Influence of Soluble Filler on the Mechanical Properties of Porous Self-Generation Superabrasive Tool

Bing Hai Lv; Cheng Wu Wang; Chen Sheng Wang; Zhe Wu; Ju Long Yuan

doi:10.4028/www.scientific.net/AMR.497.110

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 497Influence of Soluble Filler on the Mechanical...

Influence of Soluble Filler on the Mechanical Properties of Porous Self-Generation Superabrasive Tool

Abstract:

The soluble filler in the newly developed metal bonded superabrasive tool named porous self-generation superabrasive tool (PSST) plays the most important role. To investigate the influence of filler material and its content on the mechanical properties, Zn, CaO, SiO₂ are employed as the soluble filler.Shear experiments and lapping experiments are carried out. It is found that the shear force of PSST with Zn is the highest, and declines little from 3.2 kN to 2.9kN with increase of filler content from 10wt% to 30wt%. On the contrary, the shear force of PSSTs with CaO and SiO₂ decline obviously from 2.1kN to 1.2kN, and 1.7kN to 0.6kN respectively. The wear rate of PSST depends on not only its own mechanical strength but also the dissolution rate of the filler. It comes out that the wear rate of PSST with Zn is similar to that of PSST with SiO₂, ranges from 0.04mm/h to 0.13mm/h. The wear rate of PSST with CaO is much lower, ranges from 0.02 mm/h to 0.08 mm/h.