Enhancement of elongation by retained austenite in intercritical annealed 0.4 C-1.5 Si-O. 8Mn Steel

O Matsumura, Y Sakuma, H Takechi - … of the Iron and Steel Institute of …, 1987 - jstage.jst.go.jp
An excellent combination of elongation over 30% and high strength about 100 kgf/mm2 is
achieved in processing of a 0.4 C-1.5 Si-0.8 Mn steel by intercritical annealing, rapid cooling …

Mechanical properties and retained austenite in intercritically heat-treated bainite-transformed steel and their variation with Si and Mn additions

Y Sakuma, O Matsumura, H Takechi - Metallurgical Transactions A, 1991 - Springer
Processing peculiarities and functions of alloying elements, such as Si and Mn, were studied
for improving formability of steel sheets with mixed microstructures. Annealing a sheet steel …

Comparison of microstructural characteristics and mechanical properties of shipbuilding steel plates fabricated by conventional rolling versus wire arc additive …

AV Nemani, M Ghaffari, A Nasiri - Additive Manufacturing, 2020 - Elsevier
This study aims to investigate the fabrication feasibility of a conventionally rolled low-carbon
low-alloy shipbuilding steel plate (EH36) by emerging wire arc additive manufacturing …

Influence of martensite-austenite (MA) on impact toughness of X80 line pipe steels

N Huda, ARH Midawi, J Gianetto, R Lazor… - Materials Science and …, 2016 - Elsevier
Varying cooling rates are used to investigate the influence of martensite-austenite (MA)
microconstituent on the mechanical properties of X80 linepipe steel after intercritical …

Effect of phosphorus on the formation of retained austenite and mechanical properties in Si-containing low-carbon steel sheet

HC Chen, H Era, M Shimizu - Metallurgical Transactions A, 1989 - Springer
The effect of phosphorus and silicon on the formation of retained austenite has been
investigated in a low-carbon steel cold rolled, intercritically annealed, and isothermally held …

Metallurgical design of ultra high-strength steels for gas pipelines

JY Koo, MJ Luton, NV Bangaru, RA Petkovic… - International Journal of …, 2004 - onepetro.org
This paper describes the metallurgical science used to develop a new, weldable, high-
strength linepipe (X120) for the transport of natural gas. A domain-based microstructure …

[PDF][PDF] Effect of cooling rate on hardness and microstructure of AISI 1020, AISI 1040 and AISI 1060 Steels

A Çalik - International journal of Physical sciences, 2009 - academicjournals.org
The object of the present work is to investigate the effect of cooling rate on microstructure
and mechanical properties of AISI 1020, AISI 1040 and AISI 1060 steels. The samples were …

Stress or strain induced martensitic and bainitic transformations during ausforming processes

A Eres-Castellanos, FG Caballero, C Garcia-Mateo - Acta Materialia, 2020 - Elsevier
The so-called ausforming treatment consists in plastically deforming a fully austenitized steel
below the recrystallization stop temperature, prior to either a martensitic or a bainitic …

Effects of heat treatment and alloying elements on the microstructures and mechanical properties of 0.15 wt pct C transformation-induced plasticity-aided cold-rolled …

SJ Kim, CG Lee, I Choi, S Lee - Metallurgical and Materials Transactions …, 2001 - Springer
The main emphasis of this study has been placed on understanding the effects of
manganese and silicon additions and of heat-treatment (intercritical annealing and …

Dual-phase steels

N Fonstein - Automotive steels, 2017 - Elsevier
This chapter contains detailed theoretical analysis and experimental data on the relationship
of structure parameters of dual-phase steels (volume fraction and hardness of martensite …