The wide range of investigations shown shut lower yield strength, coarse grain size and metallurgical flaws were the basic causes for the earlier failure of superalloy for turbine disk.
广泛的研究表明，屈服强度低、粗晶粒尺寸、冶金缺陷的存在是造成涡轮盘用高温合金早期失效的主要原因。
The results show that structural irrationality of mixed grain is the main reason for structural integrity failure under low temperature environment.
结果表明，药柱结构的不合理性是导致低温贮存条件下组合药柱发生结构完整性破坏的主要原因。
The stress at star tip of grain was maximal, which is liable to failure.
星尖处的应力最大，是发动机药柱容易失效的部位。
They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.
合金在高应变速率的变形中通过动态再结晶可获得更细的晶粒尺寸，其断裂时总延伸率在135%左右。
In the first place, the expert system diagnoses the system in high-level one (the thick grain size) and goes on expert reasoning, for the sake of reducing the failure probability.
即首先由专家系统对系统进行高层次(粗粒度)诊断，进行专家的推理，把故障的可能性缩小。
Therefore Hunan grain management related not only to the rear of social stability, but also to the success or failure of the Anti-Japanese War.
因此战时湖南的粮食管理问题不仅关系到后方的社会稳定，而且关系到抗战的成败。
The results show that oxide inclusion in grain boundary and structure defects from casting and forging process are the main reasons for failure of the copper sleeve.
结果表明：晶界氧化夹杂和铸造、锻造造成的组织缺陷是引起结晶器铜套快速失效的主要原因。
The results show that oxide inclusion in grain boundary and structure defects from casting and forging process are the main reasons for failure of the copper sleeve.
结果表明：晶界氧化夹杂和铸造、锻造造成的组织缺陷是引起结晶器铜套快速失效的主要原因。
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