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Influence of Galfan coating on tensile properties, microstructure and dislocation densities of CRS 1018 steel Einfluss der Galfan-Beschichtung auf die Zugfestigkeitseigenschaften, das Gefüge und die Versetzungsdichte von CRS 1018-Stahl Galfan涂层对CRS 1018钢的拉伸性能、微观结构和错位密度的影响
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-05-21 DOI: 10.1002/mawe.202400358
A. Hu, X. Wei, W. Shen, H. Hu, X. Nie
{"title":"Influence of Galfan coating on tensile properties, microstructure and dislocation densities of CRS 1018 steel\u0000 Einfluss der Galfan-Beschichtung auf die Zugfestigkeitseigenschaften, das Gefüge und die Versetzungsdichte von CRS 1018-Stahl","authors":"A. Hu,&nbsp;X. Wei,&nbsp;W. Shen,&nbsp;H. Hu,&nbsp;X. Nie","doi":"10.1002/mawe.202400358","DOIUrl":"https://doi.org/10.1002/mawe.202400358","url":null,"abstract":"<p>In the present work, zinc-6 % aluminium alloy, Galfan, is coated through the hot dipping technique on tensile bars made from cold rolled CRS 1018 steel to study the influence of Galfan coating on tensile properties of mild steel. The tensile results indicate that Galfan coating prepared by the hot dipping process reduces the ultimate tensile strength and yield strength of the substrate, whereas the elongation at failure is significantly increased. The microstructure of the as-rolled, hot-dipping coated, and other comparing specimens is observed by optical microscopy. Nano indentation is used to evaluate the variation of dislocation densities in the tested specimens. The analyses of the hardness-depth curves obtained from the nano indentation testing implies that the dislocation density of the coated steel might be lower than that of the uncoated specimen. The thermal energy received by the steel substrate during the heating stage of the hot-dipping process should be responsible for the recovery of the substrate, which leads to the reduction in dislocation densities and the arrangement of the dislocations into lower-energy configurations. As a result, the Galfan coating increases the elongation at failure considerably with a moderate decrease in strengths.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 5","pages":"705-714"},"PeriodicalIF":1.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 chromium addition on mechanical behaviour of Cu-Cr alloy for spot welding applications Einfluss der Chromzugabe auf das mechanische Verhalten einer Kupfer-Chrom-Legierung bei Punktschweißanwendungen 在点焊应用中添加铬对铜铬合金机械行为的影响
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-05-21 DOI: 10.1002/mawe.202400353
M. M. El-Sayed, A. Y. Shash, N. M. Abd Eltawab, M. A. Essam
{"title":"Effect of chromium addition on mechanical behaviour of Cu-Cr alloy for spot welding applications\u0000 Einfluss der Chromzugabe auf das mechanische Verhalten einer Kupfer-Chrom-Legierung bei Punktschweißanwendungen","authors":"M. M. El-Sayed,&nbsp;A. Y. Shash,&nbsp;N. M. Abd Eltawab,&nbsp;M. A. Essam","doi":"10.1002/mawe.202400353","DOIUrl":"https://doi.org/10.1002/mawe.202400353","url":null,"abstract":"<p>The as-cast copper-chromium (Cu−Cr) alloy has been manufactured through casting and compared with the cold forged and the heat treated ones. The heat treated forged Cu−Cr sample properties were 105 HV 1 and 257 MPa compared to those obtained in the case of as-cast pure copper whose properties are 92 HV 1 and 182.88 MPa. Accordingly, the average impact energy value obtained in the case heat treated forged Cu−Cr sample was higher than those obtained in other samples.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 5","pages":"726-733"},"PeriodicalIF":1.2,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 the manufacturing process on the fatigue strength of threads Einfluss des Herstellungsprozesses auf die Dauerfestigkeit von Gewinden 制造工艺对赫斯特隆工艺螺纹疲劳强度的影响
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-05-13 DOI: 10.1002/mawe.202500001
P. du Maire, J. Hoffmeister, M. Johlitz, A. Öchsner
{"title":"Influence of the manufacturing process on the fatigue strength of threads\u0000 Einfluss des Herstellungsprozesses auf die Dauerfestigkeit von Gewinden","authors":"P. du Maire,&nbsp;J. Hoffmeister,&nbsp;M. Johlitz,&nbsp;A. Öchsner","doi":"10.1002/mawe.202500001","DOIUrl":"https://doi.org/10.1002/mawe.202500001","url":null,"abstract":"<p>Sustainability in product development emphasizes the need for extended product lifetimes to minimize replacements and reduce resource consumption and environmental impact. This study investigates the impact of different thread manufacturing processes, cutting, rolling, and deep rolling, on the fatigue resistance of M12 threads fabricated from quenched and tempered chromium-molybdenum alloy steel. Fatigue tests conducted under cyclic tensile loading revealed that rolled threads exhibited superior performance, enduring higher stress levels without failure. Deep rolling significantly increased the fatigue strength compared to cutting, demonstrating its efficiency as a post-processing technique for enhancing durability. These findings highlight the sustainability and reliability of rolling as well as deep rolling processes and show that deep rolling is an effective post-processing technique for improving the durability of cut threads.