2顆粒急劇促進(jìn)TC4合金磨損,而Fe2O3顯著降低磨損；Fe2O3粒徑越小,TC4合金的磨損失重越小且?guī)缀醪浑S載荷變化而波動(dòng)。摩擦界面添加TiO2時(shí),磨損機(jī)制與未添加氧化物顆粒的相似,以磨粒磨損和粘著磨損等嚴(yán)重磨損機(jī)制為主；當(dāng)添加Fe2O3時(shí),磨損機(jī)制由嚴(yán)重向輕微磨損轉(zhuǎn)變。"/>

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添加納米氧化物顆粒對(duì)TC4合金磨損行為的影響
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江蘇大學(xué) 材料科學(xué)與工程學(xué)院,江蘇大學(xué) 材料科學(xué)與工程學(xué)院,江蘇大學(xué) 材料科學(xué)與工程學(xué)院,江蘇大學(xué) 材料科學(xué)與工程學(xué)院,江蘇大學(xué) 材料科學(xué)與工程學(xué)院,江蘇大學(xué) 材料科學(xué)與工程學(xué)院,江蘇大學(xué) 材料科學(xué)與工程學(xué)院

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國(guó)家自然科學(xué)基金資助項(xiàng)目(51071078), 江蘇省普通高校研究生科技創(chuàng)新項(xiàng)目(KYLX-1031)


Effect of supply of nano-oxide particles on wear behavior of TC4 alloy
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School of Material Science and Engineering,Jiangsu University,School of Material Science and Engineering,Jiangsu University,School of Material Science and Engineering,Jiangsu University,School of Material Science and Engineering,Jiangsu University,School of Material Science and Engineering,Jiangsu University,School of Material Science and Engineering,Jiangsu University,School of Material Science and Engineering,Jiangsu University

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    摘要:

    采用MPX-2000銷(xiāo)盤(pán)式摩擦磨損試驗(yàn)機(jī)對(duì)TC4合金/GCr15鋼進(jìn)行滑動(dòng)磨損實(shí)驗(yàn),在摩擦界面人工添加納米氧化物顆粒研究了氧化物種類(lèi)和顆粒尺寸對(duì)TC4合金磨損行為的影響；采用XRD、SEM、EDS等方法表征了TC4合金的磨損特征并探討了磨損機(jī)制。結(jié)果表明：氧化物顆粒的種類(lèi)和尺寸對(duì)于TC4合金的磨損行為具有顯著影響：TiO2顆粒急劇促進(jìn)TC4合金磨損,而Fe2O3顯著降低磨損；Fe2O3粒徑越小,TC4合金的磨損失重越小且?guī)缀醪浑S載荷變化而波動(dòng)。摩擦界面添加TiO2時(shí),磨損機(jī)制與未添加氧化物顆粒的相似,以磨粒磨損和粘著磨損等嚴(yán)重磨損機(jī)制為主；當(dāng)添加Fe2O3時(shí),磨損機(jī)制由嚴(yán)重向輕微磨損轉(zhuǎn)變。

    Abstract:

    Sliding wear tests were performed of TC4 alloy/GCr15 steel on the MPX-2000 pin-on-disk wear tester. The effect of nano-oxide particles artificially supplied onto the sliding interface on the wear behavior of TC4 alloy was studied by varying the type and diameter of oxide particles. The wear characteristics of alloy were examined by XRD, SEM and EDS, the wear mechanism of TC4 alloy being discussed subsequently. Results showed that the type and diameter of oxide particles had significant influences on the wear behavior of TC4 alloy. Its wear loss was aggravated fleetly by TiO2 oxide particles, whereas it was improved in the case of Fe2O3. The wear loss of TC4 alloy was getting smaller with the decreasing particle diameter of Fe2O3, which was almost independent of the applied load. When the TiO2 was supplied, the wear mechanism of TC4 alloy was mainly abrasive and adhesive wear as the same as that without any additives. The severe-to-mild wear transition occurred when Fe2O3 oxide particles were supplied.

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張尊廣,王繼,周德琴,謝強(qiáng)強(qiáng),周銀,張秋陽(yáng),王樹(shù)奇.添加納米氧化物顆粒對(duì)TC4合金磨損行為的影響[J].稀有金屬材料與工程,2017,46(7):1839~1842.[Zhang Zunguang, Wang Ji, Zhou Deqin, Xie Qiangqiang, Zhou Yin, Zhang Qiuyang, Wang Shuqi. Effect of supply of nano-oxide particles on wear behavior of TC4 alloy[J]. Rare Metal Materials and Engineering,2017,46(7):1839~1842.]
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  • 收稿日期:2015-03-18
  • 最后修改日期:2015-04-29
  • 錄用日期:2015-06-11
  • 在線(xiàn)發(fā)布日期: 2017-11-14
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