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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质

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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{sub}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{sub}25Ni{sub}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物（C-BN）基复合材料的摩擦学特性研究了干滑动条件下的钠溶液中的干燥滑动和泥浆腐蚀条件下。结果表明，与WC-CONI硬质金属，TIC-NI CERMET和B {SUB} 4C-A1复合材料相比，C-BN基复合材料具有更高的耐磨性。该材料由SHS方法制备，然后进行热压实。粘合剂相由Ti，Fe，Cr，Ni和C组成。在不锈钢（FECR {} 25ni {Sub} 11）中，粘合剂相，发现在生产过程中形成了TiC的二级硬相。这些超细尺寸的球形颗粒（直径高达600nm）对复合材料的摩擦学行为有很大影响。

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