结果表明，该弹簧断裂为腐蚀疲劳断裂。
The result indicated that the springs fail because of corrosion fatigue fracture.
扫描电镜断口分析确认，是腐蚀疲劳所致。
This is confirmed by SEM that it is caused by corrosion fatigue.
结果表明，该中间拉杆的破断属腐蚀疲劳失效。
The results showed that the intermediate tie rod was fractured by corrosion fatigue.
腐蚀疲劳是钢筋混凝土结构破坏的主要因素之一。
Corrosion fatigue is one of the main factors damaging the structures of reinforced concrete.
阳极溶解是挤压镁合金AZ80的腐蚀疲劳机制。
Stress-assisted dissolution (SAD) was the main mechanism of corrosion fatigue for extruded magnesium alloy AZ80.
海浪等随机载荷的作用可能使立管产生腐蚀疲劳破坏。
They may subject to corrosion fatigue damage owing to the effect of random load imposed upon by sea waves, etc.
结果表明，断裂失效的原因主要是应力腐蚀和腐蚀疲劳。
The results show that stress corrosion and corrosion fatigue are the main causes for the fracture failure.
研究了1420合金在不同腐蚀介质环境下的预腐蚀疲劳性能。
The fatigue performance of pre-corroded 1420 alloy in different corrosion environment was studied.
分析认为这种裂纹属于腐蚀疲劳的范围，具有应力腐蚀疲劳的特征。
It is considered that the said cracks belong to the corrosion fatigue range, featuring stress corrosion fatigue.
结果表明，该近似表达式适用于A型腐蚀疲劳裂纹扩展速率的计算。
The given calculating example shows that the expression has a better applicability for the crack propagation rate of type A.
要进行飞机典型构件的腐蚀疲劳试验和分析，就必须编制飞机载荷-环境谱。
To do Corrosion Fatigue tests and analyses of typical Components of aircraft, the Compilation of aircraft.
基于校核结果的进一步分析和测试表明，腐蚀疲劳是汽化器漏水故障的主要原因。
Further analysis based on the checking calculation and tests proved that corrosion fatigue is the main reason that causes leakage in the air flue.
影响高强度钢在水介质中的应力腐蚀和腐蚀疲劳裂缝萌生和扩展特性的因素甚多。
There are some factors which influence the characteristics of initiation and propagation of stress corrosion cracking and corrosion fatigue cracking in high-strength steel in a watery environment.
研究了不同腐蚀介质中及加载频率下x 6 0管线钢的腐蚀疲劳裂纹扩展特性。
The characteristics of corrosion fatigue crack propagation of X60 pipe steel at different loading frequencies and in different corrosion media were studied.
本文选用S135钻杆钢作为研究对象，进行钻杆钢的氧腐蚀和腐蚀疲劳行为研究。
The S135 drill pipe steel was selected as the research object in the paper; the oxygen corrosion and corrosion fatigue be.
基于校核结果的进一步计算分析和测试表明，腐蚀疲劳是汽化器漏水故障的主要原因。
Further check result on the basis of the heat-balance calculation and experiments proved that erosional fatigue is the main reason that causes the leakage in the evaporate cooler.
结果表明，断裂是由腐蚀疲劳引起的，阀体材质不舍格和焊接结构不合理是主蒸汽管失效的主要原因。
The results shown that the rupture is caused by corrosion fatigue. The main reasons of failure of main vapour tube are unqualified valve material and unreasonable welded construction.
混凝土腐蚀疲劳破坏是交变应力与腐蚀介质耦合作用的结果，对其研究目前国内外还仅出于理论探索阶段。
The Corrosive fatigue damage of concrete is the result of the compound action of alternating stress and corrosion medium, and the study about this has just been.
混凝土腐蚀疲劳破坏是腐蚀介质与交变荷载耦合作用的结果，对其研究目前国内外还仅处于理论探索阶段。
Corrosion fatigue damage of concrete is the coupling action result of corrosion medium and load fatigue, and the study on this has been in the stage of theory search.
水轮机叶片有较大的工作应力、热影响区的晶粒粗大以及水介质的腐蚀性是产生机械腐蚀疲劳汽蚀的重要原因。
The larger tension stress in the hydraulic turbine blades, grain coarsening in the heat-affected zone and the causticity of fluid medium are the major causes of cavitation erosion.
利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析，认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。
The fracture and the surface of a hip joint fractured invivo has been studied by SEM. It is concluded that the fracture was due to corrosion fatigue cracking by bending stress.
探讨了材料强度及螺纹强度钻柱失效的影响、复杂地质条件下套管及钻柱的腐蚀疲劳寿命、以及磨损对套管钻柱失效的影响；
The influences of lacking strength of materials and screw thread are treated in this paper, as well as corrosion questions on complicated project situation.
腐蚀斑点还会因不同的部件、斑点的位置和循环载荷状况，导致一些不同的疲劳裂纹。
Corrosion pitting also can lead to fatigue crack initiation depending on the component, the location of pitting, and cyclic loading conditions.
还会形成穿透型裂纹，造成镀层下本体金属的疲劳或应力腐蚀裂纹。
Through-thickness cracking also can lead to fatigue or stress corrosion cracking of the base metal beneath the plating.
因此，在飞机和其他结构的关键部位，采用冷胀孔技术是一种提高腐蚀环境下结构疲劳性能的行之有效的方法。
Therefore, it is an effectivemethod to improve corrosion fatigue property to use the hole cold-expansion technique in the aircraft and other structures.
MIM制造是理想，要求接近全密度、高冲击韧性、高断裂韧性、耐疲劳和耐腐蚀性。
MIM fabrication is ideal where near-full density, high impact toughness, fracture toughness, and fatigue and corrosion resistance are required.
事实上，我们今天遇到的大部分材料问题都是我们已经知道了很久的问题，像腐蚀、疲劳、各类失效。
In fact, most of the materials problems that dog us today are problems that we have known about for a long time: corrosion, fatigue, many different kinds of failure.
无论汽油机或柴油机气阀，都是在燃气腐蚀与疲劳应力的联合作用下过早地产生所谓“麻坑”而损坏。
Exhaust valves of both gasoline and Diesel engine are damaged by combine gas corrosion and fatigue stress, which caused the formation of pits.
在结构长期服役期间，疲劳、环境腐蚀和材料老化等因素的作用会引起结构损伤的累积。
Structures are always subjected to various adverse factors during its long-time service, such as fatigue, environmental corrosion, material aging, etc.
在结构长期服役期间，疲劳、环境腐蚀和材料老化等因素的作用会引起结构损伤的累积。
Structures are always subjected to various adverse factors during its long-time service, such as fatigue, environmental corrosion, material aging, etc.
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