The results show that group of ZrB2 of sintering warpage is P6/mmm ,after several Rietveld refining ,the parameters of ZrB2 cell and the position of atoms Zr and B are obtained.

• 确定了原位反应生成的ZrB2属P6/mmm空间群,然后通过里德瓦尔(Rietveld)精修得到了ZrB2 晶格常数,并最终得到了原位生成的ZrB2晶体的原子位置。