Author:
Ren Facai,Liang Xiao,Li Bo,Wu Xinghua
Abstract
Abstract
A failure analysis was performed on an elevator brake plunger. The macroscopic morphology and metallographic microstructure of the elevator brake plunger were investigated based on the optical microscope and scanning electron microscope analysis. The results showed that the material of elevator brake plunger doesn’t meet the technical standard of DT4.
Subject
General Physics and Astronomy