热疲劳抗力对基体的显微组织不敏感。
随热循环上限温度升高，其热疲劳抗力降低。
The thermal fatigue resistance cuts down with the thermal cyclic upper temperature rising.
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。
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.
导辊是高速线材轧机上的主要消耗工具，要求高耐磨性、抗粘钢性和热疲劳抗力。
In high speed wire-rod mill, guide roller is the main consumption tool, excellent wear resistance, adhering steel resistance and hot fatigue resistance are required.
结果表明，显微组织、抗氧化、抗生长及热疲劳抗力等性能，均有显著的改善和提高。
The results indicated that the microstructure, mechanical properties, oxidation resistance, growth resistance and thermal fatigue resistance were improved obviously.
H13 热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。
With laser cladding Co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased.
热疲劳抗力主要取决于材料的高温屈服强度，在强度、塑性及循环热稳定性取得适当配合时最大。
The thermal fatigue resistance mainly depends on the high temperature yield strength and will become maximum, if the strength, plasticity and cycle thermal stability are in an adequate combination.
加入0.3 ？的合金不论在裂纹萌生阶段还是裂纹扩展阶段，其热疲劳抗力都优于其它成分的合金。
The thermal fatigue resistance of alloy with 0.3? Addition is superior to that of other alloys, during crack initiating and propagating.
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。
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。
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%.
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