MEASUREMENT OF RESIDUAL STRESSES AND TOUGHNESS IN Ti-6Al-4V MATERIAL PRODUCED BY LASER BEAM MANUFACTURING

被引：1
|
作者：
Quenard, Olivier [1 ]
Dorival, Olivier [1 ,2 ]
Guy, Philippe [1 ]
Brethome, Kevin [3 ]
机构：
[1] Icam, 75 Av Grande Bretagne, F-31076 Toulouse, France
[2] Univ Toulouse, Inst Clement Ader, UMR CNRS 5312, INSA UPS ISAE Mines Albi, 3 Rue Caroline Aigle, F-31400 Toulouse, France
[3] Ctr Natl Etud Spatiales, 18 Av Edouard Belin, F-31401 Toulouse, France
来源：
2018 3RD INTERNATIONAL CONFERENCE ON MECHANICAL, MANUFACTURING, MODELING AND MECHATRONICS (IC4M 2018) - 2018 3RD INTERNATIONAL CONFERENCE ON DESIGN, ENGINEERING AND SCIENCE (ICDES 2018) | 2018年 / 167卷
关键词：
FRACTURE-TOUGHNESS; CRACK-PROPAGATION; MICROSTRUCTURE;
D O I：
10.1051/matecconf/201816702002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study deals with the measurement of residual stress by the hole drilling method in Ti-6Al-4V samples obtained by Laser Beam Manufacturing after stress relieving. Indeed, it was of high interest to check the efficiency of such a thermal post-treatment. The influence of the orientation of both the sample and the notch is evaluated from a toughness point of view, and the obtained values are compared to that of similar parts submitted to Hot Isostatic Pressing after stress relief treatment. A more isotropic behaviour were detected on the HIPed samples (with respect to that of the stress relieved ones) with a higher average value. This development is discussed from both residual stress and microstructural points of view.
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页数：6
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