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稀土对切玻璃金刚石锯片切削性能的影响 被引量:7

INFLUENCE OF RARE-EARTH ON THE CUTTING PROPERTIES OF DIAMOND SAW BLADE WHEN CUTTING GLASS
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摘要 金刚石圆锯片可以用于切割玻璃和水晶制品。为了提高切割玻璃金刚石圆锯片的切割寿命和玻璃的切割质量,对切割玻璃金刚石圆锯片的胎体成分进行了优化设计,并在胎体材料中加入稀土化合物La2O3,同时对金刚石表面实施镀钛。本文从胎体材料对金刚石的把持力系数、实际切割的金刚石的脱落度以及锯片的切割速度方面,研究了稀土化合物在金刚石刀头胎体中的作用。结果表明:在胎体金属粉中加入适量的稀土化合物,胎体对金刚石的把持力系数有所改善,同时,增加了刀头胎体材料的脆性,实现了金刚石与胎体的同步磨损,金刚石的脱落度明显减小;切割速度比参比片提高了21.6%。 Diamond saw blades have been in wide use for cutting glass and crystal. In order to increase the service life of diamond saw blades and improve the cutting quality of glass, optimization design of matrix component of saw segment was carried out in this paper. Rare-earth compound La2O3 was added in the matrix, and the surface of diamond was covered with a thin titanium plating. In this paper, the function and mechanism of La2O3-added matrix is studied in terms of holding force factor, shedding degree of diamond and cutting ability. The results showed that when adding rare-earth compound La2O3 into matrix, the holding force can be improved, and the brittleness of matrix is risen in a way that diamond and matrix are worn out in step with each other and the shedding degree of diamond dropped notably. At the same time the cutting speed rises by 21.6% compared to diamond saw blades without rare-earth.
出处 《金刚石与磨料磨具工程》 CAS 2003年第6期48-50,共3页 Diamond & Abrasives Engineering
关键词 金刚石锯片 切削性能 稀土 优化设计 rare-earth compound CeCl3 diamond saw blade cutting properties
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