A method for crack initiation life prediction of components is presented.
本文提出一种零部件的裂纹形成寿命的类比估算方法。
The crack initiation life and the crack fracture life are the main life of the specimen.
试样寿命主要由裂纹萌生寿命和断裂寿命组成，扩展寿命所占比例较少。
The methods of fatigue crack initiation life predictions under complex load are introduced in this paper.
介绍了复杂载荷下疲劳裂纹形成寿命预测的方法。
Finally, examples are given for predicting the fatigue crack initiation life from the tensile properties of steels.
最后给出了根据钢的拉伸性能估算疲劳裂纹起始寿命的实例。
So it establishes the essential foundation for studying the crack's initiation life of powder metallurgy turbine disks with inclusions.
为深入研究含夹杂粉末冶金涡轮盘裂纹萌生寿命打下必要的基础。
A practical method for predicting the reflective crack initiation life is developed, and the corresponding formula in the closed form is obtained.
在此基础上，导出了预估反射裂缝形成寿命的简便方法与公式。
The fatigue crack initiation life for standard titanium alloy TC6 specimens is predicted, and the result is consistent with that of the experiment.
利用该方法预估了TC 6钛合金标准件疲劳裂纹萌生寿命，其结果与试验数据吻合。
Especially the contribution to crack initiation life of the ground-air-ground circle in the crack growth formula is underestimated under the transport spectra.
特别是运输机谱中的地—空—地循环，在裂纹扩展的公式中对裂纹形成寿命的贡献估计不足。
The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation.
预应变可以延长疲劳裂纹形成寿命，提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值；
The fatigue crack initiation life of 300M steel is experimentally investigated and a simple method for predicting the fatigue crack initiation life of materia is offered.
测定了300M钢的缺口疲劳始裂寿命曲线，给出了估算疲劳始裂寿命的方法。
A calculating method of the total fatigue life of structural joints is proposed based on a study on both the fatigue crack initiation life and crack growth life of joints.
通过对结构疲劳裂纹形成寿命和裂纹扩展寿命的研究，提出了连接件疲劳全寿命的计算方法。
Which can quantitatively reflect the effects of cyclic loading conditions, material properties and corrosion environment on the initiation life and propagating rate of the cracks.
这些表达式能定量反映循环加载条件、材料性能及腐蚀介质对裂纹起始寿命和裂纹扩展速率的影响。
The fatigue crack initiation life for pipeline connection assemblies is also predicted. The fatigue crack propagation path is analyzed and the fatigue crack propagation life is predicted.
进一步，预估了管路连接件裂纹萌生寿命，预测了裂纹扩展路径并预估了疲劳裂纹扩展寿命。
Qin Wenjun " Initiation stories " to the individual value of life and fun spirit as the aesthetic meaning.
秦文君“成长小说”以个体的生命价值和娱乐精神作为作品的审美意蕴。
Moreover, the study indicated that the fatigue crack initiation period is the main portion of the total fatigue life at long lives.
该研究还表明，在长寿命范围，裂纹起始寿命是疲劳全寿命的主要部分。
People need to be simple and pure way of life to alleviate the psychological pressure in the increasingly busy city life, then get rid of cumbersome initiation of the pursuit of simple psychological.
日趋繁忙的城市生活，人们需要以简洁纯净的生活方式来缓解精神上的巨大压力，继而萌生了摆脱繁琐、追求简单的心理。
The stress whitening can be clearly seen on the fatigue fracture surface and its region is the initiation and nucleation of fatigue crack which is the main part of total fatigue life.
疲劳断口有应力发白现象；应力发白区为疲劳裂纹形核和萌生区，其寿命占疲劳总寿命的大部分；
This is the spring initiation in the ensemble of life here, I feel This was the earnest remark Zhenzhen, a magical beauty.
这就是春，萌生在这里的生命的齐奏，让我真真切切感受到一种神奇的美丽。
Initiation is a common and indispensable period of life, therefore, any narration about the initiation of people will have great appealing to the readers.
成长是人生的一个普遍而且必然的阶段，因此任何关于成长的叙事都具有广泛的吸引力。
In astrology, the date you choose to make an initiation matters, for it sets the birth of that endeavor for the whole length of the life of that endeavor.
占星学说，你选择做出起始问题的日子，将开始做出的努力是为一生的努力。
Experiments demonstrate that leaf spring crack results from rust spot as fatigue crack initiation, and in order to improve spring life it must be to improve coating quality.
通过试验证明了锈点是导致钢板弹簧断裂的新的疲劳源，为提高弹簧的使用寿命必须提高其涂层质量。
Background and aims: Weight gain is a well-recognised barrier to insulin initiation and compliance, and it can undermine patient quality of life.
背景和目的：体重增加是进行胰岛素治疗的一个重要障碍并且会影响依从性，可能低估患者的生活质量。
Resting cysts play an important role in the life cycle of some dinoflagellates, which are considered to be one of the initiation factors of algal blooms.
休眠孢囊是某些甲藻生活史的重要阶段，它被认为是甲藻赤潮爆发的种源。
Fatigue crack initiation is an important period in the whole fatigue life. The damage regularity of crack initial period cannot estimate with fracture mechanics which is used in large crack.
疲劳裂纹萌生阶段在整个疲劳破坏过程中占有极为重要的地位，而萌生阶段的裂纹体损伤规律用长裂纹断裂力学方法是无法确定的。
Instances where PTU is recommended over MMI include the initiation of therapy in the first trimester of pregnancy or in the setting of life-threatening thyrotoxicosis or thyroid storm.
大量的例证表明PTU比MMI更多的推荐用于作为妊娠头三个月的初始治疗或危及生命的甲状腺毒症或甲亢危象的治疗。
The initiation of new business precedes the steady household life. From then on, your intelligence can be used to further cultivate the spiritual homeland at Home.
安家则立业，从此，得以安心在“家”中用智慧进一步耕耘灵魂的精神家园。
The initiation of new business precedes the steady household life. From then on, your intelligence can be used to further cultivate the spiritual homeland at Home.
安家则立业，从此，得以安心在“家”中用智慧进一步耕耘灵魂的精神家园。
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