Hot forging behavior of nickel based superalloys under elevated temperatures

被引：14

作者：

Alniak, M. Oktay

Bedir, Fevzi ^{[1
]}

机构：

[1] Suleyman Demirel Univ, Dept Mech Engn, TR-32260 Isparta, Turkey

来源：

MATERIALS & DESIGN | 2010年 / 31卷 / 03期

关键词：

DEFORMATION; FLOW; SIZE;

D O I：

10.1016/j.matdes.2009.09.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermomechanical behaviors of superalloys at high temperatures and constant strain rates related dynamic microstructural changes are studied in this article by means of the commentaries of thermomechanic graphs and microdublex changes. Thermomechanic and microdynamic deformation characteristics based on test data are presented by a methodology for superalloys which are consolidated by hot isostatic pressure (HIP) operation. it is assumed that true stress which is caused deformation, changes depending on thermomechanical behaviors such as; strain, strain rate, absolute temperature, activation energy, diffusion mechanism, grain size, microdynamic behaviors and structural parameters of the material. In this study, a detailed investigation of thermomechanical and microdynamical behaviors of powder metallurgy (PM) Rene 95 is carried on by the attribution of experimental data. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1588 / 1592

页数：5

共 23 条

[1] Change in grain size and flow strength in P/M Rene 95 under isothermal forging conditions [J].