2) surface hardening
表面硬化
1.
Application of repair welding on surface hardening of steel body PDC bit;
堆焊技术在钢体PDC钻头表面硬化中的应用
2.
89-1 coating for laser surface hardening;
激光表面硬化预涂层用89-1涂料的研究
3.
The surface hardening of 40Cr steel was performed on a surface grinder by transverse feed grinding;the changing trends of microstructure and wear behavior of surface hardened layer were researched.
在平面磨床上采用横向进给磨削方式对40Cr钢进行表面硬化处理,研究了磨削表面硬化层组织与磨损性能的变化趋势。
3) hardened surface
硬化表面
4) superficial hardening
表面硬化
1.
The superficial hardening of non-quenched steels had been carried out on a surface grinder, the influences of grinding mode and cooling conditions on the surface hardened layer were studied.
在平面磨床上对非淬硬钢进行了磨削硬化处理,研究了磨削方式和冷却条件对表面硬化层的影响。
5) surface hardening
表面强化
1.
Grinding hardening,the technology of hardening steel piece surface with grinding heat instead of high or medium frequency induction hardening heat,can integrate grinding surface hardening.
磨削强化处理技术是利用磨削热替代高、中频感应淬火热源对钢件表层进行强化处理,将磨削加工与表面强化合为一体。
6) surface strengthening
表面强化
1.
Study on the Surface Strengthening Technique of Fast-growing Pinus massoniana Lumber;
马尾松速生材的表面强化工艺研究
2.
Microstructure and properties of electrospark surface strengthening layers;
电火花表面强化层组织结构和性能的研究
3.
Application of plasma surface strengthening technique in tool and die;
等离子体表面强化技术在模具中的应用
补充资料：强硬
1.强有力;坚决不退让。
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