Results 101 to 110 of about 3,863 (228)

Electrochemical Characterization of Az31 Magnesium Alloy Treated by Ultrasonic Impact Peening (Uip)

Communications, 2018
Electrochemical characteristics of AZ31 magnesium alloy after impacting by ultrasonic impact peening (UIP) were measured in order to evaluate its effect on corrosion resistance of mentioned alloy.
Daniel Kajanek, Branislav Hadzima, Filip Pastorek   +2 more
doaj   +1 more source

Applications of the Ultrasonic Serial Number Restoration Technique to Guns and Typical Stolen Articles [PDF]

An ultrasonic cavitation method for restoring obliterated serial numbers has been further explored by application to articles involved in police cases. The method was applied successfully to gun parts.
Young, S. G.
core   +1 more source

Modelling of residual stress relaxation: a review [PDF]

, 2009
Compressive residual stress, induced by mechanical surface treatment, may relax during component operation life, due to thermal or mechanical mechanism. Fatigue life prediction for the components which have residual stress will be misled and inaccurately
Ali, Aidy, Sahari, Barkawi, Zahari, Rizal, Zaroog, Omar Suliman   +3 more
core  

Performance-control-orientated hybrid metal additive manufacturing technologies: state of the art, challenges, and future trends

International Journal of Extreme Manufacturing
Metal additive manufacturing (AM) technologies have made significant progress in the basic theoretical field since their invention in the 1970s. However, performance instability during continuous processing, such as thermal history, residual stress ...
Jiming Lv, Yuchen Liang, Xiang Xu, Gang Xu, Hongmei Zhang, Haifei Lu, Kaiyu Luo, Jie Cai, Jinzhong Lu   +8 more
doaj   +1 more source

LCF Life of NiCr-Y Coated Disk Alloys After Shot Peening, Oxidation and Hot Corrosion [PDF]

In a prior companion study (Ref. 1), three different Ni-Cr coating compositions (29, 35.5, 45 wt% Cr) were applied at two thicknesses by Plasma Enhanced Magnetron Sputtering (PEMS) to two similar Ni-based disk alloys.
Draper, Susan L., Gabb, Timothy P., Locci, Ivan E., Miller, Robert A., Nesbitt, James A., Sudbrack, Chantal K.   +5 more
core   +1 more source

A study of the ultrasonic treatment effect on microstructure and mechanical properties of commercial purity titanium [PDF]

, 2016
This work presents a study of the ultrasonic treatment effect on microstructure and mechanical properties of ac-received and recrystallized commercial purity titanium specimens by means XRD, EBSD and TEM.
Казаченок, Марина Сергеевна, Козельская, А. И., Панин, Алексей Викторович, Хайруллин, Рустам Равильевич   +3 more
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Физико-механические свойства сплава АМг6 и стали 20ГЛ при комбинации электроискрового легирования и ультразвуковой ударной обработки [PDF]

, 2017
The influence of complex processing (electric spark alloying + ultrasonic impact treatment) on mechanical properties of AMG6 alloy and 20GL cast steel is studied.
Бялонович, Андрій Володимирович, Матохнюк, Л. Е., Мордюк, Б. Н., Прокопенко, Г. И.   +3 more
core  

Microstructural features controlling very high cycle fatigue of nitrided maraging steel [PDF]

, 2014
Maraging steels belong to the group of ultra-high strength materials and are often used in critical aerospace, automotive and tooling components. By applying a surface treatment such as nitriding, the fatigue and wear resistance can be improved.
Bliznuk, Vitaliy, Kestens, Leo, Petrov, Roumen, Verdiere, An   +3 more
core   +1 more source

Metallurgy: A compilation [PDF]

A technology utilization program is presented for the dissemination of information on technological developments which have potential utility outside the aerospace and nuclear communities.

core   +1 more source

Effect of surface nanocrystallization on microstructure, mechanical property and corrosion resistance of Mg and its alloys: A perspective review

Journal of Magnesium and Alloys
Magnesium (Mg) and its alloys, as the lowest density metallic structural alloys, have been widely employed across various industries, including electronic communication, automotive, aircraft, defense, and military.
Jie Liang, Ziyong Hou, Revathy Prasath Babu, Xin Xu, Kezhao Liu, Xiaoxu Huang   +5 more
doaj   +1 more source