SLM Ti-6Al-4V-Zn合金的微观结构特性和材料故障机制
Yi-Jin Cheng1, Fei-Yi Hung1, Jun-Ren Zhao1
1Department of Materials Science and Engineering, National Cheng Kung University, Tainan 701, Taiwan.
Materials (Basel, Switzerland)
|December 9, 2023
概括
通过选择性激光化 (SLM) 将0.3%重量%的添加到Ti-6Al-4V合金中,可以显著提高强度和柔性. 真空热处理进一步优化了机械性能,使得SLM生产的Ti-6Al-4V-Zn适用于苛刻的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 添加剂制造 添加剂制造 添加剂制造
- 金工业是金工业的一个方面.
背景情况:
- 选择性激光化 (SLM) 是合金的关键增材制造技术.
- Ti-6Al-4V 是一种广泛使用的合金,但其性能可以进一步提高.
- 研究等合金元素的影响对于先进的材料开发至关重要.
研究的目的:
- 为了研究添加0.3%重量%到由SLM生产的Ti-6Al-4V合金的影响.
- 分析不同真空热处理工艺对微观结构和机械性能的影响.
- 评估Ti-6Al-4V-Zn在粒子侵蚀和耐腐蚀性能改善方面的潜力.
主要方法:
- 选择性激光化 (SLM) 用于制造Ti-6Al-4V-Zn合金.
- 对已建成和经过热处理的标本进行了微观结构分析.
- 评估了机械性能,包括拉力强度,柔性和冲击性.
- 在各种温度和冷却速度下进行了真空热处理.
主要成果:
- 添加0.3%重量%的提高了SLM Ti-6Al-4V的强度和可塑性.
- 经过800-4FC热处理的标本显示出最有利的整体机械性能.
- 稳定了β阶段,从而提高了粒子侵蚀性和腐蚀阻抗.
- 在Ti-6Al-4V-Zn合金中观察到更好的冲击性和稳定的高温拉伸性能.
结论:
- 添加是一种有效的策略,可以提高SLM生产的Ti-6Al-4V的机械性能.
- 优化真空热处理对于实现卓越性能至关重要.
- -6Al-4V-Zn合金在需要高强度,柔性和耐侵蚀和腐蚀的应用中表现有希望.
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