1) critical crack size
临界裂纹尺寸
1.
The article researched critical stress intensity of 4130X steels in high concentration and medium concentration hydrogen sulfide corrosion environment and presented critical crack size of compressed natural gas vessel in these two environments.
以压缩天然气气瓶用钢 4 130X钢为材料 ,实测了高浓度和中等浓度硫化氢腐蚀溶液中材料的临界应力强度因子 ,得出压缩天然气气瓶在高浓度和中等浓度硫化氢溶液中的临界裂纹尺寸 ,为保证压缩天然气气瓶安全运行进行的裂纹评定提供了实验依据。
2.
Combining theory of fracture mechanics,formulas of critical crack size of mode Ⅰ-Ⅲ crack fracture is deduced.
利用ANSYS软件分析了在役隔离开关支柱瓷瓶承受的拉应力、剪应力情况,得到上下元件瓷体部分危险区域的最大应力值;结合工程断裂力学理论,推导出计算Ⅰ-Ⅲ混合型裂纹的临界裂纹尺寸公式,结合裂纹形状因子,给出隔离开关支柱瓷瓶检测灵敏度的理论依据。
3.
The critical crack sizes of different materials in H_2S environment were thus figured out,and the curves with working pressures and equivalent stress to critical crack size were plotted.
由此确定了不同材料在不同环境溶液中的临界裂纹尺寸,得到了气瓶工作压力及等效应力与临界裂纹尺寸的关系曲线。
2) critical size of through-wall crack
穿透裂纹临界尺寸
3) critical dimension
临界尺寸
1.
The model was analyzed and established,then the formula of critical dimension was got,which was related to the temperature distribution of heater tip.
根据传热学建立了脉冲热压焊的焊咀温度分布模型,对该模型进行分析、计算,得到了焊咀端部温度分布是否分布均匀的临界尺寸公式。
2.
The results showed that the critical dimension for Poplar increased wh.
02 MPa的真空干燥条件下,通过未封面与侧面封闭试件的对比试验,对杨木真空干燥临界尺寸进行了研究。
4) Critical size
临界尺寸
1.
Research on critical size of water barrier in underground coal mine;
论井下隔水煤柱承压破坏的临界尺寸
2.
Quantitative prediction of critical size for the formation of semiconductor quantum dots;
半导体量子点形成临界尺寸的定量预测
3.
The progress on characterization(including HRTEM, SFM, XRD and Raman spectra), critical sizes(including the single-domain critical size and the ferroelectric critical size)and the species of domain(including c domains, a domains, 180° domains and 90° domains)in ferroelectric thin films are reviewed.
综述了铁电薄膜中电畴的表征方法(高分辨透射电镜、扫描力显微镜、X射线衍射、拉曼光谱等)、类型(c畴和a畴、180°畴和90°畴等)、临界尺寸(单畴临界尺寸和铁电临界尺寸)等方面的研究进展,提出了研究中需要解决的一些问题。
5) crack size
裂纹尺寸
1.
The effect and estimation of crack size of SL technology on K_(1c) and ΔK_(th) of bearing steel GCr15;
喷吹工艺对GCr15轴承钢K_(1c)和ΔK_(th)的影响及裂纹尺寸的估算
2.
Estimation of fatigue life and crack size of submarine pressure hulls under stochastic loading with fracture mechanics method;
在随机载荷作用下用断裂力学法估算潜艇耐压壳体的疲劳寿命和裂纹尺寸
3.
The relation between crack sizes and the crack initiation life is established by this curve,and it can be used for high cyclic fatigue region,low cyclic fatigue region and sub fatigue limit region.
该曲线不但建立了应力水平和裂纹形成寿命之间的关系，也建立了裂纹尺寸和形成此裂纹尺寸寿命之间的关系。
6) critical nucleus size
临界核尺寸
补充资料：亚临界裂纹扩展
分子式：
CAS号：
性质：材料内部的微裂纹在达到临界快速失稳扩展条件之前的缓慢扩展过程。各种裂纹如疲劳裂纹、应力腐蚀裂纹、氢脆裂纹等的发展通常都经历这一阶段。可以通过降低外加应力、减缓腐蚀速度等方法阻碍裂纹的亚临界扩展,从而延长材料寿命。
CAS号：
性质：材料内部的微裂纹在达到临界快速失稳扩展条件之前的缓慢扩展过程。各种裂纹如疲劳裂纹、应力腐蚀裂纹、氢脆裂纹等的发展通常都经历这一阶段。可以通过降低外加应力、减缓腐蚀速度等方法阻碍裂纹的亚临界扩展,从而延长材料寿命。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条