激光选区熔化成形TC4合金腐蚀行为
TQ150.1; 采用激光选区熔化成形技术(Selective Laser Melting,SLM)制备TC4钛合金试样,观察其显微组织,并用电化学腐蚀实验测试不同成形面以及粗糙度对T C4钛合金耐蚀性能的影响,并与传统轧制态进行对比.结果表明:成形方式、成形面和粗糙度均影响T C4钛合金的耐蚀性能.激光选区熔化成形技术制备的T C4钛合金纵截面由原始柱状β晶粒和与生长方向成±45°针状α′马氏体组成,横截面上的晶粒呈棋盘状.传统轧制态由片状α+β相以及等轴α相组成.传统轧制态的耐腐蚀性要强于SLM成形的试样,且SLM成形的纵截面的耐腐蚀性要强于横截面.表面粗糙度小的试样耐腐蚀性要强于表面粗糙...
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| Published in | 材料工程 Vol. 46; no. 8; pp. 127 - 133 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华中科技大学武汉光电国家实验室 ,武汉,430074
20.08.2018
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4381 |
| DOI | 10.11868/j.issn.1001-4381.2016.001430 |
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| Abstract | TQ150.1; 采用激光选区熔化成形技术(Selective Laser Melting,SLM)制备TC4钛合金试样,观察其显微组织,并用电化学腐蚀实验测试不同成形面以及粗糙度对T C4钛合金耐蚀性能的影响,并与传统轧制态进行对比.结果表明:成形方式、成形面和粗糙度均影响T C4钛合金的耐蚀性能.激光选区熔化成形技术制备的T C4钛合金纵截面由原始柱状β晶粒和与生长方向成±45°针状α′马氏体组成,横截面上的晶粒呈棋盘状.传统轧制态由片状α+β相以及等轴α相组成.传统轧制态的耐腐蚀性要强于SLM成形的试样,且SLM成形的纵截面的耐腐蚀性要强于横截面.表面粗糙度小的试样耐腐蚀性要强于表面粗糙度大的试样.激光选区熔化成形态试样腐蚀表面都出现明显的腐蚀坑,腐蚀形态均为点蚀. |
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| AbstractList | TQ150.1; 采用激光选区熔化成形技术(Selective Laser Melting,SLM)制备TC4钛合金试样,观察其显微组织,并用电化学腐蚀实验测试不同成形面以及粗糙度对T C4钛合金耐蚀性能的影响,并与传统轧制态进行对比.结果表明:成形方式、成形面和粗糙度均影响T C4钛合金的耐蚀性能.激光选区熔化成形技术制备的T C4钛合金纵截面由原始柱状β晶粒和与生长方向成±45°针状α′马氏体组成,横截面上的晶粒呈棋盘状.传统轧制态由片状α+β相以及等轴α相组成.传统轧制态的耐腐蚀性要强于SLM成形的试样,且SLM成形的纵截面的耐腐蚀性要强于横截面.表面粗糙度小的试样耐腐蚀性要强于表面粗糙度大的试样.激光选区熔化成形态试样腐蚀表面都出现明显的腐蚀坑,腐蚀形态均为点蚀. |
| Author | 杨慧慧 杨晶晶 喻寒琛 王泽敏 曾晓雁 |
| AuthorAffiliation | 华中科技大学武汉光电国家实验室 ,武汉,430074 |
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| Author_FL | WANG Ze-min YU Han-chen YANG Jing-jing YANG Hui-hui ZENG Xiao-yan |
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| DocumentTitle_FL | Corrosion Behaviour of Selective Laser Melted TC4 Alloy |
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| Keywords | 增材制造 极化曲线 钛合金 耐蚀性能 |
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| Snippet | TQ150.1; 采用激光选区熔化成形技术(Selective Laser Melting,SLM)制备TC4钛合金试样,观察其显微组织,并用电化学腐蚀实验测试不同成形面以及粗糙度对T C4钛合金耐蚀性能的... |
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| Title | 激光选区熔化成形TC4合金腐蚀行为 |
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