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.
采用冲击弯曲试验研究了硬质合金的冲击疲劳性能。
The impact fatigue property of cemented carbide was studied by impact bending test in this paper.
研究了YG10硬质合金热冲击疲劳裂纹的形成机制。
The formation mechanism of thermal shock fatigue crack of cemented carbide YG10 was investigated.
热冲击疲劳裂纹的形成与微孔洞的形核、长大和连通有关。
The crack formation of thermal shock fatigue is related to the nucleation, growth and join of microvoid.
研究了金属陶瓷热冲击疲劳特性，重点探讨了裂纹的形成机制。
The thermal shock fatigue character of cermets has been studied and the formative mechanism of crack discussed in detail.
研究了碳、铬含量对珠光体基体低铬铸铁冲击疲劳抗力及冲击磨损性能的影响。
The effect of carbon and chromium content on the impact fatigue resistance and impact abrasion resistance of pearlitic low chromium cast iron has been investigated in this paper.
研究结果表明，适当的深冷处理可显著提高高铬铸铁的硬度、抗冲击疲劳性能。
The results showed that the proper cryo-treatment can improve the hardness and repeated impact-fatigue resistance of HCCI remarkably.
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 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 effect of re modification on the microstructure and impact toughness of wear resistant white cast iron are investigated.
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。
Effects of re modification and heat treatment on carbide morphology and mechanical properties of cast semi steel were studied.
结果表明，稀土能推迟裂纹萌生的时间，降低裂纹扩展速率，提高其冲击疲劳抗力。
The experimental results show that adding rare earth into cast semi steel can defer the time of forming fatigue crack, reduce the speed of crack propagating and increase the impact fatigue resistance.
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 effect of SST103 quenching medium on hardness distribution and cracking character of low chromium semi-steel were studied.
本文就粘结剂对硅酸铝纤维增强ZL 109合金复合材料冲击疲劳性能的影响进行研究。
In this paper, the influence of binders on the fatigue behavior of aluminosilicate fibre reinforced ZL109 alloy composites was studied.
试验得出，残余奥氏体可阻止疲劳裂纹的萌生和扩展，提高冲击疲劳抗力，降低冲击疲劳磨损。
It is indicated that retained austenite in microstructure can inhibit the initiation and propagation of fatigue crack, improve the resistance to impact fatigue and decrease impact fatigue wear.
观察了低碳钢在低周冲击疲劳过程中循环形变的显微特征。结果表明：循环形变主要由滑移引起。
The micro morphology of low carbon steel cyclic deformed with low cycle impact fatigue was investigated it was found that the cycle deformation is caused by slipping.
结果表明，精铸热锻模的主要失效形式为热磨损、塑性变形、热疲劳裂纹、冲击疲劳破断和脆性断裂。
The results show that hot-forged cast dies take thermal wear, plastic deformation, thermal fatigue, impact fatigue fracture and brittle fracture as predominant failure patterns.
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。
Common measure and experiment, impact fatigue experiment with large energy, revolving experiment at high speed and wear experiment are described in this paper.
结果表明，采用水基工作液电火花加工，电火花加工后高温回火处理及喷丸强化等措施，都可提高试样的冲击疲劳寿命。
The results show that the impact fatigue life-time of the specimen will increase by means of high-temperature temper and shot-peening after EDM with the water-base working fluid.
在抗张强度没有明显降低的条件下，新创立的双时效比正常时效的冲击疲劳寿命与动态断裂韧性分别延长和提高了35 。
By our new way of double aging, on which we have done research since 2002, the impact fatigue life can be prolonged by 35.
针对涡轮叶片的热冲击疲劳寿命实验，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。
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.
因此，一个张紧轮应持续时间更长，而被硬软建设能更好地抵御冲击，但将有更大的金属疲劳破坏的机会。
So a tight wheel should last longer and be stiffer while a softer build can resist impacts better but will have greater chance of metal fatigue failures.
感觉疲劳是文化冲击的一种症状。
MIM制造是理想，要求接近全密度、高冲击韧性、高断裂韧性、耐疲劳和耐腐蚀性。
MIM fabrication is ideal where near-full density, high impact toughness, fracture toughness, and fatigue and corrosion resistance are required.
这些工作主要讨论了金属泡沫材料的拉伸、压缩、能量吸收、动态冲击、失效准则、本构关系、蠕变、疲劳和断裂等力学性能。
They are mainly concerned with the tensile and compressive behavior, energy absorption, dynamic impact, failure criterion and constitutive relation, creep, fatigue and fracture of these materials.
文中指出，钢筘的失效是振动磨损、磨粒磨损、疲劳破坏和冲击损坏综合作用的结果，其如十击损坏的危害最大。
The paper points out that reed failures are resulted from the synthetical action of vibrating wear, grain wear, fatigue damage and last. impact action - the most dreadful damage.
试验数据表明，激光冲击能有效地提高航空铝合金抗疲劳断裂的性能。
The test data show that laser shocking can improve effectively the properties of aviation aluminium alloys against fatigue fracture.
经含钡合金处理的钢材力学性能，如疲劳、横向冲击韧性和各向异性可得到显著改善。
The mechanical properties such as fatigue, transverse impact toughness and anisotropic properties of steels treated with Ba-containing alloys are remarkably improved.
经含钡合金处理的钢材力学性能，如疲劳、横向冲击韧性和各向异性可得到显著改善。
The mechanical properties such as fatigue, transverse impact toughness and anisotropic properties of steels treated with Ba-containing alloys are remarkably improved.
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