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.
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.
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.
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.
本研究进行了渗硼试样的拉伸、多次冲击以及旋转弯曲疲劳试验，并与未渗硼试样进行比较。
In the present study, tensile and repeated impact as well as rotated-bending fatigue tests were carried out.
疲劳试验结果表明：约束层冲击阻抗越大，激光脉冲功率密度越高，铝合金激光冲击处理后疲劳寿命的提高越显著。
The fatigue test results show that the higher shock impedance of overlays, and the higher laser power density, the greater the increase of fatigue life of aluminum alloy.
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.
得到了这两种铝合金冲击和未冲击的拉一拉疲劳试验数据。
The pull-pull fatigue test data of both laser shocked and unshocked test pieces (or sections) are obtained.
本文介绍了用于该试验的径向冲击试验机、扭转疲劳试验机、旋转弯曲疲劳试验机和径向载荷疲劳试验机的结构形式及性能特点。
This paper presents the structural features and characteristics of the radial impact tester, torsional fatigue tester, rotary bending tester and radial load tester used for the tests.
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.
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.
根据试验测定的焊缝各区冲击韧性、断裂韧性、疲劳裂纹扩展速率和疲劳裂纹扩展门槛值，对焊缝力学性能作出综合评价。
The mechanical properties of the butt welded joints have been evaluated according to the impulsive and fracture toughness as well as the rate and threshold values of fatigue crack propagation.
车轮经弯曲疲劳、径向疲劳、冲击试验验证，满足重载汽车使用要求。
The squeezed casting wheel meets the requirement of truck through bending, radial fatigue and impacting testing.
多工位液压伺服座椅疲劳耐久试验机，它可以完成对座椅的坐垫、靠背、骨架等进行疲劳试验，还可以进行H点冲击试验及头枕冲击试验。
This is a multi-station hydraulic fatigue test bench for seat. It is able to have fatigue and endurance test for seat, back and carcase of the seat and also crashing test to "H"point and pillow.
多工位液压伺服座椅疲劳耐久试验机，它可以完成对座椅的坐垫、靠背、骨架等进行疲劳试验，还可以进行H点冲击试验及头枕冲击试验。
This is a multi-station hydraulic fatigue test bench for seat. It is able to have fatigue and endurance test for seat, back and carcase of the seat and also crashing test to "H"point and pillow.
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