1) delayed hydride cracking
氢致延迟开裂
1.
The purpose of the present study was to investigate critical temperature for initiating and arresting delayed hydride cracking in Zr-Sn-Nb alloy.
1Cr)发生氢致延迟开裂(DHC)临界最大开裂温度(T_c)和临界最小止裂温度(T_h)随氢含量的变化规律;同时对裂纹尖端偏聚氢含量及静水应力和发生DHC的临界氢含量进行了理论分析,建立理论模型对临界温度进行理论计算。
2) hydrogen embrittlement crack
氢致延迟裂纹
1.
The results show that tiny crack main by using the unqualified protect gas(Ar)during welding could cause the increasing hydrogen contain in the weld area,created the hydrogen embrittlement crack.
7倍,在焊缝热影响区造成增氢,导致氢致延迟裂纹的产生。
3) compact tensile specimen of Titanium 55 alloy
Ti55合金氢致延迟裂纹
4) delayed fracture
延迟开裂
1.
The conclusion that martensite and its tempering structure have more sensibility is obtained through sensibility test of high strength bolt delayed fracture under the conditions of different materials,different heat treatment pro.
延迟开裂是高强度螺栓等汽车零件重要失效形式之一,具有广泛性和多发性,有效地控制和防范延迟开裂的发生,在工程上有着非常重要的意义和技术指导性。
5) delayed cracking
延迟开裂
1.
Based on the semi-circular bending test,the delayed cracking properties of asphalt mixture,a typical viscoelastic-plastic material,are evaluated using the J-integral theory and the delayed-cracking initiation time.
文中通过半圆弯拉试验,采用J积分理论和延迟开裂时间评价其延迟开裂性能,测得在不同荷载水平和不同试验温度下沥青混合料的延迟开裂时间,以及不同试验温度下的断裂韧度,研究其裂缝起裂规律。
2.
Sensitivity experiments of delayed cracking in high strength bolt were performed with different materials,thermal treatment technics and stress intensity.
通过对不同材料、不同热处理工艺、不同应力下的高强度螺栓延迟开裂的敏感性试验,得出了马氏体及其回火组织有较强延迟开裂敏感性的结论,同时提出了晶界滑移和低温蠕变的机理,并给出了延迟开裂的静疲劳曲线。
6) hydrogen-induced cracking
氢致开裂
1.
The threshold stress intensity of hydrogen-induced cracking during dynamical charging for 40CrMo steel decreased linearly with the logarithm of the concentration of diffusible hydrogen, C0, i.
动态充氢时氢致开裂（ＨＩＣ）门槛应力强度因子ＫＩＨ随试样中可扩散氢浓度Ｃ０（１０－６）的对数而线性下降，即ＫＩＨ＝３１。
2.
Various mechanisms of hydrogen-induced cracking and stress corrosion cracking have been reviewed.
本文对各种氢致开裂和应力腐蚀机理进行了评述。
3.
The KIH and da/dt of hydrogen-induced cracking in hydrogen gas at 400℃, however, could be measured.
对了Ti_3Al+Nb金属间化合物,用预裂纹试样研究原子氢引起的氢致开裂。
补充资料：延迟裂纹
分子式：
CAS号：
性质：冷裂纹中一种比较普遍的形态，它的主要特点是在焊后并不立即出现，而要经过几小时、几十小时或更长时间的孕育期才形成的冷裂纹，由于产生延迟现象，故称延迟裂纹。此类裂纹的生成和扩展决定于材料的淬硬倾向、焊接接头的应力状态和焊缝金属扩散氢的含量等三个因素交互作用的结果。
CAS号：
性质：冷裂纹中一种比较普遍的形态，它的主要特点是在焊后并不立即出现，而要经过几小时、几十小时或更长时间的孕育期才形成的冷裂纹，由于产生延迟现象，故称延迟裂纹。此类裂纹的生成和扩展决定于材料的淬硬倾向、焊接接头的应力状态和焊缝金属扩散氢的含量等三个因素交互作用的结果。
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