thermal fatigue
[材] 热疲劳
2025-08-15 14:00 浏览次数 8
[材] 热疲劳
thermal mechanical fatigue life热机械疲劳寿命
thermal cycling fatigue热循环疲劳
thermal mechanical fatigue[热]
thermal shock fatigue property热沖击疲劳性能
thermal sonic fatigue高温声疲劳
thermal shock fatigue mechanisms热震疲劳机制
thermal cold fatigue冷热循环疲劳
thermal shock fatigue mechanism热震疲劳机制
thermal shock fatigue热震断裂
the alloying elements such as aluminum, chromium etc, which can increase the heat resistance of cast iron, can apparently increase the thermal fatigue resistance of cast iron.
加入提高抗氧化性的合金元素可显着提高铸铁的抗热疲劳性能。
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。
temperature fluctuations with large amplitude and high frequency caused by the unstable thermal interface can lead to time-varying wall heat stress and even induce thermal fatigue in the pipe elbow.
不稳定的冷热流体分界面随时间上下波动,引起管内壁温度以较大振幅、高频率波动,使内壁产生随时间变化的热应力,甚致诱发管内壁热疲劳。
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。
thermal fatigue test shows that it is weak in crack extension resistances.
热疲劳试验显示,材料的抗热疲劳性能较差;
the result shows that the argon gas can effectively decrease the hardness gradient and improve the thermal fatigue behavior of ion nitriding steel h13.
结果表明:氩气能有效降低渗层的硬度梯度,提高离子渗氮h13钢的热疲劳性能。
wc coating was deposited with hvof, the thermal fatigue of which was studied in this paper.
采用hvof技术喷涂了wc涂层,并对涂层的抗热疲劳行为进行了研究。
the thermal fatigue resistance of the plating will be optimum when it is heated at 450℃.
其中,经450℃加热1小时的镀层具有最佳的抗热疲劳性能。
the result shows that for thermal fatigue tests the crack morphology mainly depends on the root radius of notch, and the deformation depends on the shape of specimen and constraining force.
试验结果表明:冷热疲劳试验裂纹形貌主要取决于试样缺口根部半径,而变形则取决于试样形状和约束力。
heat treatment process has no effect on the propagation mode of thermal fatigue crack and the shape of crack at the sample notch.
热处理工艺对裂纹在试样缺口处的形态及裂纹的传播方式无影响。
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。
thermal fatigue property of ni-based infiltrated layer on copper substrate has been investigated.
研究了铜基表面镍基渗层的热疲劳性能。
the results show that the thermal fatigue resistance of ferrite matrix of s. g. iron is best and complex phase matrix is detrimental to increase in thermal fatigue resistance.
结果表明:铁素体基体球铁的抗热疲劳性能最好,复相基体组织不利于提高球铁的抗热疲劳性能。
the temperature field calculated numerically in caster drum and the analysis of thermal fatigue are presented in this paper. the results have a guiding significance for raising fatigue life.
通过双辊液态铸轧中铸辊二维温度场数值计算,研究了多种工艺参数对铸辊温度场及热疲劳寿命的影响规律,其结论对提高铸辊寿命具有指导意义。
the thermal fatigue behaviour of co-p alloy plating after various heat treatments is studied by means of bp-12 thermal fatigue testing machine.
用bp-12型热疲劳试验机研究了热处理对化学镀钴磷合金层热疲劳性能的影响。
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。
with laser cladding co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of h13 hot-working die surface were appreciably increased.
h13热作模具钢表面经激光熔覆钴基合金后显着提高了模具的高温硬度和热疲劳抗力。
a new comparative test approach is provided for the thermal fatigue life experiments of turbine blade under thermal shock. the tested blades and reference blades were mounted in a common vane cascade.
针对涡轮叶片的热沖击疲劳寿命实验,提出了一种新的对比实验方案和措施:将实验叶片和参照叶片组合在同一组试验叶栅上,并且在试验过程中定期对调两种叶片的安装位置。
through the observation of microstructure, high temperature oxidation test, volume growth and thermal fatigue test, the high temperature heat-resistance of low chromium ductile iron was studied.
通过显微组织观察、高温氧化性试验、生长试验以及热疲劳试验研究了低铬球墨铸铁的高温耐热性能。
the results show that, chemical plating of ni treatment can improved thermal fatigue property, but the effect improved of ductile cast iron is better than that of grey cast iron.
结果表明,化学镀镍可以提高铸铁的热疲劳抗力,但对灰铁不如对球铁有效。
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。
meanwhile, the characteristics of thermal fatigue crack propagation and oft…
本文还简要讨论了热疲劳裂纹扩展及断口形貌的特性。
an indentation-quench test was introduced to evaluate the thermal fatigue resistance.
应用压痕-淬火法来评价材料热疲劳性能。