The integrated analysis of crack failure for L-B Composite Brake Beam Bar Flange Slab was made by means of SEM, microscope and chemical analysis.
采用残余应力和力学性能测定、化学成分分析、断口扫描及金相检验等方法对铁路货车用l - B型组合式制动梁撑杆翼板产生裂纹的原因进行了分析。
Through the comprehensive analysis, the result shows that crack failure reason is embrittlement of the austenite stainless steel at high temperature.
通过综合分析指出对流管发生失效的原因是奥氏体不锈钢长期在高温下工作引起的热脆化开裂。
Abstract: Through hardness testing, metallographic microscope analysis, and other means, the origination of crack failure of the aluminum alloy die casting die was analyzed.
摘要：通过硬度测试、金相组织观察，研究分析了铝合金压铸模具发生早期龟裂失效的原因。
The results reveal that the crack failure of the mould is mainly attributed to the electrical discharge machining, the improper heat treatment process and the impact of liquid metal.
结果表明，压铸模具的失效原因主要是：电加工导致的缺陷，材料热处理工艺不当，以及金属液的冲击等。
And given that maximum detectable flaw size should you have a PTS event would the reactor vessel fail? Or have a crack provocation such that the likelihood of failure would be much higher.
得到了最大的可检测裂纹尺寸，你们应该要有一个PTS的事件，反应堆，管道会失效吗，或者会有破裂的激发，像是失效的可能性会高得多。
If one of the answers in line with the conditions, it will be able to successfully crack the password, if there is no qualified answer, then crack the failure.
若其中的一个答案符合条件，就能够成功破解密码，如果都没有符合条件的答案，那么就破解失败。
Any crack in it may cause the structure failure.
其中的任何裂纹都将成为结构断裂失效的隐患。
DPF failure symptoms mainly include filter body blocking due to scorification, and filtering function failure due to burnout or hardening crack, as shown in Figure 7.
DPF失效形式主要包括烧融而堵塞过滤体、烧漏、烧裂而导致过滤功能失效如图7所示。
This will lead to roll failure such as fire crack, surface crack, and fatigue failure.
这将会导致轧辊疲劳产生热裂、轧辊表面破裂或是疲劳层的产生。
Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.
疲劳寿命的计算采用断裂力学方法，建立疲劳裂纹扩展模型和失效模式的极限状态方程。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
The fatigue crack growth curve from initial crack size till fatigue failure is simulated step by step.
循环续循环模拟计算出裂纹从初始长度一直到疲劳破坏的扩展曲线。
The results showed that failure morphology was of typical contact fatigue characteristics, and two modes of fatigue crack formation worked.
结果表明，失效形貌呈典型的接触疲劳特征，两种疲劳裂纹形成模式同时存在。
This paper gives a comprehensive failure analysis on the thermal fatigue crack of engine exhaust manifold and makes an improvement for materials and structures.
对某车型发动机排气歧管的热疲劳断裂问题进行综合失效分析，并从材料、结构方面提出改进意见。
The origination and propagation of fatigue crack in materials under variable load is the main style of failure.
疲劳裂纹的萌生和扩展是材料在变载荷作用下的主要失效形式。
The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed.
讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。
The fatigue crack extended under the applied stress and led to clutch fork crack and failure.
在工作应力作用下，裂纹不断扩展，最后导致拨叉完全开裂失效。
The primary failure model is fatigue fracture that is always resulted by the crack initiation and propagation.
疲劳断裂是气门弹簧失效的主要模式，它是疲劳裂纹萌生及其扩展的结果。
But this also leads to some problems, such as structure and durability failure in massive concrete structures, which were caused by the crack at early ages.
同时，大体积混凝土工程中因早期裂缝引起的结构失效和耐久性问题等也日益突出。
The result indicated that the failure cause of the stainless steel spiral pipe is the stress corrosion crack induced by Cl- ion.
结果表明，不锈钢盘管失效的原因是氯离子引起的应力腐蚀开裂所致。
Large area crack appearing on the surface of the aluminium alloy bakeware casting dies causes its early failure.
某厂铝合金烤盘压铸模因模面出现大面积龟裂而早期失效。
According to different failure mechanism and displaying part, the failure modes are divided into plate end debonding failure and intermediate crack induced interfacial debonding failure.
这种粘结破坏按形成机理及破坏部位的不同可分为板端剥离破坏和跨中受弯裂缝导致的粘结破坏。
Main girder and other components of overhead traveling crane are typical welded structures, the primary failure type of which is fatigue crack.
桥式起重机主梁等构件是典型的焊接结构，其主要失效形式是疲劳断裂。
Under given crack dimensions and load condition, to appraise to cracks defects with fracture appraisal program and obtained submarine pipeline failure appraisal diagram (FAD).
在给定裂纹尺寸与载荷条件下，利用断裂评定程序对一裂纹缺陷进行了评定，得到了海底管线失效评定曲线(FAD图)。
The experimental results show that both the failure modes and crack position of the tubes under axial compressive load changed when the end of the composite tubes are strengthened.
结果表明，复合材料圆管端部加强后，其轴压破坏模式和破坏位置都发生了改变。
Some in-site vibrating test and metal fracture analysis have been done to reveal that the crack of the U-shaped bolts is fatigue failure and some reference for designer is put forward.
结合桥梁—人行道系统的现场振动测试和螺栓试样断口分析结果，指出既有桥上发生的U型螺栓破断属于疲劳破坏，并提出了改进意见。
The results show that brittle fracture occurs in matrix and the P-WCMOD(crack mouth opening displacement) curve is linear till loading to failure.
实验结果表明：水泥基体发生脆性断裂，从加载到试件破坏P-WCMOD曲线一直呈线性；
The paper numerically demonstrates the pillar failure process-from micro crack to macro crack to unstable failure and studies the relations between limit load and statistical mean strength.
分析结果再现了矿柱从微破裂产生到宏观裂纹形成、最后产生失稳破坏的全过程，并研究了统计平均强度与极限承载力的关系。
It is very valuable that localize the micro-crack location in rock by AE location method to investigate the process of rock failure and predict the final failure position.
用声发射(AE)定位技术确定岩石内部微破裂的发生位置，研究岩石的破坏过程，对预测岩石最终的破坏位置具有重要的实用价值。
It is very valuable that localize the micro-crack location in rock by AE location method to investigate the process of rock failure and predict the final failure position.
用声发射(AE)定位技术确定岩石内部微破裂的发生位置，研究岩石的破坏过程，对预测岩石最终的破坏位置具有重要的实用价值。
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