In this thesis, the effects of high temperature hydrogen annealing on oxygen precipitation, f.
本论文研究了高温氢气退火对直拉硅中氧沉淀、洁净区形成、热施主等氧的行为的影响，得到了以下结果：研究了直拉(CZ)硅片、掺锗直拉(GCZ)硅片、掺氮直拉(NCZ)硅片经氢气和氩气氛下低—高缓慢升温(L-H Ramping)处理即：从800℃以1℃／min的升温速率升温到1050℃或1150℃并保温4小时后氧沉淀和洁净区形成的情况。
Susceptibility to hydrogen embrittlement and dehydrogenation annealing process of bainite steel used for crossing;
辙叉用贝氏体钢的氢脆特性及去氢退火工艺
Improvement of Dehydrogenation Annealing Technology for Forgings of Steel 45Cr2NiMoVSi;
45Cr2NiMoVSi钢锻件去氢退火工艺的改进
Based on the state of hydrogen in steel and the relation between the solubility and the diffusion coefficient of hydrogen , dehydrogenation annealing technology for forgings of steel 20CrNi2MoA has been scientifically designed.
分析了氢在钢中的存在状态,阐明了氢的溶解度与扩散系数之间的关系,据此,科学地设计了20CrNi2MoA 钢锻件的去氢退火工艺,该钢退火前的氢质量分数为(1。