离子注入和金属表面之间的错配产生了硬化表面的原子瑕疵。
The mismatch between ion implant and the surface of a metal creates atomic defects that harden the surface.
这一不透气的壳层(或边界层)会阻滞水分自由扩散，这种情形称为表面硬化。
This impervious layer or boundary will retard the free diffusion of moisture. This condition is referred to as case hardening.
而大多数有色金属可以进行退火，但不能进行正火或者表面硬化。
Most nonferrous metals can be annealed, but never tempered, normalized, or case-hardened.
控制循环空气的相对湿度和空气的温度可防止表面硬化的出现。
It is prevented by controlling the relative humidity of the circulating air and the temperature of the air.
不幸的是尽管中国制造的平头挺杆物美价廉，但是其冶金技术遭到质疑，加工、热处理、表面硬化质量也遭质疑。
Unfortunately, though flat tappets from China are cheap, their metallurgy is suspect-and the same goes for the quality of their machining, heat treatment and surface-hardening.
在该工具内面的特殊的经硬化处理的金属割刀与落鱼的外表面接合。
Special hardened metal-cutters on the inside of the tool engage on the external surfaces of the fish.
概况生产由一个特别然后挤压工艺和表面硬化整理给予治疗。
The profiles are manufactured by a special extrusion process then surface hardened and given a finishing treatment.
当然会有岩浆，硬化成新的表面，因为板块被拉开而在板块下方的就是岩浆。
Of course there will be lava, hardening into a new surface, as the plates are being pulled apart and beneath the plates is magma.
渗氮在钢表面获得远远超出正常标准的硬度。其硬度范围为900到1,100布氏硬度，这远高于普通表面硬化所获得的硬度。
Nitriding develops extreme hardness in the surface of steel. This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
实验结果表明，合金铸铁光束表面相变硬化层由与基材相邻的不完全相变区及表面完全相变区组成。
The experimental results show that the surface hardened layer consists of non-full transformation area which is adjacent to the base metal and surface full transformation area.
其硬度范围为900到1，100 布氏硬度，这远高于普通表面硬化所获得的硬度。
This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
硬化的阀座表面—阀瓣和阀体地阀座表面都经过表面硬化，最大限度延长使用寿命。
Hardened seating surfaces - both disc and body seating surfaces are hard faced for maximum service life.
钢的热处理工序包括硬化、回火、退火和表面硬化。
The procedures of heat treatment of steel include hardening tempering annealing and case hardening.
因此，辊子需要较高的表面硬度和较深的硬化层深度。
Thus, these rolls require a higher surface hardness and must be hardened to a greater depth.
在生产领域，激光可以用来钻孔、切割、连接、硬化以及进行表面改性和微加工。
In the area of manufacturing, lasers are used for drilling, cutting, joining, hardening, surface modification and micromachining.
文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术，包括等离子喷涂层和扩散渗层在内；
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
羊毛和毡绝缘表面的硬化增强了产品对高速气体侵蚀性的抵抗能力，同时也降低了渗气性。
Hardening of the surfaces of blanket and felt insulation improves the resistance to erosion by high-velocity gases and reduces the permeability of gases.
表面硬化：表面硬化的紧固件是黑色金属，其表面经过处理后比内心硬度要高。
Case hardened: a case hardened fastener is a fastener of ferrous material having a surface which has been made harder than the core.
真空（溅）镀膜有完整的加工设备，可提供UV、不导电NCVM、EMI、硬化…等表面加工处理。
There are integrated equipments on vacuum sputtering plating which can provide surface fabrication such as UV, NCVM, EMI, induration.
图为还有苯乙烯树脂硬化淡淡的外表面明显痕迹的盆。
The pots pictured here still have traces of hardened styrene resin faintly visible on their outer surfaces.
试验证明这种发生器对材料的表面局部硬化非常有效。
Experiment has shown that it has good effect on partial surface hardening.
研究了软化和硬化材料表面喷丸应变层内的组织结构。
The microstructure in shot-peening surface plastic straining layer of several softening and hardening materials are investigated.
并让液体在玻璃表面硬化。
结果表明，表面熔化处理后的硬化层的硬度梯度平缓，耐磨性高。
The results showed that the hardening layer has better hardness gradient and high wear resistance.
金属表面硬化层深度的检测及控制是目前机械工业部门急需解决的一个问题，它属于材料检测的范畴。
Nondestructive testing and quality control of metal hardened-depth is an important problem to be solved in machinery industry. It belongs to material property testing.
结果表明，激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性。
The results show, surface treated by laser hardening can improve the surface hardness and wear resistance.
特殊的材料包括球墨铸铁和钢煅品，大部分机轴经过热处理，表面硬化、渗氮和感应淬火。
Typical materials include ductile iron castings or steel forgings. Most crankshafts require some form of heat treating including case hardening, nitriding and induction harden.
特殊的材料包括球墨铸铁和钢煅品，大部分机轴经过热处理，表面硬化、渗氮和感应淬火。
Typical materials include ductile iron castings or steel forgings. Most crankshafts require some form of heat treating including case hardening, nitriding and induction harden.
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