THERMOMECHANICAL DESCRIPTION OF AISI4140 STEEL AT ELEVATED TEMPERATURES

被引：4

作者：

Abed, Fand ^{[1
]}

ElSayegh, Catrine ^{[2
]}

Abdul-Latif, Akrum ^{[3
,4
]}

机构：

[1] Amer Univ Sharjah, Dept Civil Engn, Shaijah 26666, U Arab Emirates

[2] Amer Univ Sharjah, Dept Mech Engn, Shaijah 26666, U Arab Emirates

[3] Supmeca, Lab Ingn Syst Mecan & Mat LISMMA, F-93407 St Ouen, France

[4] Univ Paris 08, F-93290 Tremblay En France, France

来源：

Proceedings of the TMS Middle East - Mediterranean Materials Congress on Energy and Infrastructure Systems (MEMA 2015) | 2015年

关键词：

Steel; AISI4140; Temperature; Strain rate; Flow stress; HIGH-STRAIN RATES; 42CRMO STEEL; AISI-4140; STEEL; MICROSTRUCTURAL EVOLUTION; FLOW BEHAVIOR; LOCALIZATIONS; STRESS; METALS;

D O I：

10.1002/9781119090427.ch52

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The recently increasing use of the high strength steel alloy AISI4140 in structural and marine applications necessitates the need to understand the micro-and macro-structural behavior of the alloy at different loading conditions. The behavior of most steel changes during deformation and the damage process may start in the form of micro-cracks and micro-voids leading, at its latest stage, to the development of macro-cracks, and consequently, to material failure. This paper presents experimental results of the flow stress, as well as SEM images, to describe the microstructure of the alloy at different levels of strain rates ( quasi-static) and temperatures. The main objective is to introduce a systematic understanding of the ductile failure mechanism due to accumulation of plastic deformation to enable proper structural design; and hence provide better serviceability.

引用

页码：491 / 499

页数：9

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