本文選題：氧化鋅　切入點：丁腈橡膠　出處：《潤滑與密封》2017年01期 　論文類型：期刊論文

【摘要】：制備普通氧化鋅與納米氧化鋅填充的丁腈橡膠(NBR),分析氧化鋅類型對NBR材料特性及物理機械性能的影響。在MPV-600型磨粒磨損試驗機上研究氧化鋅類型對NBR摩擦磨損性能的影響,采用掃描電鏡對磨損表面形貌進行觀察,分析其磨損機制。結(jié)果表明:與普通氧化鋅硫化膠相比,納米氧化鋅可使NBR的拉伸強度、定伸應(yīng)力進一步提高;加入納米氧化鋅的NBR的最大轉(zhuǎn)矩提高,焦燒時間與正硫化時間都較普通氧化鋅的縮短;添加納米氧化鋅的NBR的耐摩擦磨損性能優(yōu)異,這主要歸因于其具有更大的交聯(lián)密度與較高的體系硬度。添加納米氧化鋅的NBR的磨損機制為磨料磨損和少量的黏著磨損,而添加普通氧化鋅的NBR的磨損機制為磨料磨損和嚴重的黏著磨損。
[Abstract]:Ordinary zinc oxide and nano-zinc oxide filled nitrile rubber (NBR) were prepared. The effects of zinc oxide type on the properties and physical and mechanical properties of NBR were analyzed. The effect of zinc oxide type on the friction and wear properties of NBR was studied on the MPV-600 abrasive wear tester. The morphology of the worn surface was observed by scanning electron microscope and the wear mechanism was analyzed. The results showed that compared with the ordinary zinc oxide vulcanizate, nano-zinc oxide could further increase the tensile strength and tensile stress of NBR. The maximum torque of NBR with nano-zinc oxide is increased, the scorch time and positive vulcanization time are shorter than that of ordinary zinc oxide, and the friction and wear resistance of NBR with nano-zinc oxide is excellent. This is mainly due to the higher crosslinking density and higher hardness of the system. The wear mechanism of NBR with nano-zinc oxide is abrasive wear and a little adhesive wear. The wear mechanism of NBR with common zinc oxide is abrasive wear and severe adhesion wear.
【作者單位】： 沈陽工業(yè)大學(xué)機械工程學(xué)院;沈陽化工大學(xué)能源與動力工程學(xué)院;中國航空工業(yè)空氣動力研究院;
【基金】：遼寧省高等學(xué)校創(chuàng)新團隊支持計劃項目(LT2014003) 遼寧省百千萬人才工程培養(yǎng)經(jīng)費資助項目(2015(48))
【分類號】：TQ333.7;TB302.3

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本文編號：1609723