Results 71 to 80 of about 24,069 (204)

Study of the general mechanism of stress corrosion of aluminum alloys and development of techniques for its detection Quarterly report, 1 Dec. 1967 - 29 Feb. 1968 [PDF]

open access: yes
Stress corrosion of aluminum alloys and techniques for its ...
Bell, R. O.   +5 more
core   +2 more sources

Review and critical analysis: Rolling-element bearings for system life and reliability [PDF]

open access: yes
A ball and cylindrical roller bearing technical specification which incorporates the latest state-of-the-art advancements was prepared for the purpose of improving bearing reliability in U.S. Army aircraft. The current U.S.
Anderson, W. J.   +2 more
core   +1 more source

Development of Nickel-Titanium Graded Composition Components [PDF]

open access: yes, 2004
The potential of various manufacturing methods was evaluated for producing nickel-titanium graded composition material. The selected test case examined attachment brackets that join nickel-based metallic thermal protection systems to titanium-based ...
Baughman, J. M., Domack, M. S.
core   +1 more source

Improved Microstructure of 316LN Stainless Steel Performed by Ultrasonic Surface Rolling

open access: yesMetals
316LN stainless steel (316LN SS) with a gradient structure was produced by ultrasonic surface rolling processing (USRP). The surface quality of the 316LN SS specimen was improved significantly after the USRP.
Likun Jiang   +4 more
doaj   +1 more source

Evolution of microstructure and mechanical properties of aluminum alloy induced by turning and ultrasonic surface rolling process

open access: yesJournal of Materials Research and Technology
The microstructure and mechanical properties have a significant impact on the service performance of materials. This paper compared the microstructure and mechanical properties of 2024 aluminum alloy subjected to turning and ultrasonic surface rolling ...
Hongtao Chen   +7 more
doaj   +1 more source

Ultrasonic measurement of stress in 2219-T87 aluminum plate [PDF]

open access: yes
The basic relationship of ultrasonic signal velocity to directional subsurface stress is reviewed. Inappropriateness of dependency on a single correlative value of constant for a three dimensional stress field in metallic materials is discussed ...
Clotfelter, W. N., Risch, E. R.
core   +1 more source

Nonterrestrial utilization of materials: Automated space manufacturing facility [PDF]

open access: yes, 1982
Four areas related to the nonterrestrial use of materials are included: (1) material resources needed for feedstock in an orbital manufacturing facility, (2) required initial components of a nonterrestrial manufacturing facility, (3) growth and ...

core   +1 more source

Preparation and mechanical properties of LC cladding layer for friction parts

open access: yesFrontiers in Mechanical Engineering
Introduction: In the actual engineering operation, there are some components facing high frequency friction, which have high damage rate and poor direct replacement benefit.
Lingbo Jiang
doaj   +1 more source

Methodological peculiarities of defectoscopy of the sortament of the rollers of rolling mill after their restoration [PDF]

open access: yes, 2018
В работе представлены результаты разработки методики ультразвуковой диагностики состояния дефектности малыхпартий роликов прокатного стана разного сортамента, на разных стадиях их восстановления после разрушения рабочей поверхности в процессе ...
Безымянный, Юрий Георгиевич   +4 more
core  

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