陶瓷结合剂金刚石团聚磨料探索  

Exploration of ceramic binder diamond aggregated abrasives

作　　者：成晓哲[1] 许衍 穆云超[1] 韩敬贺 刘涛 CHENG Xiaozhe;XU Yan;MU Yunchao;HAN Jinghe;LIU Tao(Zhongyuan University of Technology,Zhengzhou 450007,China;Henan Huifeng Diamond Co.,Ltd.,Zhengzhou 450008,China;National Quality Supervision&Inspection Center For Abrasives,Zhengzhou 450008,China)

机构地区：[1]中原工学院,郑州451191 [2]河南省惠丰金刚石有限公司,郑州450008 [3]国家磨料磨具质量检验检测中心,郑州450001

出　　处：《金刚石与磨料磨具工程》2024年第1期31-38,共8页Diamond & Abrasives Engineering

基　　金：国家自然科学基金(51602356)。

摘　　要：细粒度金刚石微粉大量积压是目前金刚石微粉制造行业面临的问题之一,为促进其应用,以铝硼硅结合剂为黏接剂、Si粉和Ti粉为添加剂制造团聚磨料试样,并将制成的团聚磨料加入铝硼硅结合剂中制成陶瓷结合剂试样,对所制试样的抗弯强度、物相构成和微观形貌进行分析。结果表明:添加Si或Ti的铝硼硅黏结剂均能起到团聚金刚石的作用;当团聚磨料中Si或Ti的质量分数为10.0%时,所制得的陶瓷结合剂试样抗弯强度最大,且添加Si的团聚磨料试样抗弯强度为43.74 MPa;当Si或Ti的质量分数超过10.0%时,团聚磨料试样中出现大量Si或者TiO2峰,其抗弯强度急剧下降;添加Si的团聚磨料试样与添加Ti的团聚磨料试样相比,其具有更大的粒度和更均匀的粒度分布,添加Si的铝硼硅黏结剂可将1~2μm的磨料团聚为5~10μm的磨料。The diamond powder manufacturing industry at present grapples with a large backlog of fine-grained diamond powders.To enhance its applicability,agglomerated abrasive samples were manufactured with aluminum-borosilicate binder as the bonding agent,Si powder and Ti powder as additives.These agglomerated abrasive samples were then added into an aluminum-borosilicate binder to create ceramic bond samples.The bending strength,phase composition,and microscopic morphology of the samples were analyzed.The results show that the Al-B-Si binder,when combined with Si or Ti,can agglomerate diamond.When the mass fraction of Si or Ti in the agglomerated abrasives is 10.0%,the bending strength of the ceramic bond samples prepared is the largest.The bending strength of the agglomerated abrasive sample with Si added is 43.74 MPa.When the mass fraction of Si or Ti exceeds 10.0%,a large number of Si or TiO2 peaks appear in the agglomerated abrasive samples,and its bending strength decreases sharply.Compared with the agglomerated abrasive sample added with Ti,the agglomerated abrasive sample added with Si has a larger particle size and a more uniform particle size distribution.1~2μm abrasives can be aggregated into 5~10μm abrasives with the addition of Al-B-Si binder with Si.

关 键 词：团聚磨料 金刚石微粉 陶瓷结合剂 磨料性能 

分 类 号：TQ164[化学工程—高温制品工业] TB321[一般工业技术—材料科学与工程] TB34[金属学及工艺—金属切削加工及机床] TG58