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Book ChapterDOI

2.8 Heat Treatment of Commercial Steels for Engineering Applications

TLDR
In this article, the heat treatment of some important commercial steels is discussed and the physical metallurgical principles underlying the design of the concerned heat-treatment cycles are also discussed to enable the readers to gain a deeper understanding about the subject.
Abstract
This chapter discusses the heat treatment of some important commercial steels. It has enumerated the heat-treatment practices of the steels of commercial importance like low-carbon lean-alloy steels, medium-carbon high-alloy steels, structural steels, and ultra high-strength maraging steel. Elaborate discussion is made on the different varieties of stainless steels. Moreover the criticality of heat treatment of high-manganese austenitic steel is highlighted. Special care is given to analyze the practical problems of heat treating the above commercial steels in industrial situation. Besides discussion on the heat-treatment practices of the aforesaid steels, physical metallurgical principles underlying the design of the concerned heat-treatment cycles are also discussed to enable the readers to gain a deeper understanding about the subject.

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Citations
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Journal ArticleDOI

Fatigue characteristics of steels manufactured by selective laser melting

TL;DR: In this article, the authors describe the studies carried out on the fatigue properties of diverse types of steel manufactured by selective laser melting, and review the parameters which are recognized to be effective on fatigue behavior of these steels.
Journal ArticleDOI

Effect of the parametric optimization and heat-treatment on the 18Ni-300 maraging steel microstructural properties manufactured by directed energy deposition

TL;DR: In this paper, an experimental design was based on a 23-full factorial design used to determine the optimum processing windows, using a constant powder feed rate and aging heat treatments on structural and mechanical properties (i.e., macrohardness).
Journal ArticleDOI

Texture development during austempering process of an AISI 4130 steel

TL;DR: In this paper, microstructural development and mechanical properties of an automotive grade AISI 4130 steel were explored through various heat treatment routes in order to evaluate the effect of austenitization temperature and time on the mechanical properties.
Proceedings ArticleDOI

Study on the effect of solution treatment soaking time on structure development of modified FeNiMn steels

TL;DR: In this paper, a modified ASTM A128 for jaw crusher plate application was developed based on laterite by adding nickel and molybdenum while reducing manganese in the alloys.
Journal ArticleDOI

Influence of Segregation on Microstructure and Hot Workability of Grade 250 Maraging Steel

TL;DR: In this article, the optimal process parameters of grade 250 maraging steel for hot forging were investigated with a process map and microstructure analysis, where the flow stress-strain curves were calibrated by Bayesian artificial neural network (ANN) modeling to compensate the heat generated by dynamic deformation.
References
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Journal ArticleDOI

An investigation of the plastic fracture of AISI 4340 and 18 Nickel-200 grade maraging steels

TL;DR: In this paper, the authors studied the mechanisms of plastic fracture in high-purity and commercial 18 Ni, 200 grade maraging steels and quenched and tempered AISI 4340 steels.
Journal ArticleDOI

Sigma phase precipitation in duplex stainless steel 2205

TL;DR: Sigma phase precipitation is known to embrittle duplex stainless steel as mentioned in this paper, therefore, heat treatment and welding must be performed carefully. Nucleation and diffusional growth of sigma phase in th...
Journal ArticleDOI

The effect of heat treatment on mechanical properties and corrosion behavior of AISI420 martensitic stainless steel

TL;DR: In this article, the effects of tempering temperature and time on the microstructure, mechanical and corrosion properties of AISI420 have been studied and the experimental results showed that the austeitizing temperature significantly affects mechanical properties.
Journal ArticleDOI

Precipitation mechanism and mechanical properties of an ultra-high strength steel hardened by nanoscale NiAl and Cu particles

TL;DR: In this paper, the authors report on the alloy design strategies, precipitation mechanism and mechanical properties of an ultra-high strength steel hardened by co-precipitation of nanoscale NiAl and Cu particles.
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