氢脆：由于浸蚀，除油或电镀等过程中金属或合金吸收氢原子而引起的脆性。
Hydrogen brittleness: because, in addition to the erosion oil or plating process such as metal and alloy hydrogen atom absorption and cause brittle.
通过对高碳帘线钢线材断口试样的检验分析，认为钢中大颗粒脆性夹杂物是导致脆断的重要原因。
The result indicates that the large grain brittle inclusion in the molten steel is the key factor can lead to brittle fracture.
对于脆性较大的UPR，只有在采用加载速度较慢的断裂韧性来表征其韧性时，方能观察到这一脆韧转变现象。
For the UPR with greater brittleness, the brittle-tough transition was observed only when the toughness of the resin was characterized by fracture toughness at a slower loading rate.
利用超精密磨床磨削加工6种典型的光学玻璃，先从理论上研究了脆性材料脆塑转变的临界值。
In this paper, the typical 6 kinds of optical glasses have been grinding by the ultra-precision grinding, brittle-ductile transition's critical depth of brittle materials is researched theoretically.
在一定的断裂韧度前提下，随着局部脆性区尺寸的增加，焊接热影响区的脆断概率增加。
At a certain fracture toughness value, fracture probability of weldments increases with increase of the local brittle zone size.
通过对奥氏体合金脆性延迟断裂和氢脆断口的分析和比较，揭示了它们之间的区别和联系，提出了奥氏体合金应力腐蚀断裂与氢脆的机理。
This paper analyzes and compares the ends of the brittle delay fracture and hydrogen brittleness of Austenitic alloy, and reveals their difference and relation.
分析认为，上地壳上部呈现脆性，下部为脆韧性过渡状态，主要发育有板状断层或犁式断层；
From analysis, it is concluded that the upper part of the upper crust is brittle and the lower part is tenacity and deformed with the development of a shear zone.
本文以冲击实验和有限元分析研究了韧-脆复合材料结构中脆性材料的破碎问题。
The impact tests and the finite element method are used to investigate the fragmentation of brittle material in a composite structure consisting of PMMA and glass plates.
用基于风险检验评估方法分析了石化装置中运行的高温设备发生脆性断裂失效的可能性，介绍了利用回火脆化损伤因子确定最低升压温度的计算方法，为装置安全生产提供了可靠依据。
The method to determine the minimum upset temperature by means of the damage factor of temper embrittlement was introduced, and the dependable basis for equipment safe operation was offered.
钠腐蚀后，两种钨试样的沿晶脆断特征变得更为显著，为沿晶和穿晶混合型脆性断裂。
The brittle morphologies become much more notable, and appear the inter-and trans-granular fracture mode after sodium corrosion at high temperature for both of W-specimens.
对82B钢盘条拉拔脆断断口进行了金相组织和夹杂物检测，并借助扫描电镜观察分析了拉拔过程中产生的脆性断口形貌。
The fracture section microstructure and inclusion of 82B wire rod were tested, and the drawing brittle fracture was examined using SEM.
本文从断裂力学的角度探讨了纸张发脆的本质，提出了用脆性常数B来反映纸张脆性的大小。
According to fracture mechanics concepts, the essence of paper brittleness has been approached in this paper. Brittle constant-B is introduced to evaluate paper brittleness.
材料的脆化及较大的应力导致压球辊最终的脆性断裂。
The material embrittlement and residual stress leads to the final brittle fracture of the ball roller.
结果表明，氢脆现象是其产生脆性断裂的根本原因，同时提出了相应的防止措施。
The results show that the hydrogen embrittlement during the heat treatment process of thin-walled parts is the main reason. Meanwhile, the prevention measures are also put forward.
结果表明，热处理不当导致材料力学性能偏低偏脆是齿轮轴发生快速脆性断裂的主要原因。
It is inferred that low strength and bad ductility which is induced by abnormal heat treatment are the cause of brittle fracture happening for the gear shaft.
通过分析TA2和Q 235b的焊接性，论述了钛与钢熔焊焊缝脆裂的机理，指出钛钢复合板焊接性能差的主要原因在于焊缝中产生了脆性的金属间化合物，从而导致焊缝在焊接应力的作用下发生开裂。
The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.
通过分析TA2和Q 235b的焊接性，论述了钛与钢熔焊焊缝脆裂的机理，指出钛钢复合板焊接性能差的主要原因在于焊缝中产生了脆性的金属间化合物，从而导致焊缝在焊接应力的作用下发生开裂。
The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.
应用推荐