1) chilled zone
白口区
1.
Production conditions and technical requirements of camshaft used for Xiali gasoline engine was introduced, the abnormal graphite (black line) found in the chilled zone was analyzed, and the wearing-resistance of the black line zone was tested.
介绍了天津夏利汽油机凸轮轴的生产条件和技术要求,分析了其激泠部位的石墨异常析出(黑线)现象,并进行了辚线的耐磨性试验,试验结果:黑线处磨损体积为白口区的1。
2) chill
[英][tʃɪl] [美][tʃɪl]
白口
1.
Both the chill and reverse chill are defects often found in the nodular iron knucle castings.
白口和反白口缺陷是球铁件转向节的常见缺陷。
2.
In application of high-strength spherulitic cast iron to thin-walled casting,the way to guarantee both high strength and chill-proof is described.
本文介绍高强度球墨铸铁用于制造薄壁铸件时,既保证高强度又防止白口的途径,并着重就变质剂的消耗、碳当量及壁厚对铸铁的白口倾向、金属基体变化及机械性能的影响机理进行了论述。
3.
In order to solve the problem of chill in castings,effect of such aspects as the chemical composition,degree of supercooling,alloying element,mould material,charge and so on were analyzed on the basis of iron-carbon diagram and alloy s crystal and solidifying principle.
为解决铸件的白口问题,从铁碳平衡图和合金结晶凝固原理出发,分析了化学成分、过冷度、合金元素、铸型介质、炉料等对产生白口的影响,结合生产实践经验,分析渗碳体的成因,提出相应地预防和消除的措施。
5) mottled zone
麻口区，斑口区
补充资料：白口铁
白口铁,生铁中的一种。含碳量约2.5％，硅在1％以下。白口铁中的碳以碳化铁Fe3C存在。断面呈白色，质硬且脆，不易进行机械加工。主要用炼钢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条