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超声冲击     
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  ultrasonic peening
     (3) Under the stress ratio R=0.5,the corresponding fatigue design S-N curve(attributed by hot spot stress,m=10) of low carbon steel tubular joints treated by ultrasonic peening before and under loading are lgN=28.0-10lgS and lgN=13.37-3lgS respectively.
     (3)当R=0.5,20钢承载前和承载超声冲击处理管接头的疲劳设计S-N曲线(热点应力表征)分别为lgN=28.0-10 lgS和lgN=13.37-3 lgS。
短句来源
     (2) Under the stress ratio R=0,the corresponding fatigue design S-N curve(attributed by hot spot stress,m=10) of low carbon steel and austenite stainless steel 1Cr18Ni9Ti tubular joints treated by ultrasonic peening before loading is lgN=30.78-10lgS.
     (2)当应力比R=0,20钢及奥氏体不锈钢1Cr18N i9Ti承载前超声冲击处理管接头的相应疲劳设计S-N曲线(热点应力表征)为lgN=30.78-10 lgS;
短句来源
     ② After treated by loading ultrasonic peening, the fatigue strength (stress ratio R=0.5) of 20 steel tubular T-joints is increased by 66%, and the fatigue life is prolonged by 3.8-4.0 times.
     ②在承载超声冲击处理条件下,20钢T型管接头的疲劳强度(应力比R=0.5)提高了66%,疲劳寿命延长了3.8~4.0倍。
短句来源
     Fatigue properties improvement of welded joints for LF21 aluminum alloy by ultrasonic peening method
     超声冲击法改善LF21铝合金焊接接头的疲劳性能
短句来源
     (2) When acted by constant amplitude load, contrasted with the specimens in as welded condition the fatigue strength of the specimens trea ted by ultrasonic peening is increased by about 84% and the fatigue life is prol onged by 3 5~27 times.
     (2 )在恒幅载荷作用下 ,超声冲击处理试件与焊态试件相比 ,疲劳强度提高 84 %左右 ,疲劳寿命延长 3 5~ 2 7倍 ;
短句来源
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  ultrasonic impact treatment
     Effect of ultrasonic impact treatment on residual stress of welded structure
     超声冲击对焊接结构残余应力的影响
短句来源
     The results shows that ultrasonic impact treatment can change tensile stress into pressed stress,the mean longitudinal residual stress before and after impact treatment of 45# steel and 22SiMn2TiB steel are 169? -63? 296?
     结果表明,超声冲击处理能够将焊接残余拉应力转变为压应力,45号钢和22SiMn2TiB钢处理前、后的纵向残余应力均值为169、-63、296、-49MPa,下降率分别为137%和117%。
短句来源
     The effects of ultrasonic impact treatment (UIT) on the residual stresses of welded rectangular steel (Q345) pillar were investigated.
     以Q345钢结构箱型柱为对象,研究了超声冲击工艺对焊接残余应力的影响。
短句来源
     Technology Measure for Improving Fatigue Life of Important Submarine Structure——Ultrasonic Impact Treatment
     提高潜艇重要构件疲劳寿命的工艺措施——超声冲击技术
短句来源
     Development of the Power for Ultrasonic Impact Treatment Based on Secondary Inversion Technology
     基于双逆变技术的超声冲击电源的研制
短句来源
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  ultrasonic impact
     Effect of ultrasonic impact treatment on residual stress of welded structure
     超声冲击对焊接结构残余应力的影响
短句来源
     The peening-strengthening experiment of dissimilar steel welding joint specimens with base metal 22SiMn2TiB and welding rod Cr20Ni10Mn6 was carried out with ultrasonic impact tool. The metal plastic deformation of impacted area was investigated.
     应用超声冲击装置对母材为22SiMn2TiB、焊接材料为Cr20Ni10Mn6的异种钢焊接接头进行冲击强化试验,研究了冲击区域金属的塑性变形情况。
短句来源
     Welded toes of 45# steel and 22SiMn2TiB steel were treated by ultrasonic impact, and residual stresses before and after impact treatment. were measured.
     对45号钢和22SiMn2TiB钢焊缝的焊趾处进行超声冲击处理,并测量处理前、后的残余应力。
短句来源
     The results shows that ultrasonic impact treatment can change tensile stress into pressed stress,the mean longitudinal residual stress before and after impact treatment of 45# steel and 22SiMn2TiB steel are 169? -63? 296?
     结果表明,超声冲击处理能够将焊接残余拉应力转变为压应力,45号钢和22SiMn2TiB钢处理前、后的纵向残余应力均值为169、-63、296、-49MPa,下降率分别为137%和117%。
短句来源
     The effects of ultrasonic impact treatment (UIT) on the residual stresses of welded rectangular steel (Q345) pillar were investigated.
     以Q345钢结构箱型柱为对象,研究了超声冲击工艺对焊接残余应力的影响。
短句来源
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  ultrasonic impacting
     Power Control in Ultrasonic Impacting Equipment
     超声冲击装置输出功率控制
短句来源
     The mechanical load may vary greatly during the ultrasonic impacting treatment process. In order to guarantee the treatment quality and efficiency, output power of vibration system must be in proportion to mechanical load.
     在超声冲击处理过程中负载变化极其剧烈,为了保证超声冲击处理质量和效率,要求振动系统输出到负载的机械功率与负载大小成比例。
短句来源
     The main reason of grain fining is crystal lattice deformation and dislocation reproduction,movement and rearrangement in impacted layer metal, which arises from induction of high frequency and large energy during ultrasonic impacting.
     研究表明,超声冲击时冲击针的高频大能量输入,引起冲击层金属晶格畸变,位错增殖、运动、重排,是晶粒细化的主要原因。
短句来源

 

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  ultrasonic peening
Advanced compact equipment for Ultrasonic Peening of materials, parts and welded elemetnts Figure 4.
      
Computerized Complex for Ultrasonic Peening of Parts and Welded Elements.
      
The higher the mechanical properties of treated mate rials the higher the efficiency of ultrasonic peening application.
      
  ultrasonic impact treatment
Study of the surface nanocrystallization induced by the esonix ultrasonic impact treatment on the near-surface of 2024-T351 alum
      
A nanocrystalline surface layer of Al alloy induced by the Esonix Ultrasonic Impact Treatment process was studied by advanced electron microscopes.
      
The work examines the effect of controlled shot peening (CSP), laser shock peening (LSP) and ultrasonic impact treatment (UIT) on the fatigue behavior of 2024-T351 aluminum alloy.
      
  ultrasonic impact
Ultrasonic impact on natural waters was applied to identify hydrochemical anomalies from the changes in the characteristics of sonoluminescence generated by ultrasonic cavitation in a flowing water sample.
      
Fe-Ni-C alloys after the ultrasonic impact surface treatment
      
Fe-Ni-C Alloys After the Ultrasonic Impact Surface Treatment
      
Study of the surface nanocrystallization induced by the esonix ultrasonic impact treatment on the near-surface of 2024-T351 alum
      
A nanocrystalline surface layer of Al alloy induced by the Esonix Ultrasonic Impact Treatment process was studied by advanced electron microscopes.
      
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