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- High level of resistance to thermal shock and thermal fatigue. 优良的耐热冲击和抗龟裂能力。
- The thickness of coating decreasing the thermal fatigue resistance incr ease. 随涂层厚度减薄,热疲劳抗力增加;
- Thermal fatigue life of solder joints is predicted using the Coffin-Manson's empirical modified formula. 在此基础上,利用Coffin-Manson经验修正公式预报了焊点的热疲劳寿命。
- This paper discusses the factors of influencing thermal fatigue of solder joint in SMT and its research method. 本文研讨了影响SMT焊接点热疲劳性能的因素及研究方法。
- 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。
- 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。
- Ice slurry technology is one of the newest ways in cold thermal energy storage and dynamic ice-making fields,which can effectively balance the power charge. 冰浆蓄冷技术能有效地对电力“移峰填谷”及平衡电网负荷,是目前蓄冷和动态制冰领域的最新发展方向。
- Dynamic thermal fatigue of the micro specimens of 3Cr2W8V steel is carriedout in SEM with self-made Coffin model thermal fatigue stage. 利用自制的Coffin型热疲劳载物台,对3Cr2W8V钢微型试样进行了扫描电镜中的动态热疲劳试验。
- We must pay attention to the southern warm thermal advection as well as the northern cold thermal advection in the cold front shear type rainstorm process. 在该型暴雨的发生过程中,北部冷平流具有十分重要的作用,但南部暖平流的作用也不可忽视。
- Netty thermal fatigue crack will occurs when two principal stress and two principal plastic strains are approximately equal to each other. 两个主应力的值和两个主塑性应变值相近时出现网状龟裂。
- A life prediction mod el for TBC was established for presenting the coupling effect of oxidation damage and thermal fatigue damage. 基于研究结果,建立了可以体现氧化损伤与热疲劳损伤耦合效应的寿命预测模型。
- The results show that thermal fatigue cracks initiate at graphite cusps and in the pearlitic matrix and eutectic carbide. 结果表明,热疲劳裂纹在石墨尖端处、珠光体基体及共晶碳化物中萌生;
- The effect of different matrix structure on thermal fatigue resistance of spheroidal graphite iron (S.G. iron) were studied. 研究了不同基体组织对球墨铸铁抗热疲劳性能的影响。
- It is tonal and downy, guileless elegance, beautiful and easy, chemical stability and cold thermal stability all good, extremely easy with cement felt, applicable outside wall adornment. 它色调柔和,朴实典雅,美观大方,化学稳定性及冷热稳定性均好,极易与水泥粘结,适用外墙装饰。
- The regression relations between the primary solder joints shape parameters and thermal fatigue life of CCGA are derived through orthogonal experiments and regressions analysis. 通过对CCGA焊点形态参数与热疲劳寿命进行正交回归分析,得出了CCGA焊点形态主要参数与热疲劳寿命之间的关系表达式。
- The results show that the B-Cu vermicular cast iron has high resistances to wear and thermal fatigue,and it possesses better comprehensive performance and lower production cost. 结果表明硼铜蠕墨铸铁具有高的耐麿性、耐热疲劳性和更好的综合性能。
- A viscoplastic constitutive model was introduced for the ceramic coat.Moreover, the thermal fatigue behavior of the coating layer was studied numerically. 针对陶瓷层材料引入粘塑性本构模型,对涂层的热疲劳进行数值模拟研究。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- 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著提高了模具的高温硬度和热疲劳抗力。
- The structure of homogeneous and stable lath martensite as matrix with stable fine vanadium carbides on is of advantage to resist thermal fatigue and wear. 基体组织为均一、稳定的板条马氏体,且在其上分布着弥散、稳定的钒的碳化物,有利于抗热疲劳和抗磨损。