A series of analysis were made on the cracked area,including macro-and micro-analysis,chemical,hardness,microstructure test and hydrogen brittleness removing test.
对该失效件进行了断口宏观分析以及扫描电镜微观分析、化学成分分析、硬度检测、金相组织观察、并进行了氢脆试验验证。
Study on the hydrogen embrittlement phenomena of carbonitriding tape gear;
合金渗碳钢锥齿轮碳氮共渗的氢脆现象研究
On partial gathering of hydrogen and crack growth in hydrogen embrittlement;
氢脆中氢的偏聚和裂纹的扩展
Study of hydrogen embrittlement resistivity for 00Cr17Ni14Mo2 austenitic stainless steel at high temperature;
00Cr17Ni14 Mo2不锈钢高温抗氢脆性能研究
Study on Hydrogen Brittleness and Stress Corrosion Cracking of GCr15 Steel under the Condition of High Stress;
GCr15钢在高应力状态下的氢脆及应力腐蚀断裂研究
By the manufacture instance of two drawing parts namely petrol cover and end cover, the reasons occurring drawing crack defect during manufacture are analyzed separately, the occurring of blue brittleness and hydrogen brittleness during drawing are introduced, as well as related solving and guarding steps are provided.
通过油盖及端盖两种拉伸件的加工实例,分别分析了其在生产中出现拉裂缺陷的原因,由此介绍了拉伸加工中蓝脆与氢脆的产生并分别提出了各自的解决及预防措施。
Through the tests of mechanical properties of charging hydrogen and the corrosion tests in loop water of high temperature and high pressure, hydrogen brittleness of T225NG Ti-alloy was studied.
通过渗氢试样的常温力学性能试验和双悬臂梁试样在高温高压高纯水中的腐蚀试验来研究T225NG钛合金的氢脆行为。
The result indicates that the tensile stress brought in spring by manufacture process and the hydrogen atoms filtered surface layer by pickling are main causes for delay fracture of spring,which is a kind of typical hydrogen brittle fracture.
对圆柱螺旋弹簧的断裂行为进行研究,结果表明:制造工艺引入到弹簧中的拉应力以及酸洗工艺渗入弹簧表层的氢原子是导致弹簧发生延迟断裂的主要原因,其断裂方式是一种典型的氢脆断裂。