2011•Cailiao rechuli xuebaoRequires access

Microstructure and properties of a high strength tool steel after cryogenic treatment

Xiaochun Wu

Abstract

Microstructure and properties of a newly developed cold work die steel SDC55 after quenching and tempering,and then cryogenic treating were studied by means of OM,SEM,TEM,XRD,hardness measurement,impact and wear tests.The results show that hardness and wear resistance of the quenched and tempered SDC55 steel after cryogenic treatment in liquid nitrogen improve obviously while its toughness decreases slightly.The results of microstructure observation indicate that the transformation of retained austenite to martensite and precipitation of e-carbides in matensite are responsible for the improving of hardness and wear resistance of SDC55 steel after cryogenic treatment.

About this research paper

What this paper is about

Why it matters

OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Key concepts: Cryogenic treatment, Microstructure, Materials science, Tempering, Austenite, Metallurgy, Carbide, Martensite