Steady-state creep rates of W-4Re-0.32HfC

被引：0

作者：

Park, JJ ^{[1
]}

Jacobson, DL ^{[1
]}

机构：

[1] Univ Calif Los Alamos Natl Lab, Weapon Component Technol Grp, Los Alamos, NM 87545 USA

来源：

RHENIUM AND RHENIUM ALLOYS | 1996年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A second-phase, particle-strengthened tungsten alloy, tungsten-4w/o rhenium-0.32w/o hafnium carbide (W-4Re-0.32HfC), was creep tested at temperature ranges of 2200-2400 K and stress ranges of 40-70 MPa in an ultrahigh vacuum. Steady-state creep rates for W-4Re-0.32HfC were compared with three second-phase strengthened creep models: the Ansell-Weertman, Lagneborg, and Roesler-Arzt models. The results showed that none of the three models predicted the steady-state creep rates of W-4Re-0.32HfC. However, the recovery creep model of Lagneborg qualitatively fit the steady-state creep rates of the alloy.

引用

页码：327 / 340

页数：14

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