The energy law was adopted to deduce a closed form,first order accurate equation to determine the mechanic properties of thin film in the thin film?substrate system by the indentation testing.

• 利用能量法分析了层状材料(薄膜/基体)弹性接触问题,得到了具有一阶精度的闭合解,给出了求解薄膜弹性模量和泊松比的表达式,并与有限元的数值解进行了比较。