Results 11 to 20 of about 4,400 (278)
In this paper, the influence of a surface ultrasonic rolling process on the surface integrity of TC4 titanium alloy and its influence on the fatigue properties were studied. By comparing and analyzing the surface roughness, microhardness, residual stress, microstructure, and fatigue fracture, the surface strengthening and modification mechanism of TC4 ...
Xiaotong Zhu +4 more
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Improving fatigue performance of surface-damaged Ti-6Al-4V alloy via ultrasonic surface rolling process [PDF]
Surface damages caused by markings, like laser marking and mechanical marking are detrimental to the fatigue performance of the components. To improve the fatigue performance of laser marked or mechanical marked Ti-6Al-4V alloy, ultrasonic surface ...
Ao Ni, Liu Daoxin, Zhang Xiaohua
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To study the effect of static pressure on the surface integrity of beryllium copper alloy during the ultrasonic rolling process, scanning electron microscope, stylus roughness tester, rockwell hardness tester, X-ray diffraction analyzer and ...
LI GuangHui, LIN YouXi, CAI JianGuo
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Effect of Surface Ultrasonic Rolling Treatment on Rolling Contact Fatigue Life of D2 Wheel Steel [PDF]
A GPM-30 fatigue machine was used to investigate the influence of surface ultrasonic rolling (SURT) on the rolling contact fatigue (RCF) life of D2 wheel steel. The experimental results present that the RCF life of the grinding processing sample is 4.1 × 105 cycles.
Pengtao Liu +4 more
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GRAY CORRELATION ANALYSIS OF SURFACE INTEGRITY OF ULTRASONIC-ASSISTED ROLLING GCR15 BEARING STEEL
In order to achieve reasonable control of the surface integrity of the workpiece assisted by ultrasonic-assisted rolling. Taking GCr15 bearing steel as the research object,the rotational speed,feed rate and static pressure were selected as the main ...
LEI Jun, SU YongXiang, XU QingJun
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Effect of Ultrasonic Rolling on Surface Properties of GCr15 Spherical Joint Bearing
Ultrasonic surface rolling process (USRP) has the potential to improve the surface mechanical properties of metal components with platelike or cylindrical macrostructure, but its effect on spherical surfaces remains to be studied in depth.
Hao Zhang +4 more
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Ultrasonic surface rolling process is a novel surface enhancement technique that significantly influences the surface integrity and fatigue performance of titanium alloys.
Xuming Zha +8 more
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Fatigue property is a key evaluation index for the service reliability of railway axle. In this work, the effect of ultrasonic surface rolling processing (USRP) on the surface characteristic and fatigue property was investigated in an EA4T axle steel ...
Xiaodi Wang +4 more
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STUDY ON PREDICTION MODEL OF SURFACE HARDNESS IN ULTRASOUND ROLLING EXTRUSION
Surface hardness is an important index for evaluating the quality of surface processing. Ultrasonic rolling and extrusion technology plays a very significant role in surface strengthening. Taking 42 CrMo bearing steel as the object,the range analysis was
WANG XiaoQiang +3 more
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The present paper presents a numerical approach to investigate the surface layer residual stress after ultrasonic surface rolling process(USRP),which is a severe plastic deformation process involving complex static extrusion and dynamic impact.According ...
ZHAO YunCai, WEN ChunBin
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