镍基单晶高温合金磨削表面质量及亚表面微观组织试验

TH161; 采用正交试验的方法,研究了镍基单晶高温合金DD5表面质量影响因素和亚表面微观组织.进行DD5平面槽磨削正交试验,得到砂轮线速度、磨削深度和进给速度对表面质量的影响规律,优选出最优工艺参数组合,并对磨削亚表面微观组织和磨屑形貌进行观察.结果表明:砂轮线速度对磨削表面粗糙度Ra影响最大;随着砂轮线速度的增大,表面粗糙度Ra不断减小;随着磨削深度和进给速度的增大,表面粗糙度Ra不断增大.选出的镍基单晶高温合金DD5平面磨削试验参数范围内的最优工艺参数组合:砂轮线速度为30 m/s,磨削深度为20μm,进给速度为0.2 m/min.磨削亚表面出现了塑性变形层和加工硬化层.磨屑主要呈现出一...

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Published in东北大学学报（自然科学版） Vol. 40; no. 3; pp. 386 - 391
Main Authors 蔡明, 巩亚东, 屈硕硕, 杨玉莹
Format Journal Article
LanguageChinese
Published 东北大学 机械工程与自动化学院,辽宁 沈阳,110819 01.03.2019
Subjects
正交试验
表面质量
磨削
亚表面
磨屑
镍基单晶高温合金DD5
Online AccessGet full text
ISSN1005-3026
DOI10.12068/j.issn.1005-3026.2019.03.016

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Abstract TH161; 采用正交试验的方法,研究了镍基单晶高温合金DD5表面质量影响因素和亚表面微观组织.进行DD5平面槽磨削正交试验,得到砂轮线速度、磨削深度和进给速度对表面质量的影响规律,优选出最优工艺参数组合,并对磨削亚表面微观组织和磨屑形貌进行观察.结果表明:砂轮线速度对磨削表面粗糙度Ra影响最大;随着砂轮线速度的增大,表面粗糙度Ra不断减小;随着磨削深度和进给速度的增大,表面粗糙度Ra不断增大.选出的镍基单晶高温合金DD5平面磨削试验参数范围内的最优工艺参数组合:砂轮线速度为30 m/s,磨削深度为20μm,进给速度为0.2 m/min.磨削亚表面出现了塑性变形层和加工硬化层.磨屑主要呈现出一节一节的锯齿状特征.
AbstractList TH161; 采用正交试验的方法,研究了镍基单晶高温合金DD5表面质量影响因素和亚表面微观组织.进行DD5平面槽磨削正交试验,得到砂轮线速度、磨削深度和进给速度对表面质量的影响规律,优选出最优工艺参数组合,并对磨削亚表面微观组织和磨屑形貌进行观察.结果表明:砂轮线速度对磨削表面粗糙度Ra影响最大;随着砂轮线速度的增大,表面粗糙度Ra不断减小;随着磨削深度和进给速度的增大,表面粗糙度Ra不断增大.选出的镍基单晶高温合金DD5平面磨削试验参数范围内的最优工艺参数组合:砂轮线速度为30 m/s,磨削深度为20μm,进给速度为0.2 m/min.磨削亚表面出现了塑性变形层和加工硬化层.磨屑主要呈现出一节一节的锯齿状特征.
Author 巩亚东
屈硕硕
杨玉莹
蔡明
AuthorAffiliation 东北大学 机械工程与自动化学院,辽宁 沈阳,110819
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QU Shuo-shuo
YANG Yu-ying
CAI Ming
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Keywords 正交试验
表面质量
磨削
亚表面
磨屑
镍基单晶高温合金DD5
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Title 镍基单晶高温合金磨削表面质量及亚表面微观组织试验
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