Al_2O_3/ZrO_2(Y_2O_3)复合材料的可靠性、磨损形态及其切削耐用度
Reliability, abrasion modality and cutting lifetime of Al_2O_3/ZrO_2(Y_2O_3) composites
查看参考文献18篇
文摘
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研究了Al_2O_3和Al_2O_3/ZrO_2(Y_2O_3)复合刀具材料的Weibull分布、磨损形态及其切削耐用度。用一元线性回归方法确定Al_2O_3/ZrO_2(Y_2O_3)刀具的耐用度参数,分析切削条件对Al_2O_3/ZrO_2(Y_2O_3)复合刀具材料寿命的影响。结果表明:Al_2O_3和含2%(摩尔分数)及3%Y_2O_3的ZrO_2/Al_2O_3(Al_2O_3/ZrO_2(2Y)及Al_2O_3/ZrO_2(3Y))复合刀具材料Weibull模数的m值分别是5.6、10.2和11.7,说明Al_2O_3/ZrO_2(3Y)陶瓷的可靠性最优:Al_2O_3/ZrO_2(3Y)复合刀具切削40CrMoNiA合金钢的磨损形态主要来自磨粒磨损和粘结磨损,耐用度参数v_c、f、a_p的指数值分别为1.3、1.69和0.66,陶瓷刀具更适合高速切削,最大影响因素是进给量(,),在最佳切削条件下(v_c=140m/min,a_p=0.5mm和f=0.3mm/r)切削耐用度为3h。 |
其他语种文摘
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The Weibull distribution, abrasion performance and cutting lifetime of Al_2O_3 of Al_2O_3/ZrO_2(Y_2O_3) composites were investigated. The cutting lifetime of Al_2O_3/ZrO_2(Y_2O_3) cutting tool was established using single linearity regression. The effects of different cutting conditions on the cutting lifetime of Al_2O_3/ZrO_2(Y_2O_3) composite cutting tool were completely analyzed, The results show that Weibull modula (m) of Al_2O_3, Al_2O_3/ZrO_2(2Y) and Al_2O_3/ ZrO_2(3Y) composites are 5.6, 10.2 and 11.7 respectively, showing that the Al_2O_3/ZrO_2(3Y) composite has the best reliability. The abrasion mechanism during cutting process of 40CrMoNiA alloy steel by Al_2O_3/ZrO_2(Y_2O_3) cutting tool results from grain abrasion and adhesion abrasion, The parameters in the endurance model, v_c, f and a_p are 1.3, 1.69 and 0.66, respectively. The cutting tool material investigated at present is suitable for high-speed cutting, The maximal influence factor is the amount of feed (f). Under the optimum cutting conditions, v_c= 140 m/min, a_p=0.5 mm and f=0.3 mm/r, the endurance life of the composite cutting tool is 3 h. |
来源
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中国有色金属学报
,2007,17(2):270-276 【核心库】
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关键词
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Al_2O_3/ZrO_2(Y_2O_3)复合材料
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刀具
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可靠性
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磨损形态
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一元线性回归
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耐用度
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地址
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1.
沈阳大学材料科学与工程系, 沈阳, 110044
2.
中国科学院金属研究所, 沈阳材料科学国家(联合)实验室, 沈阳, 110016
3.
东北大学冶金与材料学院, 沈阳, 110004
4.
沈阳理工大学材料工程学院, 沈阳, 110168
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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1004-0609 |
学科
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化学工业 |
基金
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辽宁省自然科学基金
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辽宁省沈阳市科技攻关项目
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文献收藏号
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CSCD:2758378
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