Elevated temperature mechanical behavior of IN625 alloy processed by laser powder-bed fusion

Alena Kreitcberg; Vladimir Brailovski; Sylvain Turenne

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Elevated temperature mechanical behavior of IN625 alloy processed by laser powder-bed fusion

机译：激光粉末床熔合处理IN625合金的高温力学行为

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摘要

Inconel 625 alloy tensile specimens fabricated by laser powder-bed fusion and subjected to different post-processing treatments, such as stress relief annealing, low-temperature solution treatment and hot isostatic pressing, were tested at room temperature and at 760 ℃. These tests revealed significant embrittlement of the laser powder-bed fused specimens at 760 ℃. The specimens' microstructure and fracture surface were studied before and after tensile testing using scanning and transmission electron microscopy, and the results of that analysis were used to explain the observed phenomenon of elevated temperature embrittlement.

机译：在室温和760℃下对通过激光粉末床熔合制备的Inconel 625合金拉伸试样进行了应力释放退火，低温固溶处理和热等静压等不同的后处理处理。这些测试表明，在760℃时，激光粉末床熔合试样明显脆化。使用扫描和透射电子显微镜对拉伸试验前后的试样的显微组织和断裂表面进行了研究，并将分析结果解释了观察到的高温脆化现象。

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来源
《Materials Science and Engineering》 |2017年第17期|540-553|共14页
作者
Alena Kreitcberg; Vladimir Brailovski; Sylvain Turenne;
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作者单位

Ecole de technologie superieure, 110 Notre-Dame Street West, Montreal Quebec, Canada, H3C 1K3;

Ecole de technologie superieure, 110 Notre-Dame Street West, Montreal Quebec, Canada, H3C 1K3;

Ecole Polytechnique de Montreal 2900 boul. Edouard-Montpetit, Montreal Quebec, Canada, H3T 1J4;

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原文格式 PDF
正文语种 eng
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关键词
Nickel based superalloys; Additive manufacturing; Selective laser melting; Fracture analysis; Elevated-temperature embrittlement;

机译：镍基高温合金;添加剂制造;选择性激光熔化;断裂分析;高温脆化;

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专利

1. Temperature- and Time-Dependent Mechanical Behavior of Post-Treated IN625 Alloy Processed by Laser Powder Bed Fusion [J] . Kreitcberg Alena, Inaekyan Karine, Turenne Sylvain, Journal of Manufacturing and Materials Processing . 2019,第3期

机译：激光粉末床熔合处理的后处理IN625合金的温度和时间依赖性力学行为
2. Electropolishing and electropolishing-related allowances for IN625 alloy components fabricated by laser powder-bed fusion [J] . Urlea V., Brailovski V. The International Journal of Advanced Manufacturing Technology . 2017,第9a12期

机译：用于IN625合金组分的电抛光和电抛光相关余量由激光粉床融合制造
3. Microstructure and mechanical properties of a TiB_2-modified Al-Cu alloy processed by laser powder-bed fusion [J] . P. Mair, L. Kaserera, J. Braun, Materials Science and Engineering . 2021,第Jana2期

机译：激光粉床融合加工的Tib_2改性Al-Cu合金的微观结构和力学性能
4. THE BUILD ORIENTATION-DEPENDENT DUCTILITY OF IN625 ALLOY PROCESSED BY LASER POWDER-BED FUSION [C] . A. Kreitcberg, V. Brailovski, S. Turenne International Conference on Fracture . 2017

机译：激光粉末融合处理IN625合金的构建取向依赖性延性
5. Processing, microstructure and thermomechanical behavior of superelastic nickel-titanium thin films sputter-deposited at elevated temperatures. [D] . Hou, Li. 1998

机译：在高温下溅射沉积的超弹性镍钛薄膜的加工，微观结构和热机械行为。
6. Mechanical Behavior of AZ31B Mg Alloy Sheets under Monotonic and Cyclic Loadings at Room and Moderately Elevated Temperatures [O] . Ngoc-Trung Nguyen, Oh Suk Seo, Chung An Lee, 2014

机译：室温和中等温度下单调和循环载荷下AZ31B镁合金薄板的力学行为
7. Laser Powder Bed Fusion of NiTiHf High-Temperature Shape Memory Alloy: Effect of Process Parameters on the Thermomechanical Behavior [O] . Mohammadreza Nematollahi, Guher P. Toker, Keyvan Safaei, 2020

机译：NITIHF高温形状记忆合金激光粉床融合：工艺参数对热机械行为的影响

Elevated temperature mechanical behavior of IN625 alloy processed by laser powder-bed fusion

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