索⽒体与回⽕索⽒体的区别
索⽒体与回⽕索⽒体的区别
索⽒体与回⽕索⽒体
1、索⽒体
英⽂名称:sorbite
说明：钢经正⽕或等温转变所得到的铁素体与渗碳体的机械混合物。索⽒体组
织属于珠光体类型的组织，但其组织⽐珠光体组织细。索⽒体具有良好的综合机械性能。将淬⽕钢在450-600?进⾏回⽕，所得到的索⽒体称为回⽕索⽒体(tempered sorbite)。回⽕索⽒体中的碳化物分散度很⼤，呈球状。故回⽕索⽒体⽐索⽒体具有更好的机械性能。这就是为什么多数结构零件要进⾏调质处理(淬⽕+⾼温回⽕)
的原因。
2、索⽒体与回⽕索⽒体定义与区别
索⽒体(sorbite)是钢经正⽕或等温转变所得到的铁素体与渗碳体的机械混合物。回⽕索⽒体(tempered martensite)：将淬⽕钢在450-600?进⾏回⽕，所得到
的索⽒体称为回⽕索⽒体，是指马⽒体在500~650?
索⽒体(sorbite)
钢经正⽕或等温转变所得到的铁素体与渗碳体的机械混合物。索⽒体组织属于
珠光体类型的组织，但其组织⽐珠光体组织细。索⽒体具有良好的综合机械性能。
索⽒体的组织特征：索⽒体在光学⾦相显微镜下放⼤600倍以上才能分辨⽚层
的细珠光体(GB/T7232标准)。其实质是⼀种珠光体，是installation to be familiar with the drawings, and to be familiar with to order materials, know exactly what each part of the mullions ud to avoid misattribution. Checks include the following the color is correct, oxide films if requested;ction conforms to design including the height, angle,
thickness, etclength requirementis easier to control, and therefore work both from a technical as well as management are particularly valued. 2. technology process: checks for vertical models, specificati
ons, check the box in place, ferrule fixed Liang Xiaduan, and top bolted beam three dimensional adjustment. 3. basic operation: (1) check the vertical type and specification: before
钢的⾼温转变产物，是⽚层的铁素体与渗碳体的双相混合组织，其层⽚间距较⼩(30,80nm)，碳在铁素体中已⽆过饱和度，是⼀种平衡组织。
回⽕索⽒体(tempered martensite)：将淬⽕钢在450-600?进⾏回⽕，所得到的索⽒体称为回⽕索⽒体，是指马⽒体在500~650?时⾼温回⽕形成以铁素体为基体
内分布着细均匀碳化物颗粒⼩球状碳化物(包括渗碳体)的复相组织。
回⽕索⽒体
回⽕索⽒体的组织特征是由等轴状铁素体和细粒状碳化物构成的复相组织，马⽒体⽚的痕迹已消失，
渗碳体的外形已较清晰，在在光学⾦相显微镜下放⼤
500~600倍以上才能分辨出来，其为铁素体基体内分布着碳化物(包括渗碳体)球粒的复合组织。它也是马⽒体的⼀种回⽕组织，是铁素体与粒状碳化物的混合物。此时的铁素体已基本⽆碳的过饱和度，碳化物也为稳定型碳化物。常温下是⼀种平衡组
installation to be familiar with the drawings, and to be familiar with to order materials, know exactly what each part of the mullions ud to avoid misattribution. Checks include the following the color is correct, oxide films if requested;ction conforms to design including the height, angle, thickness, etclength requirementis easier to control, and therefore work both from a technical as well as management are particularly valued. 2. technology process: checks for vertical models, specifications, check the box in place, ferrule fixed Liang Xiaduan, and top bolted beam three dimensional adjustment. 3. basic operation: (1) check the vertical type and specification: before
织。
回⽕索⽒体中的碳化物分散度很⼤，呈球状。故回⽕索⽒体⽐索
⽒体具有更好的机械性能。这就是为什么多数结构零件要进⾏调质处
理(淬⽕+⾼温回⽕)的原因。
installation to be familiar with the drawings, and to be familiar with to order materials, know exactly what each part of the mullions ud to avoid misattribution. Checks include the following the color is correct, oxide films if requested;ction conforms to design including the height, angle, thickness, etclength requirementis easier to control, and therefore work both from a technical as well as management are particularly valued. 2. technology process: checks for vertical models, specifications, check the box in place, ferrule fixed Liang Xiaduan, and top bolted beam three dimensional adjustment. 3. basic operation: (1) check the vertical type and specification: before
