steel bonded TiC-based ceramic 金属间化合物沉淀硬化钢结合 TiC 基陶瓷的微观结构和机械性能

IF 4.2 2区材料科学

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-04-08 DOI: 10.1016/j.ijrmhm.2025.107179

Qiankun Zhang , Guowei Zhong , Jiaoyan Liu , Minghan Li , Kexin Su , Zhi Meng , Yuxin He , Xinyue Zhao , Zhihui Qiu , Liang Wu , Yifeng Xiao , Yuehui He , Ying HuangFu

{"title":"Microstructure and mechanical properties of an intermetallic compound precipitation hardened steel bonded TiC-based ceramic","authors":"Qiankun Zhang , Guowei Zhong , Jiaoyan Liu , Minghan Li , Kexin Su , Zhi Meng , Yuxin He , Xinyue Zhao , Zhihui Qiu , Liang Wu , Yifeng Xiao , Yuehui He , Ying HuangFu","doi":"10.1016/j.ijrmhm.2025.107179","DOIUrl":"10.1016/j.ijrmhm.2025.107179","url":null,"abstract":"<div><div>The present study involved the design and fabrication of a TiC-based ceramic bound by Fe-25Co-15Mo precipitation hardened steel using SLPS and HIP procedures. The microstructure and mechanical properties of the ceramic with different sintering temperature and heat treatment process were studied. The results show that the addition of 30 % TiC particles can not only form a typical core-rim structure and inhibit the grain growth during sintering, but also enhance the peak hardness and tempering resistance of the Fe-Co-Mo steel. Compared to the previously studied FeCoMo-TiCN ceramic, the FeCoMo-TiC ceramic exhibits significantly higher impact toughness thanks to the formation of the core-rim structure, but lower hardness due to the decrease of Mo content for forming μ phase. Meanwhile, the μ phase can be regulated by heat treatment. This work enriches the knowledge about the ceramics bonded with IMC precipitation-hardened steels.</div></div>","PeriodicalId":14216,"journal":{"name":"International Journal of Refractory Metals & Hard Materials","volume":"131 ","pages":"Article 107179"},"PeriodicalIF":4.2,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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