Microscope Usability Evaluation Based on Fuzzy Analytic Hierarchy Process

Table 2

Material properties of the main structure of microscope.

Material	Density (p)/kg m^−3	Elastic modulus (E)/Gpa	Yield strength (Rp0.2)/Mpa	Poisson’s ratio (σ)
Cast iron	7350	115	165	0.27
Aluminum alloy	2750	72.6	276	0.33