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- The impact fatigue tests show that the tufftride process has a bad influance on impact fatigue properties of materials. 同时,冲击疲劳试验表明:软氮化处理使冲击疲劳性能劣化,这是因表面硬化层约束了柔软心部,使整体材料的韧性变差的结果。
- The reason of the increase of the impact fatigue life at normalizing and low temperature tempering was discussed. 分析了多冲疲劳裂纹扩展的行为，讨论了正火低温回火提高冲击疲劳的原因。
- The repeated low|energy impact fatigue resistance and abrasiveness of cross rolled 1.85%C | 5.86%Cr medium chromium semi steel have been studied. 通过落球和冲击磨损试验 ;研究了斜轧 1.;85%25C、5
- A study has been made of low-cycle impact fatigue behaviours of aluminium and duralumin including cyclic stress-strain behaviour,cyclic hardening(softening) and fatigue life. 报导工业纯铝和硬铝在常规低周疲劳和低周冲击疲劳载荷下的力学行为，包括应力应变回线、循环硬（软）化及疲劳寿命等。
- A study has been performed relating to the micromechanisms of cyclic deformation in polycrystalline copper and aluminium under low cycle impact fatigue (LCIF) loading. 对面心立方结构多晶纯铜和纯铝在低周冲击疲劳载荷下循环形变的微观机制进行了研究。
- Common measure and experiment,impact fatigue experiment with l arge energy, revolving experiment at high speed and wear experiment are described in this paper. 对所研制的高速滚子链进行了常规检测与试验、滚子大能量冲击疲劳试验、滚子链高速运转试验和滚子链磨损试验。
- A study has been performed on micromechanisms of cyclic deformation and fatigue damage in pure Zinc and TC4 Titanium alloy under low-cycle impact fatigue (LCIF) loading. 研究了六方金属纯锌和TC4钛合金在低周冲击疲劳载荷下的循环变形和损伤机制。
- As carbon content changing,the impact fatigue resistance and impact abrasion resistance of pearlitic low chromium cast iron is consistent with its relative toughness which... 碳含量变化时，低铬铸铁的冲击疲劳抗力及冲击磨损耐磨性与其相对韧性之间存在良好的一致性；铬含量的增加可改善低铬铸铁的综合性能。
- rotating bar impact fatigue test 转杆式冲击疲劳试验
- track impact fatigue testing machine 轨道冲击疲劳试验机
- He was beaten out with fatigue when he got home. 他回到家里时已是疲惫不堪。
- She fell out from extreme fatigue. 她由于极度疲劳而掉队了。
- A very funny joke may relieve you of a whole day's fatigue. 一则非常滑稽的笑话可以使你消除一天的疲劳。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- Analysis of impact fatigue damage in hammer foundation 锻锤基础的冲击疲劳损伤分析
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
- Development of a System for Repeated Impact Fatigue Test 多冲碰撞疲劳试验系统的研制
- Her speech made a tremendous impact on everyone. 她的演说对大家震动很大。
- Fatigue is incidental to a journey in a strange land. 在陌生的地方旅行，容易疲劳。
- The front of the car crumpled on impact. 汽车的前部被撞扁了。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
