Preparation and properties of low cost porous titanium by using rice husk as hold space

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Abstract

The present study demonstrates an effective low cost effective process for the production of porous titanium with 50–60 vol% porosity using 20 wt% rice husk (RH) with the hold spaces in the size ranges of 100–180, 180–250, 250–380, and 380–550 µm. The analysis of the samples revealed an interconnected pore microstructure consisting of a mixture of coarse channel pores, created during burnout of RH. The compressive strength of the developed samples was in the range of 17–70 MPa and depended strongly on their porosity and pore size. Large amounts of cleavage steps appeared on the brittle fracture surface after compression of the samples. The 3D morphology of porous titanium surface with rice husk sizes of 100–180 µm and 380–550 μm can be characterized by the micro-hole surface of pore size, and the size of the hole diameter and husk. The developed porous titanium is considered potentially useful in future medical or industrial application of biomass.

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Wang, X., Lu, Z., Jia, L., & Li, F. (2017). Preparation and properties of low cost porous titanium by using rice husk as hold space. Progress in Natural Science: Materials International, 27(3), 344–349. https://doi.org/10.1016/j.pnsc.2017.04.014

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