金刚石与磨料磨具工程2018，Vol.38Issue(2)：32-36,5.DOI:10.13394/j.cnki.jgszz.2018.2.0007
水气联合雾化法制备铁基预合金粉末及其在金刚石工具中的应用
Preparation of iron-based pre-alloyed powders by water-gas atomization and its application in diamond tools
刘坤杰 1乐晨 2赵放 2唐明强 2吴成义2
作者信息
- 1. 泉州医学高等专科学校,福建 泉州362000
- 2. 泉州天智合金材料科技有限公司,福建 泉州362000
- 折叠
摘要
Abstract
The iron-based pre-alloyed powders for diamond tools were produced by water-gas atomization.The physical properties of powders prepared by different processes including conventional water atomization and water-gas water atomization were compared,accordingly powders were sintered to segments and the fracture morphology and mechanical properties of the segments were observed, compared and analyzed respectively.The results showed that the iron-based pre-alloyed powder prepared by water-gas atomization with low oxygen content,is of spherical shape and fine particle size. The fracture morphology of TZ6 1 1 sintered segments using powders produced by water-gas atomization,exhibits typical ductile fracture and intergranular fracture characteristics.The mechanical properties,such as the relative density,hardness and bending strength of the segments,are greatly improved,which leading to better bonding force between the matrix and diamond.The circular blade made of pre-alloyed powder prepared by water-gas atomization is more sharp,and the service life is 1.62 times that of the conventional water atomization powder.关键词
水气联合雾化/铁基预合金粉末/金刚石工具Key words
water-gas atomization/iron-based pre-alloyed powder/diamond tool分类
矿业与冶金引用本文复制引用
刘坤杰,乐晨,赵放,唐明强,吴成义..水气联合雾化法制备铁基预合金粉末及其在金刚石工具中的应用[J].金刚石与磨料磨具工程,2018,38(2):32-36,5.
