The recycle times has little effect on the fracture mechanism and tensile properties at high temperature, but reduces slightly the stress-rupture life of revert K446 alloys.
返回次数对K446合金高温断裂特征和高温拉伸性能没有明显影响，但降低持久性能。
Analysis has been made on the fracture, material properties, assem-bling stress, stress concentration and etc. in order to find the cause of the rupture.
为查明活塞裙破断的原因，对活塞裙的断口、材质、装配应力、应力集中情况等进行了分析研究。
The tensile, creep and stress-rupture properties at high temperature of a cast nickel-base superalloy K46 without cobalt, as comparison with superalloy K412, were investigated.
研究了一种无钴镍基铸造 高温合金K46的高温拉伸、蠕变和持久性能，并与K412合金进行了比较。
With increasing Hf content the stress-rupture properties, in particular, the transverse stress-rupture properties of alloy DZ_22 at intermediate temperature are obviously enhanced.
随着铪含量的提高，合金的中温持久性能，特别是中温横向持久性能有所提高。
With increasing Hf content the stress-rupture properties, in particular, the transverse stress-rupture properties of alloy DZ_22 at intermediate temperature are obviously enhanced.
随着铪含量的提高，合金的中温持久性能，特别是中温横向持久性能有所提高。
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