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Metallurgical and Materials Transactions A

Metallurgical and Materials Transactions A OnlineFirst articles

17-06-2019 Open Access

Role of Steel Plate Thickness on the Residual Stress Formation and Cracking Behavior During Flame Cutting

Thick wear-resistant steel plates are utilized in challenging applications, which require a high hardness and toughness. However, utilization of the thick plates is problematic as they often have nonuniform mechanical properties along the …


The Microstructural Evolution and Wear of Weld Deposited M2 Steel Coating After Laser Spot Melting

This paper is devoted to studying the microstructural evolution and wear of the laser pulse remelted spot patterns on the weld deposited M2 steel coating. The energy of laser pulse was changed by changing the pulse parameters to obtain optimal …


Effects of Calcium on Strength and Microstructural Evolution of Extruded Alloys Based on Mg-3Al-1Zn-0.3Mn

A family of alloys based on the Mg-Al-Zn-Ca-Mn system (Mg-3Al-1Zn-1Ca-0.3Mn, Mg-3Al-1.5Zn-0.5Ca-0.3Mn, and Mg-3Al-1Ca-0.3Mn, wt pct) was developed for extrusion. Their mechanical properties were evaluated by tensile testing at room temperature …


Quasi-Seeding Mechanism in Lamellae Alignment of TiAl Alloys During Directional Solidification

A novel quasi-seeding mechanism, in which the seed material needs to meet the following two requirements, was developed to align the lamellar microstructures of TiAl alloys during directional solidification. First, by controlling solidification …

12-06-2019 | Communication

A Perspective on Strain Hardening Behavior of Materials Considering Mobile Dislocation Density and Activation Volume

In the current study, a criterion based on mobile dislocation density and activation volume is derived for understanding the macroscopic strain hardening behavior. It is observed that there is a sharp drop in strain hardening rate in materials …

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Metallurgical and Materials Transactions A focuses on the latest research in all aspects of physical metallurgy and materials science. It explores relationships among processing, structure, and properties of materials; publishes critically reviewed, original research of archival significance.

The journal address the main topics of alloy phases; transformations; transport phenomena; mechanical behavior; physical chemistry; environment; welding & joining; surface treatment; electronic, magnetic & optical material; solidification; materials processing; composite materials; biomaterials; and light metals. MMTA publishes Technical Publications, Communications, Symposia, and more.

Published with ASM International, The Materials Information Society and The Minerals, Metals & Materials Society (TMS)

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