表面工程是针对零件表面失效的形式、特征和机理，综合运用各种表面技术进行防护的工程。
Based on the knowledge of formation, characteristic, and mechanism of component's failure, surface engineering is extensively used to protect component surface by different of surface technology.
对H13热挤压齿轮模的表面失效进行了分析，为提高H13热挤压齿轮模的寿命对其进行了离子渗氮。
The surface invalidation of H13 hot extruding gear die is analyzed, ion nitriding is used in order to improve H13 hot extruding gear die life.
在高速和轻载工况条件下，打滑擦伤往往成为圆柱滚子轴承的主要失效形式，而表面粗糙度对轴承打滑损伤有很大的影响。
Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.
环氧胶接接头在水中破坏失效的原因主要是渗入到胶接层的水分子取代了胶粘剂分子在金属表面的粘附。
The reason of the failure of epoxy bonded joint in water was that the epoxy adhesive on the metal surface was substituted for water.
研究了在铜合金表面电镀纯铜层保护膜对铜合金引线框架氧化失效的影响。
The effects of surface electroplate pure copper on oxidation failure of lead frame copper alloys for IC package were investigated.
从外观上看橡胶件表面疏松、毛糙，失去弹性，从而使橡胶失效。
Rubber pieces from the exterior surface of osteoporosis, loss of flexibility, so that failure of rubber.
在多冲载荷作用下，零部件大都会在其接触表面出现宏观可见的变形，并引发各种缺陷，从而导致零件损伤失效。
Under the effect of this kind of load, there are microscopic deformations and various disfigurements appear on the contact surface of the parts, and then lead to damage and failure.
利用光学金相和电子探针等分析手段，对铅青铜轴套内表面出现凹坑及碎粒造成的磨损失效进行了分析。
The failure mechanism of lead bronze shaft sleeves with many pits on their internal surface is analyzed by optical metallograph and EPMA.
利用场发射扫描电镜(FESEM)及其附带能谱仪研究了失效空心阴极发射体的表面形貌、元素组成。
Surface morphology and composition analysis of the failure emitter of hollow cathode were characterized by using FESEM and EDS.
针对齿轮的结构特点、设计原则、失效形式及各种破损实例，指出了当前提高齿轮表面疲劳寿命的最有效方法。
Due to structure peculiarity, design principle, failure form and worn examples, pointed a better method to delay fatigue life of gear surface.
轧机用四列圆柱滚子轴承的主要失效形式及原因是滚道表面疲劳剥落、裂纹和保持架的过早损坏。
The main failure types of four row cylindrical roller bearings, used in rolling mills, are: fatigue flakings, cracks on the raceway surfaces, and the premature damage of cages.
设计的一种气体保护填料迷宫组合密封结构可以解决粉体介质密封因粉体颗粒进入密封装置引起密封表面磨损导致密封失效问题。
A gas protection seal for powder was designed to solve the problem that powder into seal makes seal surface wore, which results in seal failure.
针对3DK9开关晶体管在应用中出现表面漏电失效的具体案例进行分析研究。
Some failures of 3DK9 switch transistors with higher surface leakage current were analyzed.
由实验统计表明：在轴承的失效形式中，由于轴承辊子表面的缺陷而引起的裂纹、裂缝造成的轴承失效达65%。
Counts by the experiment indicated that, the bearing expiration as a result of the bearing surface flaw which in the bearing expiration form, which causes the crack, the crack creates to reach 65%.
实验统计表明：在轴承的失效形式中，由于钢球表面的缺陷而引起的裂纹、裂缝造成的轴承失效达65%。
Statistic data shows that 65% of bearing invalidation formats is induced by surface defects of steel balls.
在海洋等服役环境的作用下，船舶表面的防腐蚀涂层会受到侵蚀而逐渐失效，最终导致金属基体材料的腐蚀破坏。
In the Marine environment, the ship's anti-corrosion coating surface will be gradually eroded to failure, eventually leading to the metallic matrix material corrosion damage.
文章讨论了航空波导结构密封失效的故障机理，表面活性、胶层弹性模量、热膨胀、以及因环境变化产生应力等引起密封失效的有关因素。
Study on failure mechanism shown: the main cause is the deformation stress due to environment changes that resulted high leakage failure ratio during environment conditional tests.
经多次分析，确定主要原因是应力集中和表面质量差引起的疲劳失效。
Through analysis many times, the main reason is fatigue failure that is caused by stress concentration and surface quality.
去除塑料包封层，露出芯片表面，是DPA(破坏性物理分析)及FA(失效分析)的关键一步。
It is a crucial step for destructive physical analysis (DPA) and failure analysis (fa) to remove the plastic package for the die exposing.
用摩擦学的观点分析了冷拔顶头磨损失效过程，提出了冷拔顶头表面强化措施。
Based on analysis of the process of pipe cold-drawing plug's wear-caused failure with the Dointview of friction science, measures for surface strengthening of the said plug were made.
认为，油管失效是由于微电池腐蚀造成的，腐蚀先在钢管外表面能构成电池回路的珠光体晶粒中进行，然后逐渐扩展到周围的晶粒。
Micro cell corrosion originally carried out in pearlites on the external surface of the pipe where micro cell circuit could be formed, and gradually developed and spreaded.
表面非均匀磨损是重载车辆主离合器分离环常见的失效形式。
The nonuniform wear is a popular failure mode of separating ring of heavy vehicle clutch.
使用中的失效形式已不是疲劳剥落，大多是起始于表面损伤一类的故障。
The type of failure in operation is no longer the fatigue spall, but starts Witt the surface damage.
在多冲这种动载应力波作用下的零部件大都在多冲的接触表面出现或引发各种缺陷并导致早期损伤失效。
All kinds of defects appear in the surface of components which under the repeated impact load, and the surface defects make the earlier damage and failure.
磨损失效系指表面之间的相对滑动摩擦导致其工作表面金属不断磨损而产生的失效。
Wear failure refers to the relative sliding friction between the surfaces causes the surface of the metal continue to wear their work arising from the failure.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
对失效试品作表面物理分析以便分析其失效机理，验证寿命加速试验是否正常。
Analysis of the physical characteristics of failure samples' contact surface verify the failure mechanism and accelerated lifetime testing.
对失效试品作表面物理分析以便分析其失效机理，验证寿命加速试验是否正常。
Analysis of the physical characteristics of failure samples' contact surface verify the failure mechanism and accelerated lifetime testing.
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