Investigation on hot working processes of LD steel for heavy-loaded cold extrusion moulds
重载冷挤压模具用LD钢热加工工艺探讨
Process of strengthening & toughening and cryogenic treatment of LD steel was researched.
结果表明 ,淬火后深冷处理较淬火回火后深冷处理的效果好 ,重复深冷处理的效果更好 ,使LD钢的强韧性和耐磨性得到充分发挥 ,大幅度提高了冷挤压模具的使用寿命。
'he effect of heat treatment processes on mechanical properties and service-life of centre hole punch made of LD steel for leaf spring has been studied.
本文研究了热处理工艺对LD钢制作钢板弹簧中心孔冲头的机械性能和使用寿命的影响规律,结果表明:用LD钢制作钢板弹簧中心孔冲头,经1120℃淬火、540℃高温回火处理后可以获得较好的机械性能;经1140℃淬火后深冷处理再在540℃高温回火,可以获得最佳的综合机械性能,其使用寿命比Cr_(12)MoV钢作钢板弹簧中心孔冲头的寿命分别提高7倍和9倍。
The feasibility research of LD steal used as the moving cutter and fixed cutter of the air operated metal-cutting pliers
LD钢用作气动剪钳动定刀的可行性研究
Investigation on hot working processes of LD steel for heavy-loaded cold extrusion moulds
重载冷挤压模具用LD钢热加工工艺探讨
Production of Low Oxygen Content GCr15 Bearing Steel by the Process of 60 t LD-LF-VD-CC
60t LD-LF-VD-CC工艺生产低氧GCr15轴承钢
Research on Cr-Mo Surface Wear Resistant LD Steel by Double Glow Plasma Surface Metallurgy Technology;
双层辉光离子Cr-Mo共渗形成高耐磨LD冷作模具钢的研究
Effect of Metal Pretreatment-80 t LD-RH-LF-CC Process Flow on Inclusion in Pipeline Steel
铁水预处理-80 t LD-RH-LF-CC生产流程对管线钢夹杂物的影响
Study on Nd:YVO_4 Laser by LD-Pumped;
LD泵浦Nd:YVO_4激光器研究
LD-Pumped Nd: YVO_4 Deep Blue Laser
LD泵浦Nd:YVO_4深蓝光激光器
"Based on the way it is recorded, LD can be pided into two categories."
根据录制方式，LD可分为两种类型。
String constant truncated to fit STRING[%ld]
字符串常量截取到适合STRING[%ld]
Study of LD Side Pumped High Power All-Solid-State 532nm、355nm Lasers;
LD侧泵高功率全固态532nm、355nm激光器研究
Operating Environment Analysis & Competitive Strategy of LD Hospital in LanZhou;
兰州LD医院经营环境分析与竞争策略
Study of LD-Pumped 1064nm Dual-Frequency Nd: YAG Laser with Large Frequency-Difference;
LD泵浦1064nm大频差双频Nd：YAG激光技术研究
Characterization of Diode-pumped Passively Continuous-wave Mode-locked Lasers with SESAM;
LD泵浦SESAM被动连续锁模激光特性研究
Study on LD Side-pumped All-solid-state 266nm Ultraviolet Laser;
LD侧面泵浦全固态266nm紫外激光器研究
Study on LD Pumped CW and Pulse Green Lasers;
LD泵浦连续及脉冲绿光激光器研究
LD Pumped Nd: GdVO4 Laser Operating at 1.34um;
LD泵浦Nd：GdVO4晶体1.34um激光器的研究
LD End-pumped Nd: YVO_4/LBO Single-Frequency Laser at 671nm;
LD端面泵浦Nd：YVO_4/LBO单频671nm激光器
High-Power Red Laser Double-End-Pumped by Laser-Diode-Arrays;
LD双端抽运高功率红光激光器的研究