The thermal fatigue fracture belongs to cleavage fracture.
热疲劳断口具有穿晶解理特征。
The resistance to thermal fatigue on ductile iron is studied in detail.
对不同基体球铁的抗热疲劳性作了实验研究。
Thermal fatigue is one of the primary form of hot-work die steels failures.
热疲劳是热作模具的主要失效形式之一。
Use of copper material with high mechanical properties and thermal fatigue resistance.
采用紫铜材质，具有较高的机械性能和抗热抗疲劳性能。
The thermal fatigue resistance cuts down with the thermal cyclic upper temperature rising.
随热循环上限温度升高，其热疲劳抗力降低。
Thermal fatigue behavior of the piston is vital to the overall life-span of diesel engines.
活塞的热疲劳性能对柴油发动机的全寿命至关重要。
A modified grey cast iron with high carbon equivalent and with thermal fatigue resistant was designed.
设计了一种碳当量较高的抗热疲劳变质灰铸铁。
Results show that thermal fatigue behavior is associated with circle temperature and coating thickness.
结果表明，复合涂层的热疲劳行为与热循环上限温度、涂层厚度有关。
Low cyclic thermal fatigue life is an important parameter for evaluating the reliability of diesel engine.
热疲劳寿命是评价柴油机可靠性的一个主要指标。
The SEM observation shows that thermal fatigue is the major cause of the failure of the steel hard alloy die.
电镜观察显示热疲劳是硬质合金热挤压模具失效的主要原因。
The effect of graphite morphology and alloying elements on thermal fatigue resistance of cast iron was studied.
对石墨形态、合金元素等对铸铁抗热疲劳性能的影响进行了研究。
The thermal fatigue crack net is usually produced in the surfaces of components suffered thermal fatigue damage.
受热疲劳损伤的构件表面易产生热疲劳裂纹网。
Thermal fatigue. A type of fatigue failure wherein the cyclic stresses are introduced by fluctuating thermal stresses.
一种疲劳失效类型，循环应力是由于交变热应力引起的。
The mechanism of Fe-based alloy coating for thermal fatigue damage resistance of wheel cast steel was analyzed by SEM.
用扫描电镜分析研究了铁基合金涂层对车轮铸钢材料抗热疲劳损伤机制的影响。
The strength loss is greaser than the fracture toughness loss, because ofthe surface cracks caused. by thermal fatigue.
由于表面热疲劳裂纹的产生，使得材料强度性能损伤大于断裂韧性损伤。
Under act of the alternating thermal stress, thermal fatigue is one of theprimary invalidity forms of cast iron workpiece.
在热交变应力的作用下，热疲劳是铸铁工件的主要失效形式之一。
The thermal fatigue behavior of white cast iron with different quantity of deformation has been investigated in the paper.
本文对不同变形量白口铸铁的热疲劳行为进行了探讨。
In the piston thermal fatigue test, there are two different operational mode: temperature control mode and time control mode.
活塞的热疲劳试验有温度控制和时间控制两种工作模式。
The brake rims on drilling rig drawworks are subjected to heat load during string lowering and will end in thermal fatigue failure.
石油钻机绞车刹车鼓在下钻过程中，由于热负荷的作用会发生热疲劳破坏。
The paper has made a study with laboratory method on the effect of chemical plating of Ni on the thermal fatigue property of cast iron.
采用实验室手段探索了表面化学镀镍对提高铸铁热疲劳抗力的作用。
A non equilibrium statistical theory of thermal fatigue which connects microscopic mechanism with macroscopic properties is established.
用非平衡统计的概念和方法建立微观机理与宏观性能相结合的热疲劳理论。
In this paper a new criterion for thermal fatigue damage was proposed to evaluate the thermal fatigue performances of metallic materials.
本文提出一种新的热疲劳损伤判据，用以评估金属材料的热疲劳性能。
The results show that the plating conditions are the same during the thermal fatigue processes, but the thermal fatigue lives are different.
结果表明，不同热处理状态的镀层在热疲劳过程中行为相同，但热度劳寿命不同。
The effect of re modification and heat treatment on formation of thermal fatigue crack in low chromium wear-resistant cast iron was investigated.
研究了稀土变质及热处理对低铬耐磨铸铁热疲劳裂纹形成的影响。
The process of thermal fatigue crack propagation on the surface of steel bonded carbide GJW35 under the action of thermal stress has been observed.
观察了在热应力作用下gjw35钢结硬质合金表面热疲劳裂纹扩展过程。
Thermal fatigue crack forming process of steel bonded carbide containing 35% WC by the action of thermal stress has been observed time and time again.
对含有35 %WC的钢结硬质合金在热应力作用下热疲劳裂纹形成过程进行了反复观察。
The results show that the carbide breaks and the thermal fatigue resistance increase with increasing of quantity of deformation, when it is in 0 ~ 40%.
结果表明：当变形量为0 ~ 40 %时，随变形量的增加，其碳化物破碎程度增加；热疲劳抗力有所提高。
Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.
本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。
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。
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。
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