Mechanical testing of ultra-high temperature alloys

被引：58

作者：

Völkl, R

Fischer, B

机构：

[1] Univ Bayreuth, D-95440 Bayreuth, Germany

[2] Univ Appl Sci, Jena, Germany

来源：

EXPERIMENTAL MECHANICS | 2004年 / 44卷 / 02期

关键词：

test facility; strain measurement; video extensometer; image analysis; high temperature; platinum; ODS;

D O I：

10.1177/0014485104042451

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Specially designed facilities for tensile testing of ultra-high temperature alloys are presented. Ohmic heating is chosen for easy access to the sample, fast attainable heating and cooling rates, simplicity in design and operation. Strain is measured with a video extensometer by means of the software SuperCreep. The algorithm for the strain measurements is described. Stability and accuracy of the test system were determined by testing an oxide dispersion strengthened Pt alloy. Performance of the video extensometer was checked by thermal expansion tests on pure Pt. Tensile tests of the oxide dispersion strengthened alloy Pt-10 wt% Rh DPH at 1600degreesC have proven the reliability of the equipment.

引用

页码：121 / 127

页数：7

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