thermal fatigue test

Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.

实验结果发现，试样表面出现大量的氧化腐蚀坑，表面主裂纹优先通过这些腐蚀坑扩展。

The results of the oxidation and growth resistance and thermal fatigue test of the RE heat-resistant compacted graphite iron have been given.

研究了稀土耐热蠕墨铸铁的抗氧化、抗生长及热疲劳性能。

The research purpose of this subject settles material selectivity of the conventional thermal fatigue test stand and develops a new kind of the infrared ray heating thermal fatigue test stand.

本课题就是为了解决热疲劳试验台的材料选择性，开发一种新型的红外线加热式热疲劳试验台。

The conventional thermal fatigue test stand uses induction heating system. This way only fits several materials, and is not fit for nonferromagnetic material.

而传统的热疲劳试验台大多采用感应加热方式，对材料有较强的选择性，不宜用于非铁磁性材料试验。

A Study on Test Life Modification of Heated Components of I.C. Engines after the Accelerating Thermal Fatigue Test

加速热疲劳试验条件下内燃机受热件寿命的修正计算

Through the observation of microstructure, high temperature oxidation test, volume growth and thermal fatigue test, the high temperature heat-resistance of low chromium ductile iron was studied.

通过显微组织观察、高温氧化性试验、生长试验以及热疲劳试验研究了低铬球墨铸铁的高温耐热性能。

In this paper the relations between all kinds of factors and the thermal fatig'te resistance of grey cast iron were studied by self-constrained thermal fatigue test.

采用自约束型热疲劳试验的方法，研究了灰铸铁的热疲劳性能与各种影响因素之间的关系；

Laser is used as the heat source of the pistons thermal fatigue test system.

采用激光作为活塞热疲劳模拟实验的热源。

Thermal fatigue test of two kinds of WC steel bonded carbides with different WC contents was examined on self-strained thermal fatigue testing machines, and thermal fatigue crack propagation process was investigated by optical microscopy and SEM.

在自约束型热疲劳试验机上对碳化钨含量不同的钢结硬质合金进行了热疲劳试验，用金相显微镜和扫描电镜对热疲劳裂纹扩展行为进行了研究。

The thermal fatigue simulation test on pistons is carried out, based on the modulated high power laser.

基于强度分布变换的高功率激光进行了活塞热疲劳模拟实验。

Characteristics of inductive heating applied to thermal fatigue test bed for heated engine parts is calculated and analyzed.

对发动机受热件加速热疲劳试验台架的感应加热特点进行计算分析。

Effect of heat treatment conditions on the thermal fatigue properties of WC/ steel composites ( not forged) has been investigated by the use of V notched specimens on the self-made thermal fatigue test machine.

采用板状带V型缺口试样，在自制的热疲劳试验机上进行试验，研究了不同热处理状态下未经锻造的WC／钢复合材料热疲劳性能的影响。

The axial force and thermal fatigue test was carried out with the automatic control system. The destruction process of the film was also recorded.

进行了轴向压力载荷试验，并记录了薄膜的破坏过程。

Thermal Fatigue Simulating Test Bench for the Engine Piston

内燃机活塞热疲劳模拟试验台

Development of Thermal Mechanical Fatigue Test Rig

热机械疲劳试验器的研制

In the thermal fatigue test of cylinder head, the shaped laser beam is chosen as the heating source to simulate the real fatigue.

气缸盖激光热负荷试验采用整形激光束作为热源模拟实际工况下气缸盖承受的热负荷。

The thermal fatigue test was pedonned on316 SS to understand the crack propagation behavior under the cycling temperature environment.

从实用出发对316不锈钢管材进行了热循环下的裂纹扩展试验。

Study of the Design for Canopy Thermal Fatigue Test-Bed

飞机座舱盖热疲劳试验台设计研究

Thermal fatigue test shows that it is weak in crack extension resistances.

热疲劳试验显示，材料的抗热疲劳性能较差；

Profibus-based control system of laser induced thermal fatigue test

基于Profibus的激光加载热疲劳实验控制系统

The fracture behavior of Fe-based and Ni-based thermally sprayed coatings on wheel cast steel has been investigated under the thermal fatigue test at 450 ℃-20 ℃.

分析了某铸钢车轮试样热喷涂层热疲劳试验断口特征。在铸钢车轮材料表面分别热喷涂铁基和镍基两种合金涂层，进行450℃-20℃下热疲劳试验，对断口形貌进行观察。

Static oxidation test and thermal fatigue test of thermal barrier coating structures were conducted along with related FEM analysis.

进行了涂层高温氧化实验、带涂层构件热疲劳实验及有限元模拟研究。

A Safe Life Estimation of Heated Parts in a Diesel Engine with Accelerated Thermal Fatigue Test

柴油机受热件加速热疲劳试验安全寿命估算

The specimens quenched at 1 050 ℃ and tempered at 500 ℃ have the best thermal fatigue properties in this test.

在本试验条件下，经1050淬火和500℃回火的试样具有最佳的热疲劳性能。

Thermal fatigue test is performed in a typical aeroengine that has operated for some hours, in order to assess the cold-resistant and thermal fatigue performances after HPT blade coating is replaced.

为考核工作了一定时数的某型发动机高压涡轮工作叶片在更换涂层后的抗冷、热疲劳性能，进行了热疲劳考核试验。

Method Study on Thermal Stress Fatigue Test of Centrifugal Mold Materials for Iron Pipes

离心铸管金属型材料抗热应力疲劳性能测试方法的研究

Damage behavior of wheel cast steel was analyzed under thermal fatigue test at 450 ℃~ 20 ℃.

研究了一种铸钢车轮材料在450℃~20℃热循环下破坏行为。