Results 61 to 70 of about 876 (172)

Effect of low-temperature ausforming on hydrogen-induced delayed fracture of high-strength bolt steel

工程科学学报
High-strength bolts are widely used in construction machinery, steel structures, bridges, automobiles, and other industrial sectors owing to their high load-bearing capacity and connection efficiency.
Yixuan XU, Weijun HUI, Boyang FANG, Zhuo HUA, Yongjian ZHANG, Xiaoli ZHAO   +5 more
doaj   +1 more source

NASA five-ball fatigue tester: Over 20 years of research [PDF]

Studies were conducted to determine the effect on rolling-element fatigue life of contact angle, material hardness, chemistry, heat treatment and processing, lubricant type and chemistry, elastohydrodynamic film thickness, deformation and wear, vacuum ...
Anderson, W. J., Parker, R. J., Zaretsky, E. V.   +2 more
core   +1 more source

Influence of Ausforming on Hardenability of Steel 09MnNb for L485QS Sour Sevice Pipeline

Teshugang, 2019
To study the effect of ausforming on hardenability in steel 09MnNb used for L485QS sour service pipeline, different ausforming processes were performed and the subsequent hardenabilitis and microstructures were tested.
方剑, 黄彦, 唐应波
doaj  

Rolling-element bearings: A review of the state of the art [PDF]

Some of the research conducted which has brought rolling-element technology to its present state is discussed. Areas touched upon are material effects, processing variables, operating variables, design optimization, lubricant effects and lubrication ...
Anderson, W. J., Zaretsky, E. V.
core   +1 more source

Improving strength and ductility via ausforming combined with austempering through deformation-induced bainite refinement

Journal of Materials Research and Technology
The refinement of bainitic ferrite laths is one of the most critical ways to improve the combination of strength and ductility. However, low-temperature bainitic transformations in the microstructural evolution of carbide-free bainite in high-carbon ...
Jianhua Li, Peng Chen, Ning Xu, Dapeng Yang, Hongshuang Di, Hongliang Yi   +5 more
doaj   +1 more source

Fatigue lives at 600 F of 120 millimeter bore ball bearings of AISI M-50, AISI M-1, and WB-49 steels [PDF]

High temperature fatigue tests of steel ball bearings with synthetic paraffinic oil lubricant in low oxygen ...
Bamberger, E. N., Zaretsky, E. V.
core   +1 more source

Experimental X-ray Stress Analysis Procedures for Ultra High Strength Materials [PDF]

X-ray stress analysis procedures for accurate measurement of elastic strain in high strength ...
Barkley, W. J., III, Clough, W. R., Jackman, L. A., Reilly, F. P., III, Woehrle, H. R.   +4 more
core   +1 more source

Eliminating the Brittleness Constituent to Enhance Toughness of the High-Strength Steel Weld Heat-Affected Zone Using Electropulsing. [PDF]

Materials (Basel), 2022
Chen Z, Xiong Y, Li X, Li Z.
europepmc   +1 more source

Tempforming Strengthening of a Low-Alloy Steel. [PDF]

Materials (Basel), 2022
Dolzhenko A, Kaibyshev R, Belyakov A.
europepmc   +1 more source

Enhanced mechanical properties of 100Cr6 bearing steel through formation of nanobainite structure during ausforming treatment

Journal of Alloys and Metallurgical Systems
In this study, during an ausforming treatment, the specimens were austenitized at 1100°C and then exposed to rolling process at temperature of 300 °C by different degrees of deformation; 5, 10 and 15 %, and finally were undergone an austempering ...
Mehrbod Modarresi, Roohollah Rahmanifard
doaj   +1 more source