The influence of heating temperature and cooling rate after free forging on the microstructure and the mechanical properties of aisi4140 steel

被引：0

作者：

Caloian, Valentina ^{[1
]}

Constantin, Nicolae ^{[2
]}

Vlad, Mădălina ^{[3
]}

机构：

[1] Quality Department, FORJA ROTEC SRL Buzău, Romania

[2] Science and Engineering Materials Faculty, Engineering and Management of Metallic Materials Production Department, University POLITEHNICA of Bucharest, Romania

[3] Production Department, GLASS CORP SA Buzău, Romania

来源：

UPB Scientific Bulletin, Series B: Chemistry and Materials Science | 2019年 / 81卷 / 01期

关键词：

Microstructure;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The modern technique of free forging imposes new requirements for the obtained semi-finished forgings, each operation requiring time, energy, human and financial resources. In order to evaluate this process, the importance of the application of primary heat treatments after free forging a part on a 1200 tf hydraulic press was put in evidence, the studied material being a heat trated AISI4140 steel. Both types of heat treatments (full annealing and normalizing), lead to hardness values and mechanical characteristics according to ASTM A29/A29M standard, meaning that their application is required after free forging or molding operations. © 2019, Politechnica University of Bucharest. All rights reserved.

引用

页码：174 / 182

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