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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >TRIBOLOGICAL PROPERTIES OF BORON NITRIDE BASED COMPOSITES
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TRIBOLOGICAL PROPERTIES OF BORON NITRIDE BASED COMPOSITES

机译：氮化硼基复合材料的摩擦学性能

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摘要

Tribological properties of lightweight cubic boron nitride (c-BN) based composites under conditions of dry sliding and slurry erosion in sodium solution were studied. It was shown that c-BN based composite has a higher wear resistance as compared to WC-CoNi hard metals, TiC-Ni cermets and B_4C-Al composites. This material was produced by SHS method followed by hot compaction. Binder phase consists of Ti, Fe, Cr, Ni and C. Within a stainless steel (FeCr_(25)Ni_(11)) binder phase, a secondary hard phase of TiC was found to be formed during production. Those ultra-fine sized spherical particles (up to 600 nm in diameter) were supposed to have a great influence on the tribological behavior of composite.
机译：研究了轻质立方氮化硼（c-BN）基复合材料在干滑和浆液在钠溶液中的腐蚀条件下的摩擦学性能。结果表明，与WC-CoNi硬质合金，TiC-Ni金属陶瓷和B_4C-Al复合材料相比，基于c-BN的复合材料具有更高的耐磨性。该材料是通过SHS方法生产的，然后进行热压实。粘结剂相由Ti，Fe，Cr，Ni和C组成。在不锈钢（FeCr_（25）Ni_（11））粘结剂相中，发现在生产过程中形成了TiC的二次硬相。那些超细球形颗粒（直径最大为600 nm）被认为对复合材料的摩擦学性能有很大的影响。

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