次层为淬火马氏体组织；
原始材料的组织状态为形变马氏体、淬火马氏体及残余奥氏体。
The original structure consists of deformation induced martensite, quenching martensite and retained austenite.
结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。
The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
磨削淬火技术是利用磨削热对工件表面进行热处理，使工件表层发生马氏体相变，达到与表面强化处理一样的性能。
The heat flux generated in grinding is utilized to induce martensitic phase transformation in the surface layers of components, such as that achieved by other surface strengthening processes.
马氏体不锈钢淬火后的硬度随钢中碳含量增加而增高，当碳含量达到0.6％左右后，钢的硬度基本上不再增高。
The hardness of quenched martensitic stainless steels increases with carbon content and it reaches a nearly invariant value as the carbon content in steels is higher than about 0.6%.
淬火态组织为马氏体、碳化物和奥氏体，淬火三次回火态组织为马氏体和碳化物。
The microstructure of quenching are martensite, carbide and retained austenite, and are martensite and carbide by quenching and three times tempering.
结果表明：奥氏体未结晶区变形并淬火后，马氏体包的尺寸增大，而马氏体束的尺寸明显减小并发生弯曲。
The results showed that after the deformation of unrecrystallized austenite and quenching, martensite block width decreased and bent, while the packet size increased to some extent.
弹坑表面的变形带和相变带是由非常细小马氏体板条组成，其硬度非常高，远远高于装甲钢板的基体和淬火硬度。
The deformed band and transformed band are made up of very fine martensite laths, its hardness is much higher than that of the as-quenched specimen.
研究了硅和等温淬火工艺对高碳低合金马氏体-贝氏体钢金相组织与机械性能的影响。
The effect of silicon and isothermal quenching process on the microstructure and mechanical property of the high-carbon low alloy martensite-Bainite steel was studied.
淬火组织中马氏体与残余奥氏体的成分不均匀及磨削用量参数选择不当是导致裂纹出现的主要原因。
Uneven components of quenched martensite and residual austenite structure and improper grinding parameter are attributed to the main causes for cracks.
急冷淬火获得的马氏体记忆效应略低且恢复温度较高。
Martensite obtained by rapid quenching has a slightly lower shape memory effect and a higher recovery temperature.
不锈钢的光亮热处理有马氏体不锈钢(如400系列)光亮淬火、奥氏体不锈钢(如300系列)光亮退火。
Bright heat treatment of stainless steel are martensitic stainless steel (such as the 400 series), bright quenching, austenitic stainless steel (such as the 300 series), bright annealed.
叙述淬火低碳钢内条间奥氏体的形成，着重指出条状马氏体形成时存在碳的扩散。
The formation of the inter-lath austenite in quenched low-carbon steels is described and the existence of the carbon diffusion during the lath martensite formation is emphasized.
研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。
The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-and tempered steel of low carbon martensite is researched.
介绍两种高铬马氏体不锈钢的油淬火回火工艺原理；
The principle for the oil-quenching and tempering technology of two high chromium martensitic stainless steels is introduced.
结果显示对于等温淬火球铁，激光硬化层中马氏体片的尺寸与基体奥氏体—贝氏体中的铁索体板条尺寸相近。
The effects of laser hardening on the structure and wearability of a normalized and an austempered ductile iron were investigated.
分析讨论了二次淬火后马氏体的组织与亚结构，测量了该材料的主要力学性能。
The martensite substructure after quenching and the effect of grain size on the martensite substructure had been studied. The mechanical properties were measured.
不锈钢热处理业务：不锈钢热处理主要为马氏体不锈钢淬火，奥氏体不锈钢固溶。
Stainless steel heat treatment of business: stainless steel heat treatment is mainly for the martensite stainless steel quenching, austenitic stainless steel quenching.
对于直径较细的工件，轧后立即淬火几乎可得到全部马氏体。
As for small diameter workpiece, martensite distribution can be obtained by immediately quenching.
结果表明：直接淬火工艺的淬火组织为板条马氏体和孪晶马氏体共存，且孪晶马氏体的含量较多。
The results show that the quenching microstructure of direct quenching technology consists of lath and twin martensites, and the amount of the latter is more.
结果表明，随着亚温淬火温度的升高，双相组织中马氏体的亚结构由孪晶型变成位错型，两相的变形能力和拉拔性能都得到改善。
Mecrostructure and mechanical properties of 20SiMnTi steel have been studied and analyzed when treated by different heat treatment process, by changing the sub-critical quenching temperatures.
不同的淬火温度使双相钢显微组织中不仅产生了不同体积分数的马氏体，而且也形成了不同数量的新生铁素体。
Different quenching temperatures lead to not only different amounts of martensite, but also different volume fractions of new ferrite.
若淬火温度较高，由于粗大马氏体的存在，脆性很大；
On the other hand, the parts might become more brittle at higher quenching temperature because of the coarse martensite.
采用真空控时急冷技术对H13钢热作模具进行淬火，可使之得到细小的马氏体组织，从而显著提高热作模具的冲击韧度。
Hot working dies of H13 steel vacuum quenched by the use of the time-controlled sudden cooling technology will obtain fine martensite.
以上诸因素的共同作用，使贝氏体具有比直接淬火所获得的马氏体更高的二次硬化效应、热强性和组织稳定性。
As a result of the coaction of abovementioned factors, the bainite has superior secondary hardening effect, thermal strength and structural stability to martensite formed by straight tempering.
结果表明：加镍低碳高合金钢无论退火态还是淬火回火态，其组织均为单相板条马氏体；
The results show that as-annealed microstructure and as-quenched-tempered microstructure of the low carbon high alloy steel added nickel are both single-phase lath martensite.
结果表明：加镍低碳高合金钢无论退火态还是淬火回火态，其组织均为单相板条马氏体；
The results show that as-annealed microstructure and as-quenched-tempered microstructure of the low carbon high alloy steel added nickel are both single-phase lath martensite.
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