Results 31 to 40 of about 57,331 (267)

A qualitative study of multiphase steel microstructure developed in four different steel alloys [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy
In this work, quench and partitioning (Q&P) heat treatment was performed on four different steel alloys in order to obtain multiphase steels with a microstructure of ferrite, martensite, bainite, and retained austenite.
Khraisat W.
doaj   +1 more source

Microstructures and Properties of Auto-Tempering Ultra-High Strength Automotive Steel under Different Thermal-Processing Conditions

Metals, 2021
Automotive steels with ultra-high strength and low alloy content under different heating and cooling processes were investigated. It was shown that those processes exhibited a great influence on the performance of the investigated steels due to the ...
Han Jiang, Yanlin He, Li Lin, Rendong Liu, Yu Zhang, Weisen Zheng, Lin Li   +6 more
doaj   +1 more source

Additive manufacturing of strong and ductile Ti–6Al–4V by selective laser melting via in situ martensite decomposition

, 2015
Novel ultrafine lamellar (α + β) microstructures comprising ultrafine (∼200–300 nm) α-laths and retained β phases were created via promoting in situ decomposition of a near α′ martensitic structure in Ti–6Al–4V additively manufactured by selective laser ...
W. Xu, M. Brandt, S. Sun, J. Elambasseril, Q. Liu, K. Latham, K. Xia, M. Qian   +7 more
semanticscholar   +1 more source

Influence of martensite/austenite interfaces on bainite formation in low-alloy steels below M

Acta Materialia, 2020
Bainite formation in steels typically starts at austenite grain boundaries and continues through nucleation of bainite at newly formed bainitic ferrite/austenite interfaces.
A. M. Ravi, A. Navarro-López, J. Sietsma, M. Santofimia   +3 more
semanticscholar   +1 more source

In Situ Study of Phase Transformations during Non-Isothermal Tempering of Bainitic and Martensitic Microstructures

Metals, 2017
Phase transformations during non-isothermal tempering of bainitic or martensitic microstructures obtained after quenching of a medium-carbon low-alloy steel was studied.
S. Hesamodin Talebi, Hadi Ghasemi-Nanesa, Mohammad Jahazi, Haikouhi Melkonyan   +3 more
doaj   +1 more source

Structures and Mechanical Properties of Some Dual-Phase Steels with Low Manganese Content

Metals, 2022
In recent years, to reduce cars costs, research has been conducted on dual-phase steels with low manganese content (below 1.0%). This study investigated the influence of technological parameters of heat treatment (heating temperature and cooling medium ...
Constantin Dulucheanu, Traian Lucian Severin, Delia Aurora Cerlinca, Luminita Irimescu   +3 more
doaj   +1 more source

The Effect of Tempering on the Microstructure and Mechanical Properties of a Novel 0.4C Press-Hardening Steel

Applied Sciences, 2019
In this paper, the effects of different tempering temperatures on a recently developed ultrahigh-strength steel with 0.4 wt.% carbon content were studied.
Oskari Haiko, Antti Kaijalainen, Sakari Pallaspuro, Jaakko Hannula, David Porter, Tommi Liimatainen, Jukka Kömi   +6 more
doaj   +1 more source

Interface Characteristics and Properties of a High-Strength Corrosion-Resistant Stainless Steel Clad Rebar

Metals, 2020
This paper aims at manufacturing stainless steel clad (SSC) rebars by metal deposition and a hot rolling method as well as characterizing its interface features and mechanical properties.
Xuming Liu, Guanghong Feng, Xin Liu, Baoshan Wang, Hongliang Zhang, Jian Ma   +5 more
doaj   +1 more source

Effect of Carbon Content and Intercritical Annealing on Microstructure and Mechanical Tensile Properties in FeCMnSiCr TRIP-Assisted Steels

Metals, 2021
Four TRIP (Transformation Induced Plasticity) assisted steels, three TBF (TRIP Bainitic Ferrite) steels and one TPF (TRIP Polygonal Ferrite) steel, were manufactured from three different carbon contents (0.2, 0.3 and 0.4 wt.% C), to study the evolution ...
Enzo Tesser, Carlos Silva, Alfredo Artigas, Alberto Monsalve   +3 more
doaj   +1 more source

Crystallography and reorientation mechanism upon deformation in the martensite of an α-α’ Ti-6Al-4V dual-phase microstructure exhibiting high work-hardening rate

, 2020
The present study provides a fundamental understanding of the crystallography and the microscale behavior of the V-enriched and Al-depleted α’ martensite taking place during the microstructure formation and the deformation of the dual phase α + α ...
O. Dumas, L. Malet, B. Hary, F. Prima, S. Godet   +4 more
semanticscholar   +1 more source