1) wide-band laser transformation hardening
宽带激光相变硬化
1.
T10 steel surface is modified by using wide-band laser transformation hardening,and the microstructure and properties modified was studied.
采用宽带激光相变硬化工艺对T10钢表面进行了改性处理 ,并对改性后的组织与性能进行了研究 ,结果表明 ,硬化区组织为针状马氏体 +少量残余奥氏体。
2) laser transformation hardening
激光相变硬化
1.
Application of laser transformation hardening in surface strengthening of automotive die steel Cr12;
激光相变硬化在Cr12汽车模具材料表面强化中的应用研究
2.
ANSYS-based numerical simulation on laser transformation hardening for plastic mould steel;
基于ANSYS的塑料模具钢激光相变硬化数值模拟
3.
Numerical calculation of three-dimensional temperature field during laser transformation hardening of cylindrical bodies;
圆柱体激光相变硬化三维温度场数值计算
3) laser hardening
激光相变硬化
1.
Some laser hardening tests were carried out on AerMet100 ultra-high strength steel,and the microhardness distributions and phase transformation in the hardened layer were tested and analyzed.
对AerMet100超高强度钢进行了激光相变硬化试验,并对淬硬层的显微硬度分布及其物相变化进行了测试与分析。
2.
The laser hardening mechanism of 32SiMnMoVA was also analyzed.
研究了32SiMnMoVA低合金超高强度钢激光相变硬化后淬硬层的显微硬度分布和组织结构,探讨了其激光相变硬化机理。
3.
The laser hardening is carried out for 45# steel using crosscurrent CO2 laser.
并利用该新型抛物面镜及横流CO2激光器,对45#钢进行了激光相变硬化研究,测量了淬火带尺寸和淬硬层深度,并对硬化层形貌及其金相组织进行了观察和分析。
4) laser phase transformation hardening
激光相变硬化
1.
In this paper, the change of nitrogen at different depths in 35CrMo steel through ion nitriding and laser phase transformation hardening treatments was investigated with Xrays Photoelectron Spectroscopy (XPS).
采用ＸＰＳ研究了３５ＣｒＭｏ钢离子氮化加激光相变硬化复合处理后不同层深处氮的变化。
2.
The process of laser phase transformation hardening,through GCr15 steel,was numerically simulated by means of finite element method,the distribution model of temperature field was established,the effect of the thickness of workpiece and the cooling condition of lower surface on the temperature field were analyzed.
以GCr15钢为例,采用有限单元法对激光相变硬化过程进行了数值模拟研究,建立激光相变硬化过程温度场的数学模型,分析了工件厚度及其下表面在自然散热和辅助水冷条件下对激光相变硬化温度场的影响。
3.
By making use of the technique of laser phase transformation hardening, the comprehensive performance of the surface of a material can be improved.
通过激光相变硬化技术可以提高材料表面的综合性能。
5) laser phase transformation hardening(laser quenching)
激光相变硬化(激光淬火)
6) multi-time laser transformation hardening
多次激光相变硬化
1.
The 45 steel was treated by multi-time laser transformation hardening with 5kW CO2 laser equipment.
采用5kW横流CO2激光器对45钢表面进行了多次激光相变硬化,并对硬化区进行了X射线衍射谱分析、光学显微分析和硬度测试。
补充资料：宽带和窄带业务
宽带业务是相对窄带业务而言的，一般来说，对于速率低于2Mb/s的通信业务统称窄带业务，如电话网、N-ISDN所提供的业务。对于高于2Mb/s的通信业务，如帧中继业务、视频点播、ATM业务、TV会议等称为宽带通信业务。 目前投入应用的宽带接入技术主要有两种：ADSL和FTTX＋LAN。
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