Results 21 to 30 of about 139,021 (263)

The Structural and Strength Changes Resulting from Modification of Heat Treatment of High Carbon Steel

Archives of Metallurgy and Materials, 2016
Pearlitic steels containing from some 0,8 to 0,95% C belong to the group of unalloyed steels intended for cold drawing or rolling. One of the problems discussed in literature is cracking of pearlitic steel subjected to plastic working, caused by high ...
Grygier D., Rutkowska-Gorczyca M., Jasiński R., Dudziński W.   +3 more
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Characterizations of precipitation behavior of Al-Mg-Si alloys under different heat treatments [PDF]

China Foundry, 2018
The solidification-precipitation behavior of Al-Mg-Si multicomponent alloys has long been an absorbing topic. Experiments were carried out to analyze the precipitation behaviors of Al-Mg-Si alloys under different heat treatments.
Hui Li , Jia-yi Wang, *Hai-tao Jiang
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The influence of cooling rate and heat treatment on microstructure and mechanical properties of Al-Si-Cu alloy castings made in gypsum molds

Metalurgija, 2021
The influence of cooling rate and heat treatment on the mechanical properties of Al-Si-Cu alloy castings made in gypsum molds were presented in the article.
L. Bernat
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Methodology for Numerical Verification of Tooling Strength in the Manufacturing Process of the 23 mm Caliber Projectile Driving Band [PDF]

Military Technology and Science
The article describes a methodology for performing structural strength analysis of tooling used in the driving band manufacturing process, based on the Finite Element Method (FEM).
Michał Grązka, Kamil Cieplak, Tomasz Majewski   +2 more
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Pressure-Relief Mechanism and Application of Large-Diameter Boreholes in Coal Seams with Rockburst Hazard

Geofluids, 2021
Drilling of large-diameter boreholes is regarded as an effective measure for rockburst prevention. By investigating the morphological characteristic and evolution of plastic zone in borehole surrounding rock, the pressure-relief mechanism of large ...
Zhen Hao, Guangzhong Sun, Haihang Wei, Jiayu Liu, Maolin Tian, Shuaiyi Liu, Yikun Xu   +6 more
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The Development and Numerical Analysis of the Conical Radiator Extrusion Process

Archives of Metallurgy and Materials, 2017
The article presents a newly developed method for single-operation extrusion of conical radiators. This is the author’s radiator manufacturing method being the subject of a patent application.
Michalczyk J.
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Study on Plastic Zone Distribution Characteristic of Coal and Rock Mass in Excavation from Crosscut Coal

Geofluids, 2020
Coal and gas outburst is a serious disaster in the mining, and crosscut coal is the most prone to cause the coal and gas outburst. In order to study the mechanism of outburst, this paper studied the stress distribution characteristics in front of the ...
Chengwu Li, Xiaoqian Zhang, Chengmin Wei, Yao Nie   +3 more
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The Plastic Surgery Workforce and Its Role in Low-income Countries

Plastic and Reconstructive Surgery, Global Open, 2021
Background:. Plastic surgery varies in scope, especially in different settings. This study aimed to quantify the plastic surgery workforce in low-income countries (LICs), understand commonly treated conditions by plastic surgeons working in these ...
Paul Truche, MD, MPH, Ellie Moeller, BS, Taylor Wurdeman, MD, MPH, Kathrin Zimmerman, BA, Norma Cruz, MD, Kiran Nakarmi, MS, MCh, Shankar M. Rai, MBBS, MS, Yegeremu Eado, MD, Laura Pompermaier, MD, PhD, John G. Meara, MD, MBA, D. Scott Corlew, MD, MPH   +10 more
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Influence of Preaging Treatment on Bake-Hardening Response and Electrochemical Corrosion Behavior of High Strength Al-Zn-Mg-Cu-Zr Alloy

Metals, 2019
The influence of preaging (PA) treatments on the bake hardening (BH) response of a AlZnMgCuZr aluminum alloy which served as automotive body structures were studied in this paper.
Hui Li, Xiao-Teng Liu, Jia-Yi Wang
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Seasonal Rise in Plastic Surgery during Ramadan: A Cross-sectional Survey

Plastic and Reconstructive Surgery, Global Open, 2022
Background:. While demand for plastic surgery continues to rise worldwide, there are no known seasonal differences in plastic surgery volume. This study aimed to evaluate whether Ramadan was associated with a measurable rise in demand for plastic surgery.
Adnan G. Gelidan, MD, FRCSC, FACS
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