研究表明,随着马氏体含量的增加,双相钢的最大剪切应力随之增加。
The research results show that the maximum shear stress of dual-phase steel raises with the increase of martensite content.
卸去外加应力,对其进行回复退火,合金发生逆转变,即从马氏体转变为奥氏体。
The reverse transformation of martensite to austenite takes place when the alloys are annealed after the external stress is unloaded.
研究表明在完全循环加载过程中,由于残余应变的存在,马氏体相变应力随循环增加而减小。
The research results show martensite transformation stress decreases with an increase in cycle due to the residual strain during full cyclic loading.
ADI水脆化是由于水分解的氢使adi基体组织中的应力诱变产生马氏体引起氢脆而导致的。
ADI water embrittlement was attributed to the decomposed hydrogen originated from water, resulting in hydrogen embrittlement of stress induced martensite in ADI matrix.
随着焊接热输入量的增加,由于熔池搅拌、焊接应力、合金元素烧损等原因,马氏体的分布更加散乱和密集;
By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements.
本文在大量观察和分析碳钢应力促发表面蝶状马氏体光镜形态的基础上,对其形成条件及立体形态进行了初步实验研究。
In this paper the formation condition and morphology of the stress induced butterfly martensite in carbon steel are studied by analyzing a great number of specimens.
用光学显微镜直接观察了合金在弯曲时应力诱发马氏体的增长和消失过程。
The growth and disappearance of induced martensite plates under bending stress have been also directly observed by the optical microscope.
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.
应力对于马氏体相变有一定的影响。
The stress takes some effects on the martensitic transformation.
观察到高应变率时应力平台与硬化阶段的TEM组织形貌分别为孪晶与断续的马氏体。
TEM morphology of the twin specimens at stress plateau stage and martensite section at hardening stage has been observed.
结果表明,过渡区马氏体组织的生成,异种钢接头的热应力是产生焊接裂纹的主要原因。
The results show that martensite at transition area and the thermal stress in the joint of different material will cause crack in clad steel plate during welding.
形状记忆合金利用应力诱发马氏体相变或温度诱发马氏体相变实现形状记忆效应,是一种新兴的功能材料。
Shape memory effect of alloy is obtained by making use of martensitic phase transformation induced by stress or temperature. Shape memory alloy is a new kind of function materials.
晶化处理温度对因热胀系数差异带来的热拉应力因马氏体相变而致的相变压应力均有不同程度的影响。
And the influence of annealing temperature was also found to be caused by the expansion coefficient difference and martensitic transition.
下贝氏体组织在高应力磨料磨损下比相同硬度,或稍高硬度的回火马氏体组织具有较高的耐磨性,但在低应力磨损下表现为不利的作用。
Bainite has higher abrasive wear resistance than tempered martensite with equal or higher hardness in hard abrasion, but in reverse in soft abrasion.
结果表明,在连接杆焊缝附近的热影响区中存在大量针状马氏体组织,在低应力的作用下,导致材料发生脆性断裂。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
张应力有利于与R相及马氏体相形核有关的软模。
A tensile stress promotes soft modes which relate to the nucleation of the R-phase and the Martensite phase.
张应力有利于与R相及马氏体相形核有关的软模。
A tensile stress promotes soft modes which relate to the nucleation of the R-phase and the Martensite phase.
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