接触疲劳
- 网络Contact fatigue;RCF
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用X射线衍射方法对接触疲劳过程中残余奥氏体转变的研究
Study on the Retained Austenite transformation during Contact Fatigue by X-rays Diffraction
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Co基合金涂层抗接触疲劳性能及其微观机理的研究
On the Contact Fatigue Resistance of the Cobalt Alloy Coating and Its Micromechanisms
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电刷镀纳米Al2O3/Ni复合镀层的组织与接触疲劳性能研究
Microstructure and Contact Fatigue Performance of n-Al_2O_3 / Ni Composite Coating by Electro-brush Plating
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结果表明,混合组织的接触疲劳寿命(No、Nf)高于单一回火索氏体组织。
Ex-perimental results show that contact fatigue life of mixed structure is better than that of single tem-pered sorbite .
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对45钢经盐浴硫氮碳共渗处理的大批试样,进行了滚子接触疲劳性能试验,绘出了P-S-N曲线,分析了接触疲劳断口形貌及破坏机理。
The rolling contact fatigue test for 45 steel samples is treated with salt-bath sulphonitrocarburizing . carried out . A P-S-N Plot is figured .
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FA传动摆线轮齿面接触疲劳强度可靠性分析
Reliability Analysis of Contact Fatigue Strength of Cycloid Gear in FA Reducer
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CNG发动机凸轮表面接触疲劳失效分析
Surface Contact Fatigue Failure Analysis on the Cam of CNG Engine
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本文叙述了一种能检测从裂纹萌生到剥落全过程的接触疲劳裂纹扩展的方法,建立了接触疲劳裂纹扩展曲线&裂纹长度A和循环次数N之间的关系。
This paper describes a method in which the whole process of the contact fatigue crack propagation can be detected from the crack incubation to the spalling .
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TiC薄膜对轴承钢表面滚动接触疲劳寿命和力学性能的影响
Effects of TiC films on the rolling contact fatigue life and mechanical properties of bearing steel
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航空轴承表面合成DLC薄膜的结构特征和滚动接触疲劳物理模型
Characteristics and Rolling Contact Fatigue Model of Diamond-like Carbon Films on Aerospace Bearing Surfaces
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新型Fe-Mn堆焊合金的抗接触疲劳性能的研究
On the contact fatigue resistance of a new Fe-Mn overlaying alloy
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n-Al2O3/Ni复合镀层的组织与接触疲劳行为
Microstructure and Contact Fatigue Behavior of n-Al_2O_3 / Ni Composite Plating
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某超硬不锈钢的接触疲劳P-S-N曲线的测定
Determination of Contact Fatigue P-S-N Curve of a Super-hard Stainless Steel
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结合影响两者分布的因素,建立了FA传动摆线轮齿面接触疲劳强度可靠性分析计算的数学模型。
Combining the factors of contact stresses and strength distributions , a mathematic model is established to analyze and calculate the cycloid gear reliability .
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托轮的接触疲劳强度设计锌合金完全可替代铜合金做4×60m回转窑托轮轴瓦材料。
Fatigue Design of Pads on the Rotary Kiln material of 4 × 60m rotating kiln .
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Cu-Pb滑动轴承合金接触疲劳破坏的研究
Contacting fatigue failure of Cu - 22 % Pb plain bearing alloy
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GCr15轴承钢的接触疲劳寿命影响因素
Research on effect of bearing steel contact fatigue life
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然而,现行的齿轮传动接触疲劳强度设计基于仅适用于光滑表面干接触的Hertz理论。
However , the current theory for fatigue strength design is based on Hertz theory which is only applicable to dry contact of smooth surfaces .
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研究了经不同热处理得到的C-Mn钢轨的滚动接触疲劳行为。
RCF ( Rolling Contact Fatigue ) behaviour of C-Mn steel rail with various heat treatment techniques has been studied .
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以接触疲劳为基准,对因接触应力产生点蚀的接触点处的最大正应力σ(max)和最大剪应力τ(max)的计算,提供了方法。
Based on contact fatigue , a method provided is for calculating σ _ ( max ) and τ _ ( max ) at points of contact where pitting of surface is likely to emerger .
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上钢五厂与SKF公司生产轴承钢的冶金质量和接触疲劳寿命的试验研究
Metallurgical quality and contact fatigue life of bearing steels made by Shanghai No. 5 steel works and SKF company
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在45钢齿轮齿面电沉积Ni-P-Co合金层,可以显著提高其接触疲劳强度。
This paper researched the contact fatigue strength of Ni-P-Co alloy coating on surface of gears made from 45 # steel .
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复合镀层在60N和140N载荷下均有较好的抗接触疲劳性能,其寿命达到百万次以上;
Under loads of 60N and 140N , the fatigue life of the coatings reached over 1000000 cycles .
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为了研究连续可变凸度(CVC)热轧机支承辊的接触疲劳机理,用有限元法分析了其表面滚滑动接触应力。
A 3-D finite element model of the rolling-sliding contact was used to calculate the contact stress to clarify the rolling contact fatigue mechanism in the back-up roll for continuously variable crown ( CVC ) hot rolling mills .
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采用Locati快速疲劳试验法测定了激光淬火后的齿面接触疲劳极限。并与齿面高频淬火及未经表面处理的调质齿轮作了对比性研究。
Contact fatigue strength limits of the gear tooth flanks after laser beam hardening were determined by Locati contact fatigue tests .
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因此,现行以Hertz理论为基础设计齿轮传动接触疲劳强度的做法有待完善。(2)啮入点是齿轮传动啮合线上的危险点,因为该处的油膜厚度最小且接触应力最大。
So , the contact fatigue strength design of gear transmission which based on Hertz theory need to improve . ( 2 ) The approach point is the danger point on meshing line , because the minimum oil film thickness and the maximum contact stress at this point .
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用45、42CrMo、40CrNi2Mo三种中碳钢经调质处理成相同中等硬度(HRC37±1)后,对其进行接触疲劳寿命试验。
The contact fatigue properties have been studied by using three kind of steels ( 45 , 42CrMo 、 40CrNi2Mo ) which were quenched and tempered to the same medium hardness .
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确认接触疲劳强度取决于接触应力和材料抗剪强度的综合作用。A(τ(yz)/HV)极大值位置与疲劳裂纹产生的位置一致。
The contact fatique strength is a function of both contact stress and shear strength of the material , and the position of the maximum of the function A (τ _ ( yz ) / HV ) is consistent with the place of the fatigue crack formed .
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研究了新型高温用渗碳轴承钢(10Cr4Ni4Mo4V)及高温用完全硬化轴承钢(Cr4Mo4V)的接触疲劳寿命及其组织。
The contact fatigue life and structure of a new carburizing bearing steel ( 10Cr4Ni4Mo4V ) and a through-hardening bearing steel ( Cr4Mo4V ), both are for high temperature use , are studied in this paper .
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结果表明:纳米颗粒复合刷镀层的硬度是不含纳米颗粒的快速镍刷镀层的1.5~1.7倍、耐磨性是1.6~2.5倍,抗接触疲劳寿命提高到106周次、可服役温度提高到400C;
The composite coatings showed hardness of 1.5 ~ 1.7 times that of the Ni coating without nanoparticles , and wear resistance of 1.6 ~ 2.5 times that of the Ni coating . Their contact fatigue life could reach 106 cycles , and service temperature could be up to 400C .