A functionally graded material(FGM) was also produced by spark plasma sintering technology(SPS), and sintering powders of nano WC/10%Co, nano WC/12%Co, micro WC/15%Co and disk of stainless steel.

• 然后采用火花等离子烧结技术制备了硬质合金功能梯度材料,该材料由纳米WC/10%25Co、纳米WC/12%25Co、微米WC/15%25Co混合粉以及不锈钢圆片烧结而成。