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.

1、

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。

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2、

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。

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3、

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。

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4、

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。

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5、

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。

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6、

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。

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7、

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。

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8、

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。

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9、

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。

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10、

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

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11、

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。

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12、

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。

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13、

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。

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14、

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；

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15、

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

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16、

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.

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。

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17、

Thermal Fatigue in Hydrogenerator-Fracture of the Brake-rings

水轮发电机中的热疲劳&制动环断裂

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18、

The major failure form of solder joints is thermal fatigue and fracture damage, and the deformation behavior and response of stress is very complex due to the complicated service conditions of solder joint.

钎焊点失效的主要形式为热-机械疲劳与断裂破坏，由于焊点服役条件的复杂性，其变形行为和应力响应也十分复杂。

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19、

The thermal fatigue fracture characteristics of a cast steel for wheel in different temperature cycles from 750 ℃ to 20 ℃ have been studied by using SEM.

分析一种车轮铸钢材料在750℃和20℃之间不同温度循环范围的热疲劳断口形貌特征。

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20、

The thermal fatigue fracture behavior of some cast steel wheel material under thermal cycling of 600~ 20 ℃ was studied.

研究了铸钢车轮材料在循环温度幅600~20℃下的热疲劳断裂行为。

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