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.

引用

页数：6

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