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 5","pages":"638-645"},"PeriodicalIF":1.2,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mawe.202500001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The need for new infills in the application of 3D printing in the maritime sector Bedarf an neuen Füllmaterialien bei der Anwendung des 3D-Drucks im maritimen Sektor 3D打印在海事部门的应用需要新的填充物3D打印在海事部门的应用需要新的填充物
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-05-12 DOI: 10.1002/mawe.202400359
I. Vujović, J. Šoda, M. Miličević
{"title":"The need for new infills in the application of 3D printing in the maritime sector\u0000 Bedarf an neuen Füllmaterialien bei der Anwendung des 3D-Drucks im maritimen Sektor","authors":"I. Vujović,&nbsp;J. Šoda,&nbsp;M. Miličević","doi":"10.1002/mawe.202400359","DOIUrl":"https://doi.org/10.1002/mawe.202400359","url":null,"abstract":"<p>This paper deals with ideas for the use of 3D printing in spare parts management in the maritime industry. Although such ideas exist in the literature, there are still many issues that are not adequately addressed and researched. These include areas such as the influence of vibrations and waves on pressure, salt, humidity, etc. A numeric example is presented. Such problems can lead to faulty parts. Also, the speed of 3D printing is not yet acceptable for on-board applications. The paper presents the methodology for researching this issue. We also point out that all the required properties of filaments must be met in the complex maritime environment and that there is a need for new filaments for these applications.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 5","pages":"676-683"},"PeriodicalIF":1.2,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 lithium oxalate doping on the calcination strength of rutile titanium dioxide 草酸锂掺杂对金红石型二氧化钛煅烧强度的影响
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-04-29 DOI: 10.1002/mawe.202400089
J. X. Zou, T. T. Liao, Y. Q. Ren, D. Guo, Q. L. Zou
{"title":"Influence of lithium oxalate doping on the calcination strength of rutile titanium dioxide","authors":"J. X. Zou,&nbsp;T. T. Liao,&nbsp;Y. Q. Ren,&nbsp;D. Guo,&nbsp;Q. L. Zou","doi":"10.1002/mawe.202400089","DOIUrl":"https://doi.org/10.1002/mawe.202400089","url":null,"abstract":"<p>Rutile titanium dioxide has stronger density and weather resistance than anatase titanium dioxide, the overall performance is better, but the required calcination intensity is also higher. In order to reduce calcination temperature and calcination time, lithium oxalate doped metatitanic acid was used to prepare rutile titanium dioxide. Adding 0 %, 0.15 %, 0.3 %, 0.45 %, 0.6 %, 0.75 %, 0.9 % and 1.05 % lithium oxalate (calculated as lithia) to metatitanic acid (calculated as titanium dioxide) containing 0.10 % phosphorus pentoxide, 0.20 % potassium oxide and 0.2 % calcined crystal seed respectively, calcined at 800 °C, 850 °C, 875 °C and 900 °C respectively. The results show that when the doping amount of lithia is 0.3 %, the maximum temperature is 800 °C, and the calcination time is 9 h, the rutile crystal style content in titanium dioxide products can reach 99.6 %, the grain size and particle morphology meet the performance requirements of titanium dioxide (R), and the calcination strength is significantly lower than that of industrial production above 1000 °C and 10 h to 12 h calcination time. Remarkable results have been achieved in energy saving and product quality. In addition, the hypothesis that the A−R phase transition is caused by the increase of mixing entropy of titanium dioxide system is used to explain the phenomenon that lithium ions effectively promote the phase transition of rutile.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 4","pages":"495-502"},"PeriodicalIF":1.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Cover Picture: (Materialwiss. Werkstofftech. 4/2025) 封面图片：(Materialwiss。Werkstofftech . 4/2025)
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-04-29 DOI: 10.1002/mawe.202580401
{"title":"Cover Picture: (Materialwiss. Werkstofftech. 4/2025)","authors":"","doi":"10.1002/mawe.202580401","DOIUrl":"https://doi.org/10.1002/mawe.202580401","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 4","pages":"489"},"PeriodicalIF":1.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mawe.202580401","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impressum: Materialwiss. Werkstofftech. 4/2025 刊头:Materialwiss .Werkstofftech . 4/2025
