In this study, a multi-element microalloyed GCr15Si1MoNbV bainitic bearing steel was designed by adding trace amounts of Nb and V. The bainite/martensite/retained austenite/undissolved carbide multiphase with short heat-treated cycle remarkable comprehensive mechanical properties prepared via low-temperature austempering, which compared traditional quenched tempered martensitic microstructure. ...

The quenching and partitioning (Q&P) process is an advanced method of heat treatment high-strength steels. resulting properties Q&P-processed steels are dictated by their microstructure which consists tempered martensite, fresh martensite retained austenite (RA). These phases arise from individual steps the Q&P-process. An important step stabilization austen-ite because RA raises du...

In this study, the correlation between HAZ microstructure and low temperature impact toughness of bainitic steel plates was investigated. The Steel with high carbon content finish cooling has a higher volume fraction large packet size granular bainite compared to temperature. room tensile properties two steels are similar, mostly because is composed acicular ferrite having fine grains. On other...

Abstract The microstructure of a low alloy medium carbon bainitic steel, austempered in the temperature range 275 °C to 450 has been investigated by detailed electron backscatter diffraction and variant pairing analysis. It is observed that tendency two distinct changes with varying temperature. At V1-V6 most frequent, whereas V1-V2 frequent at intermediate highest temperature, V1-V4 dominates....

In this work, tensile and yield stress and tensile and yield strain of oblique layer functionally graded steels produced by electroslag remelting were investigated. Functionally graded steels containing ferrite, austenite, bainite, and/or martensite layers may be fabricated via diffusion of alloying elements during the remelting stage. Tensile and yield stress and tensile and yield strain of fu...

A quantitative description of microstructure governs the characteristics material. Various heat and excellent treatments reveal micro-structures when material is prepared. Depending on microstructure, mechanical properties like hardness, ductility, strength, toughness, corrosion resistance, etc., also vary. Microstructures are characterized by morphological features volume fraction different ph...