Axle heat damage caused by a wheel bearing fracture may lead to such a condition.
轮轴承断裂造成轴的热损伤可能会导致这类情况。
In this paper, the brittle fracture probability of weldments and the fracture toughness of heat affected zone (HAZ) were investigated according to the principle of the weakest link theory.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
结果表明，在连接杆焊缝附近的热影响区中存在大量针状马氏体组织，在低应力的作用下，导致材料发生脆性断裂。
Evaluation of fracture toughness of the alloy steel by the JR resistance curve shows the influence of heat treatment technology.
应用所得JR阻力曲线对合金钢的断裂韧度的评定表明了热处理工艺的影响。
The results show that the fracture may be due to improper heat treatment which leads to over hardness of the thread part and the joint of thread part and tooth part.
结果表明，断裂是由于热处理工艺不当、管子钳活动钳口齿部、螺纹部以及螺纹和齿部的过渡连接部分硬度过高引起；
The fracture rod has cracks in the microstructure of weld zone, intergranular cracks exists in the coarse grain zone of the weld heat affected zone.
进一步比较了断裂拉杆和已经产生裂纹的拉杆焊缝区的显微组织，发现在焊缝的热影响区粗晶区存在沿晶裂纹。
The results showed that fracture of axle pin was caused by improper heat treatment.
试验结果表明，造成轴销断裂的主要原因是热处理工艺控制不当。
The stable reverted austenite formed during heat treatment would be positive to the fracture toughness.
热处理形成的稳定的逆转变奥氏体对断裂韧度起到积极作用。
This subject aims to improve cotton hits the pole shovel using, enhances its service life, does the experimental study using the heat treatment technology and the fracture study knowledge.
本课题为改善棉花打杆铲的使用性能，提高其使用寿命，利用热处理技术和断口学的知识而作的试验研究。
The model takes into account the effect of the heat transfer in the wellbore and fractures during fracturing fluid injection on fracture geometry.
该模型考虑了注液过程中的井筒温度变化和裂缝中的热交换对裂缝几何形态的影响。
The problem of tensile fracture convexity could be solved by optimizing heat treatment technology and controlling grade of inclusion in raw materials.
通过调整热处理工艺与控制材料中夹杂物级别可以解决断口不平问题。
The properties of same material is also different at the condition of different heat treatment, and the fracture mechanism is very different.
同一种材料在不同热处理条件下，性能也不同，其断裂机理也有很大差别。
Some spring fracture cause is mainly instability of spring steel quality, and the arts and crafts on heat treatment of steel material matching spring product is necessary to be perfected.
个别弹簧出现折断质量问题，主要原因是弹簧钢材质不够稳定，材料与产品的热处理工艺匹配不够完善。
After developing heat treatment technique, the early fracture rate is reduced about 70%.
而改进热处理工艺后，早期断裂率下降近70%。
The results show that the axle has defects in heat treatment, which leads to micro crack in early stage of service life and the extended crack finally causes fatigue fracture.
结果表明，该轴热处理上存在的不合理之处，导致轴在服役早期出现微裂纹，部分微裂纹在工作应力的作用下疲劳扩展，最终产生疲劳断裂。
Objective: the purpose of this study was to learn the influence of heat treatment on fracture toughness of dental glass ceramic.
目的：探讨热处理过程对玻璃陶瓷断裂韧性的影响。
The melt index (MI), heat distorsion temperature (HDT), solvent resistance, thermal stability, mechanical properties and fracture morphologies were presented.
并对其熔融指数(MI)、热变形温度(HDT)、抗溶剂性、热稳定性、力学性能和破坏形态进行了研究。
Many round voids which result in stress concentration easily are found on SEM micrographs of fracture surface after heat-treatment, so the notched izod impact strength of the sample decreases.
由热处理后试样冲击断面的SEM照片可见水分挥发留下的空洞，这些空洞容易形成应力集中点，因而导致冲击韧性降低。
The influences of basic metal chemical composition, heat treatment conditions and welding parameters on the pressure vessel brittle fracture have been investigated.
研究了诸如化学成分、热处理条件和焊接因素对压力容器脆性破坏的影响。
The fracture toughness of the weld metal is lower than that of the base metal and the fracture toughness of heat-affected zone (HAZ) is intervenient between those of weld metal and base metal.
接头焊缝金属的断裂韧度显著低于母材，而热影响区断裂韧度则介于母材和焊缝金属之间。
Outbreak to: the disease in 1779 in Cairo, Egypt, Indonesia, Jakarta and the United States found in the Philadelphia and named for the joints, according to symptoms of heat and thermal fracture.
暴发地：该病于1779年在埃及开罗、印度尼西亚雅加达及美国费城发现，并据症状命名为关节热和骨折热。
It is inferred that low strength and bad ductility which is induced by abnormal heat treatment are the cause of brittle fracture happening for the gear shaft.
结果表明，热处理不当导致材料力学性能偏低偏脆是齿轮轴发生快速脆性断裂的主要原因。
The results show that after post-weld heat treatment(PWHT), the welds of X80 steel seriously embrittle, and the fracture morphology of impact specimens is cleavage.
结果表明，经过焊后热处理后焊缝出现严重的低温脆化，其冲击试样的断口为解理状形貌；
According to the theory of fluid mechanics in porous media, rock mechanics, heat transferring and fracture mechanics, the mathematic model is established to characterize 3d hydraulic fracturing.
根据渗流力学、岩石力学、传热学、断裂力学知识，建立了油水井三维水力压裂模拟计算的数学模型。
The fracture occurres at heat affected zone (HAZ) of most fatigue specimens. This is due to the structure inhomogeneity and the higher hydrogen content of materials at HAZ.
疲劳试样多数断于接头的热影响区，造成这一结果的主要原因是热影响区的组织不均匀性和氢含量相对较高。
The fracture occurres at heat affected zone (HAZ) of most fatigue specimens. This is due to the structure inhomogeneity and the higher hydrogen content of materials at HAZ.
疲劳试样多数断于接头的热影响区，造成这一结果的主要原因是热影响区的组织不均匀性和氢含量相对较高。
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