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-04-29 DOI: 10.1002/mawe.202580421
{"title":"Impressum: Materialwiss. Werkstofftech. 4/2025","authors":"","doi":"10.1002/mawe.202580421","DOIUrl":"https://doi.org/10.1002/mawe.202580421","url":null,"abstract":"","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 4","pages":"490"},"PeriodicalIF":1.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mawe.202580421","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Materialwiss. Werkstofftech. 4/2025 Materialwiss .Werkstofftech . 4/2025
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-04-29 DOI: 10.1002/mawe.202580411
{"title":"Materialwiss. Werkstofftech. 4/2025","authors":"","doi":"10.1002/mawe.202580411","DOIUrl":"https://doi.org/10.1002/mawe.202580411","url":null,"abstract":"","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 4","pages":"491-494"},"PeriodicalIF":1.2,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 shear cutting parameters on the edge properties and the fatigue behavior of non-oriented electrical steel sheets 剪切参数对无取向电工钢板边缘性能和疲劳性能的影响
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-04-28 DOI: 10.1002/mawe.202400094
A. Gottwalt-Baruth, P. Kubaschinski, M. Waltz, U. Tetzlaff
{"title":"Influence of shear cutting parameters on the edge properties and the fatigue behavior of non-oriented electrical steel sheets","authors":"A. Gottwalt-Baruth,&nbsp;P. Kubaschinski,&nbsp;M. Waltz,&nbsp;U. Tetzlaff","doi":"10.1002/mawe.202400094","DOIUrl":"https://doi.org/10.1002/mawe.202400094","url":null,"abstract":"<p>The fatigue behavior of a fully processed, non-oriented electrical steel sheet is investigated for different shear cutting parameters. Therefore, three cutting clearances (15 μm, 35 μm and 50 μm) in combination with two different punching tool wear states (sharp and worn) are compared regarding their mechanical properties. For this purpose, surface measurements, nanoindentation tests and stress-controlled fatigue tests with a positive load ratio are performed for all six parameter sets. During shear cutting the material gets locally strain-hardened and a deformed surface with micro-notches is created. Compared to a polished reference condition, the fatigue strength of the shear-cut sheets is severely deteriorated. However, the intensity of deterioration varies depending on the shear cutting parameters. For small cutting clearances, the highest fatigue life is observed for a sharp cutting tool. In contrast, for medium and high cutting clearances, samples that are cut with a worn tool achieve higher fatigue lives. Surface characteristics in the fracture zone, which act as a failure-critical crack location, are considered as the main influencing factor.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 4","pages":"537-548"},"PeriodicalIF":1.2,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mawe.202400094","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding the galvanic corrosion of B30 copper-nickel alloy and AISI 304 stainless steel with the effect of fluoride ions and protons using the wire beam electrode 利用线束电极研究了氟离子和质子对B30铜镍合金和AISI 304不锈钢的电偶腐蚀
IF 1.2 4区 材料科学
Materialwissenschaft und Werkstofftechnik Pub Date : 2025-04-28 DOI: 10.1002/mawe.202400116
X.-M. Wang, Q.-D. Zhong, J. Yang, S.-J. Zhang
{"title":"Understanding the galvanic corrosion of B30 copper-nickel alloy and AISI 304 stainless steel with the effect of fluoride ions and protons using the wire beam electrode","authors":"X.-M. Wang,&nbsp;Q.-D. Zhong,&nbsp;J. Yang,&nbsp;S.-J. Zhang","doi":"10.1002/mawe.202400116","DOIUrl":"https://doi.org/10.1002/mawe.202400116","url":null,"abstract":"<p>The galvanic corrosion of AISI 304 stainless steel/B30 copper-nickel alloy (304SS/B30 Cu−Ni) was investigated in neutral and acidic solutions with and without fluoride ion (F<sup>−</sup>) by wire beam electrode techniques, macro-electrochemical methods and scanning electron microscope. The results show that the passivation film was eroded by the synergistic effect of the proton (H<sup>+</sup>) and fluoride ion on the coupled sample surfaces, leading to changes significantly in the surface electrochemical activity and corrosion rate. The surface morphology after being immersed for 48 h in different solutions was observed by scanning electron microscope. However, 304 stainless steel is used as an anode relative to B30 copper-nickel alloy, with a typical polarity reversal, when fluoride ion is added to an acidic solution with pH=2.0.</p>","PeriodicalId":18366,"journal":{"name":"Materialwissenschaft und Werkstofftechnik","volume":"56 4","pages":"503-516"},"PeriodicalIF":1.2,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
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