Jiapeng Wu , Kun Yu , Yifeng Wang , Zhijun Li , Wenzhu Zhang , Mingqiang Xie , Lin Kong
{"title":"真空钎焊诱导AgCuTi/Cu体系溶解机理","authors":"Jiapeng Wu , Kun Yu , Yifeng Wang , Zhijun Li , Wenzhu Zhang , Mingqiang Xie , Lin Kong","doi":"10.1016/j.matlet.2025.138684","DOIUrl":null,"url":null,"abstract":"<div><div>This study investigates the time–temperature-dependent dissolutive behavior of copper using Ag-26.5Cu-1.5Ti (wt%) alloy powder. Prolonged thermal exposure under vacuum conditions causes significant Cu dissolution. Microstructural stratification reveals two distinct zones: Zone I dominated by Cu(s,s), Ag-Cu eutectic phase and Zone II containing Cu(s,s), Ag-Cu eutectic phase, Ti<sub>2</sub>Cu and TiCu. Analysis demonstrates near-equilibrium dissolution attainment within 30 min at 880 °C. A four-stage dissolutive mechanism is proposed.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"395 ","pages":"Article 138684"},"PeriodicalIF":2.7000,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Vacuum brazing-induced dissolutive mechanisms in AgCuTi/Cu system\",\"authors\":\"Jiapeng Wu , Kun Yu , Yifeng Wang , Zhijun Li , Wenzhu Zhang , Mingqiang Xie , Lin Kong\",\"doi\":\"10.1016/j.matlet.2025.138684\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This study investigates the time–temperature-dependent dissolutive behavior of copper using Ag-26.5Cu-1.5Ti (wt%) alloy powder. Prolonged thermal exposure under vacuum conditions causes significant Cu dissolution. Microstructural stratification reveals two distinct zones: Zone I dominated by Cu(s,s), Ag-Cu eutectic phase and Zone II containing Cu(s,s), Ag-Cu eutectic phase, Ti<sub>2</sub>Cu and TiCu. Analysis demonstrates near-equilibrium dissolution attainment within 30 min at 880 °C. A four-stage dissolutive mechanism is proposed.</div></div>\",\"PeriodicalId\":384,\"journal\":{\"name\":\"Materials Letters\",\"volume\":\"395 \",\"pages\":\"Article 138684\"},\"PeriodicalIF\":2.7000,\"publicationDate\":\"2025-05-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Letters\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0167577X2500713X\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Letters","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0167577X2500713X","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Vacuum brazing-induced dissolutive mechanisms in AgCuTi/Cu system
This study investigates the time–temperature-dependent dissolutive behavior of copper using Ag-26.5Cu-1.5Ti (wt%) alloy powder. Prolonged thermal exposure under vacuum conditions causes significant Cu dissolution. Microstructural stratification reveals two distinct zones: Zone I dominated by Cu(s,s), Ag-Cu eutectic phase and Zone II containing Cu(s,s), Ag-Cu eutectic phase, Ti2Cu and TiCu. Analysis demonstrates near-equilibrium dissolution attainment within 30 min at 880 °C. A four-stage dissolutive mechanism is proposed.
期刊介绍:
Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials.
Contributions include, but are not limited to, a variety of topics such as:
• Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors
• Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart
• Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction
• Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots.
• Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing.
• Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic
• Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive