Determination of residual stresses by means of a digital speckle pattern interferometry and local heating combined technique

被引：0
|
作者：
Viotti, MR [1 ]
Kaufmann, GH [1 ]
Fancello, EA [1 ]
Gastón, A [1 ]
Möller, O [1 ]
机构：
[1] UNR, CONICET, Inst Fis Rosario, Rosario, Argentina
来源：
RIAO/OPTILAS 2004: 5TH IBEROAMERICAN MEETING ON OPTICS AND 8TH LATIN AMERICAN MEETING ON OPTICS, LASERS, AND THEIR APPLICATIONS, PTS 1-3: ICO REGIONAL MEETING | 2004年 / 5622卷
关键词：
digital speckle pattern interferometry; residual stresses; nondestructive evaluation; laser heating;
D O I：
10.1117/12.591609
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents a combined system based on DSPI and local heating, which allows the evaluation Of residual stresses. To determine the residual stress values, a finite element analysis (FEA) of the thermomechanical process is carried out. The feasibility of this approach is demonstrated by comparing the results obtained from measurements in a preloaded specimen and the stress values introduced in it.
引用
收藏
页码：574 / 579
页数：6
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