Rapid cooling after nitrocarburizing, martensite structure is obtained at the diffusion layer.
氮碳共渗后快冷，在渗层获得含氮碳的马氏体组织。
Unlike that of tempered martensite structure, there is little effect of oxygen content on the fatigue properties of ferrite-pearlite steel.
与调质回火马氏体组织不同，氧含量对铁素体-珠光体组织的疲劳性能没有明显的影响。
The final structure obtained from tempering a fully hardened steel is called tempered martensite.
回火完全淬硬钢得到的最终组织结构被称为回火马氏体。
The structure of adhesive phase and transition layer in bright layers are mixed type of martensite.
白亮层中的粘结相以及过渡层的组织均为混合的马氏体组织。
Mainly its metallographic structure consists of acicular ferrite and martensite.
钢的组织主要由针状铁素体和马氏体两相组成。
Effect of martensite volume fraction on deformation dislocation structure and fracture for hot rolled dual-phase steel of the same composition was studied by using SEM and TEM.
利用SEM、TEM研究了同一成分的热轧双相钢的马氏体体积分数对形变位错结构和断口组织特征的影响。
Experiments show that the dual phase structure suitable to wire drawing consists of fine ferrite islands dispersed in the matrix of lath martensite.
实验表明，适于拔丝的双相组织是在板条马氏体基体上分布着细小的铁素体岛。
The structure of the studied steels was bainite, martensite and retained austenite.
研究用钢的室温组织为贝氏体、马氏体、少量残余奥氏体。
The original structure consists of deformation induced martensite, quenching martensite and retained austenite.
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 research describes the formation of Widmanstatten structure and martensite in iron-carbon alloys possessing a broad range of carbon contents and heat treated using a broad range of cooling rates.
该项研究描述了铁碳合金中魏氏组织和马氏体的形成，所用合金具有宽的碳含量范围，热处理时采用的冷却速率范围也是宽的。
The evolution of deformation dislocation structure during the tensile loading was examined by transmission electron microscopy in the tempered martensite of low and middle carbon alloy steels.
应用透射电子显微术研究低碳及中碳合金钢回火马氏体的形变位错结构随拉伸加载过程的演变。
According to their matrix structure, the white irons are divided into ferrite white iron, ferrite-austenite white iron, austenite white iron, pearlite white iron and martensite white iron.
白口铸铁按基体分为铁素体白口铸铁、铁素体-奥氏体白口铸铁、奥氏体白口铸铁、珠光体白口铸铁和马氏体白口铸铁。
The observations of microstructures and tensile fracture surface showed that such effect of initial structure can be related to the shape and distribution of martensite in dual phase steels.
显微组织和断口观察指出，初始组织的这种影响，与不同初始组织的双相钢中马氏体相的形态和分布有关。
This dislocation cell structure is inherited by martensite, restricts the growing of the martensite and refines the structure so as to strengthen and toughen the magnetic field quenched materials.
高温顺磁性奥氏体在外强磁场的作用下可发生磁化变形，使奥氏体形成高密度的位错胞结构，并有弥散碳化物析出。
The experimental result shows that the cracking resistance can be increased effectively as dual-phase structure existed in the layer consisting of lower bainite and lath martensite.
试验证明，当焊缝组织为下贝氏体及板条马氏体双相组织时，能有效地提高焊条的抗裂性能。
Observations showed that the micro-structure of the steel after forging or high temperature rolling was composed of low-carbon martensite, a little part of bainite and residual austenite.
微观组织观察表明，在锻造或高温轧制状态下获得了以低碳马氏体为主，含少量贝氏体和残余奥氏体的复合组织。
Hydrogen induced austenite structure transformation and martensite transformation in 304l stainless steel during hydrogen charging and aging were studied by X-ray diffraction.
利用X射线衍射方法，研究了304L不锈钢中电解充氢过程和随后时效过程中的氢致奥氏体结构变化和氢致马氏体相变。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。
When plate martensite is taken as original structure, the slow heating can make gram bainite inherit structure feature of original structure.
以板条马氏体为原始组织，慢速加热可使粒状贝氏体继承原组织特征。
Uneven components of quenched martensite and residual austenite structure and improper grinding parameter are attributed to the main causes for cracks.
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.
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。
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