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磨损损伤
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  “磨损损伤”译为未确定词的双语例句
     An Investigation on the Monocrystalline Silicon Surface Damage Caused by Slurry Erosion
     含纳米粒子溶液对单晶硅表面的冲蚀磨损损伤实验研究
短句来源
     The damage mechanism of titanium alloy was abrasive wear and contact fatigue during fretting wear.
     根据微动磨损区的形貌分析,钛合金微动磨损损伤机制以磨粒磨损和接触疲劳为主。
短句来源
     The measured vickers microhardness indicates a stronger working hardening of the fretted coating surface layer, playing an important role in preventing the axles from further fretting damage.
     微动磨损的车轴涂层表层及无涂层车轴表层的显微硬度分布测量结果对比分析表明,微动磨损塑性变形导致涂层表层显著加工硬化,对涂层抗微动磨损损伤产生重要作用
短句来源
     At last the mechanism of cavitation damage was discussed.
     对涂层的空蚀破坏机理做了分析,对沙粒磨损损伤特点做了初步探讨。
短句来源
     Under low impact cycles,the forms of damage are mainly plastic deformation and plastic accumulation;
     在低循环次数下,冲击磨损损伤形式主要为塑性变形及塑性堆积;
短句来源
  相似匹配句对
     Erosion Corrosion
     磨损腐蚀
短句来源
     Duodenal injuries
     十二指肠损伤
短句来源
     In this case, wear-fatigue is the dominating type of damage in these systems.
     在这种情况下,材料的磨损-疲劳复合损伤发生了。
短句来源
     FAILURE MECHANISMS OF THE ROLLING ELEMENT BEARING AND THE CONDITION MONITORING OF THE LARGE PARTICALS WEAR
     滚动轴承的损伤机理与大颗粒磨损金属的状态监测
短句来源
     Wear Properties of Polycrystalline Diamond Compact
     聚晶金刚石复合片的磨损规律
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  wear damage
A random sample of 71 inserts were obtained from our institution's retrieval collection and examined to assess the extent of wear, depth of wear, and wear damage modes.
      
Modes of wear damage (abrasion, burnishing, scratching, delamination, third body debris, surface deformation, and pitting) were then scored in each zone from 0 to 3 (0?=?0%, 1?=?0-10%, 2?=?10-50%, and 3?=?>amp;gt;50%).
      
Steel bearing plates appeared to have failed during service due to wear damage.
      
Mechanisms of surface and sub-surface wear damage in MgO single crystals were investigated by scratching with two sintered alumina sliders, having tip radii of 60 and 120μm, using a simple scratching apparatus in a controlled atmosphere.
      
This wear damage is explained by the dislocation interactions occurring due to the distribution of resolved shear stresses during sliding.
      
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In the present study, a new technique has been developed for manufacturing the grainular composite. The process of the manufacture is as follows: firstly, the SiC particles (3~6um) or graphite are put into melten aluminium alloy (Al-1.8Si-0.4Mg-0.36 Cu); then, the melten alloy containing the SiC or graphite grains is stired and quickly cooled to obtain the prefabncated subsance in the states of grains of 0.3~ 1.0mm diameter containing a few particles of SiC or graphite, or both; finally, the prefabricated substance...

In the present study, a new technique has been developed for manufacturing the grainular composite. The process of the manufacture is as follows: firstly, the SiC particles (3~6um) or graphite are put into melten aluminium alloy (Al-1.8Si-0.4Mg-0.36 Cu); then, the melten alloy containing the SiC or graphite grains is stired and quickly cooled to obtain the prefabncated subsance in the states of grains of 0.3~ 1.0mm diameter containing a few particles of SiC or graphite, or both; finally, the prefabricated substance of three kinds are, respectively, sifted and pressed at 620C and 20 MPa pressure for 2~ 5 minutes to form the grainular composite. The whole process is protected from the oxidization of aluminium by using nitrogen. The observation under optical microscope and SEM shows that the particles of SiC or graphite are distributed homogeneously in the alloy matrix and banded well with the matrix. The composite reinforced by SiC grains has the best wearing resistance but the composite reinforced by graphite has the worst wearing resistance. The wear mechanism operated in the abovementioned composites are mainly adhesive.

采用新的工艺方法制得三种不同的粒子增强复合材料,即在Al-1.8Si-0.4Mg-0.36Cu合金液中加入外加粒子,经搅拌喷氮气快速冷却获得颗粒为0.3~1.0mm的预制料,再经筛选、配料、预压块和热压(620℃压力为20MPa保压2~5分钟)制得含6%SiC、4%SiC_+2%石墨等三种铝基复合材料。这三种复合材料中外加粒子分布均匀,与基体结合良好,其磨损性能以加入6%SiC最佳,4%SiC+2%石墨次之,4%石墨最差。三种复合材料的磨损损伤的主要方式是粘着磨损。

The estimation method of fretting fatique limit are reviewed at first in this paper, then a new method of estimating fretting fatique limit is put forward. The differences of this method from others are that the estimation method of multiaxial fatigue strength is introduced into the estimation of fretting fatigue strength, and that the effect of wear damage is also considered.

对微动疲劳极限的估算方法进行了评述,并提出了一种新的微动疲劳极限估算方法;与其它方法的不同之处在于它把多轴疲劳强度估算方法引入微动疲劳强度的估算之中,同时考虑了磨损损伤的影响。

In this paper,the effect of contact pressure on the fretting fatigue strength is investigated.The results show that the fretting fatigue limits reduce with the increase of contact pressure.When the fretting fatigue limits reduce to certain extent,they keep constant.The reason is that as the contact pressure first increases,the fretting damage becomes more severe,so the fretting fatigue strength decreases.When the contact pres- sure exceeds a certain value,the surface damage is mitigated due to the decrease of...

In this paper,the effect of contact pressure on the fretting fatigue strength is investigated.The results show that the fretting fatigue limits reduce with the increase of contact pressure.When the fretting fatigue limits reduce to certain extent,they keep constant.The reason is that as the contact pressure first increases,the fretting damage becomes more severe,so the fretting fatigue strength decreases.When the contact pres- sure exceeds a certain value,the surface damage is mitigated due to the decrease of slip amplitude,while at this point,the maximum alternative stress is very low at the fatigue limit.So the stress intensity factor is smaller than the threshhold value.Hence,the fret- ting fatigue limits do not change much as the contact pressure increases.

研究了接触压力对微动疲劳强度的影响,结果表明,微动疲劳极限随接触压力的增加而下降,当下降到一定程度时即保持不变.这是由于起初随着接触压力增大,磨损损伤加剧,导致微动疲劳强度下降.当接触压力增加到一定程度后.由于滑移幅度的减小使得表面损伤减轻,而此时,微动疲劳极限处的最大交变应力很低,裂纹扩展的应力强度因子低于疲劳裂纹扩展的门槛值.因而.微动疲劳极限随着接触压力的增大变化不大.

 
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