Outstanding strain-hardening of a new metastable β-titanium alloy elaborated by in situ additive manufacturing L-PBF process

被引：8
|
作者：
Schaal, Hugo [1 ,2 ]
Castany, Philippe [1 ]
Gloriant, Thierry [1 ]
机构：
[1] Univ Rennes, INSA Rennes, CNRS, ISCR UMR 6226, F-35000 Rennes, France
[2] SLS France, 32 Blvd Haie Cognets, F-35136 St Jacques De La Lande, France
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2023年 / 875卷
关键词：
Additive manufacturing; Titanium alloy; Martensitic transformation; Strain-hardening; TITANIUM-ALLOY; MECHANICAL-BEHAVIOR; RESIDUAL-STRESS; SHAPE-MEMORY; MICROSTRUCTURE;
D O I：
10.1016/j.msea.2023.145117
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The Ti-22Zr-9Nb-2Sn (at%) metastable & beta;-titanium alloy was manufactured by in situ laser powder bed fusion process from elemental powders. Mechanical characterization via cyclic tensile tests revealed an exceptionally high strain-hardening. Such a strain-hardenability is induced by a massive stress-induced martensitic trans-formation from the & beta; to the & alpha;" phase.
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页数：5
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