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- 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；
- 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。
- The results show that the thermal fatigue cracks after forming propagate preferentially in the hard phase, and the propagation of crack is stoped and dulled when it meet steel basic phase. 结果表明:萌生后的热疲劳裂纹优先在硬质相中扩展,遇到钢基体相后受阻、钝化。
- Thermal fatigue crack initiation and propagation paths of the high-chromi-um, middle Ni-Cr, adamite(165CrNiM.) and 9Cr2 (the forged steel) rollmaterials have been investigated. Thermal fatigue resistance of the four mater-ials has been evaluated. 本文研究高Cr铸铁、中Ni-Cr激冷铸铁、半钢(165CrNiMo)及锻钢(9Cr2)四种热轧辊材料的热裂纹萌生特点和扩展途径,并对四种材料热疲劳抗力进行了评价。
- The Forming Mechanism of Thermal Fatigue Crack of Steel Bonded Carbide 碳化钨钢结硬质合金热疲劳裂纹形成机理研究
- Simulated Experimental Study on Extension Characteristics of Thermal Fatigue Crack of Cylinder Head 缸盖热疲劳裂纹扩展特点的模拟试验分析
- Effect of Hot Deformation on Dynamics of Thermal Fatigue Crack Propagation in Medium Chromium Semi-Steel 热变形对中铬半钢热疲劳裂纹扩展动力学的影响
- THE EFFECT OF HEAT TREATMENT ON PROPAGATION DRIVE FORCE OF THERMAL FATIGUE CRACK IN 4Cr5MoSiV1 STEEL 热处理对4Cr5MoSiVl钢热疲劳裂纹扩展驱动力的影响
- Keywords HHD steel;electropulsing;thermal fatigue prpperty;thermal fatigue crack; HHD钢;热疲劳裂纹;电脉冲;热疲劳性能;
- Keywords Thermal fatigue crack Pulse current Crack tip passivation Batten martensite; 热疲劳裂纹;脉冲电流;裂尖钝化;板条马氏体;
- thermal fatigue cracks 热疲劳裂纹
- As a result of repeated thermal cycling, fatigue cracks developed in the solder interconnects. 随着热循环周数的增加，焊点中出现疲劳裂纹。
- High level of resistance to thermal shock and thermal fatigue. 优良的耐热冲击和抗龟裂能力。
- The nucleati-on, growth and connection of fatigue cracks were photographed. 拍摄了热疲劳裂纹的形核、成长、连接过程。
- thermal fatigue crack 热疲劳裂纹
- The formation mechanism of thermal shock fatigue crack of cemented carbide YG10 was investigated. 研究了YG10硬质合金热冲击疲劳裂纹的形成机制。
- 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；
- The flaking do increases and undulates the fatigue crack growth rate. 钢中的白点能增加疲劳扩展速率并使扩展速率发生波动。
- Study on Characteristic of Thermal Fatigue Cracking Damage of Wheel Casting Steel 车轮铸钢热疲劳裂纹损伤行为研究
- The fractography of the fatigue crack initiation displayed cleavage f... 裂纹形成的断裂为穿晶解理机制,预应变可导致更多的二次裂纹。
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