热疲劳性能；
The thermal fatigue property of the compacted...
热疲劳性能优于球墨铸铁和灰铸铁。
And fatigue property will be improved by controlling weld defects.
严格控制焊接缺陷可改善整个接头的疲劳性能。
Simultaneously, the memory fatigue property is improved obviously.
同时其记忆疲劳性能也得到了较大的提升。
The effect of rare earth on impact fatigue property of cast semi steel was studied.
研究了稀土元素对半钢冲击疲劳性能的影响。
The effect of rare earth on impact fatigue property of cast semi steel was studied.
研究了稀土及热处理对半钢组织中碳化物的形貌与力学性能的影响。
Fatigue property of alloy GH220 treated by two kinds of heat treatment have been tested.
二类不同热处理的GH220合金进行了疲劳试验。
The impact fatigue property of cemented carbide was studied by impact bending test in this paper.
采用冲击弯曲试验研究了硬质合金的冲击疲劳性能。
The fatigue property of framework-dense structure is better than that of suspend-dense structure.
悬浮密实结构的疲劳性能优于骨架密实结构的；
The low cycle fatigue property of TA5 Titanium alloy welded joint with different reinforcement was investigated.
分析了TA5钛合金不同余高焊接接头的低周疲劳性能。
At the same time, it presents the effects of concrete code and plate thickness on fatigue property of plated RCbeams.
同时，还探讨了混凝土强度、补强钢板厚度等因素对粘钢补强梁的疲劳性能影响。
Results showed that contact fatigue property of carburized gear samples was better than that of nitrided gear samples.
试验结果表明，渗碳处理试样接触疲劳性能优于调质氮化的试样。
Non-metallic inclusions on the subsurface of specimen do great harm to its fatigue property than that in the centre of specimen.
相对于试样心部的夹杂物，表层夹杂物对实验钢的疲劳性能的危害性更大。
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。
On mechanical properties, the strength was raised obviously, fatigue property was unchanged, impact toughness and ductility were reduced.
在性能方面，强度被显著地提高，机械疲劳性能变化不明显，冲击韧性和塑性降低。
Than the structure details contained in integral joint are analyzed, and the fatigue property of steel bridge integral joint is evaluated.
然后分析了钢桥整体节点所包含的构造细节，评价了钢桥整体节点的疲劳性能。
The flexural fatigue property of steel fiber reinforced concrete material for the pavement surface stratum is investigated experimentally.
对路面用钢纤维混凝土材料的弯曲疲劳进行了试验研究。
The oxygen and nitrogen contents can be efficiently removed by special degassing process, to improve thermal fatigue property of K424 alloy.
采取一定的除气工艺，可以有效降低合金的氧、氮含量，提高合金的纯净度，改善它的冷热疲劳性能。
As the key parts of automobile engine, valve springs are the most severe in required fatigue property and reliability of all steel products.
气门弹簧是汽车发动机的重要元件，其对疲劳和稳定性能的要求非常苛刻。
Meantime, the compressive stress in inner surface of hollow roller by nitrocarburizing is available for improvement of bend fatigue property.
同时，共渗在空心滚子内表面造成的压应力对改善弯曲疲劳性能有利。
Therefore, it is an effectivemethod to improve corrosion fatigue property to use the hole cold-expansion technique in the aircraft and other structures.
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。
The effect of re modification and heat treatment on impact fatigue property of low chromium cast semi steel was studied by means of impact fatigue test.
利用冲击疲劳试验，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The results show that the H13 steel treated by new process has higher hardness and heat-fatigue property. The service life of hot-forge die is prolonged.
结果表明：h13热锻模具钢经此工艺处理后，具有较高的硬度和热疲劳性能，延长了模具的使用寿命。
On the other hand, the MIM steel specimens were tempered at various temperatures in order to evaluate effect of tempering temperature on fatigue property.
另一方面，为了评估回火温度对疲劳性能的影响，将MIM钢试样于不同温度下进行了回火。
As base course material, porous concrete withstands the repeated action of traffic and temperature, so the fatigue property should be considered in structure design.
多孔混凝土作为路面的基层，和面层一起受到车辆荷载和温度的反复作用，结构设计中需考虑其疲劳性能。
The ductile iron is often used in high and low cyclic temperatures condition, its thermal fatigue property is regarded as one of the importantest material properties.
球铁经常使用在高温、低温循环的环境中，它的热疲劳性能被认为是最重要的性能之一。
As base course material, porous concrete withstands the repeated actions of traffic and temperature, so the fatigue property should be considered in structure design.
多孔混凝土作为沥青混凝土路面的基层时，和面层一起受到车辆荷载和温度的反复作用，结构设计中需考虑其疲劳性能。
As base course material, porous concrete withstands the repeated actions of traffic and temperature, so the fatigue property should be considered in structure design.
多孔混凝土作为沥青混凝土路面的基层时，和面层一起受到车辆荷载和温度的反复作用，结构设计中需考虑其疲劳性能。
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