Research of Brake Disc Structural Parameters Influence on Temperature Field and Stress Field

Key words: 
• single factor variables /
• brake disc /
• temperature field /
• stress field /
• vent

Abstract: This article simulates car brake disc distribution of temperature field and stress field, and discusses how brake disc structural parameters influence temperature field and stress field by ABAQUS and combining thermal-mechanical coupling theory and heat transfer theory when take emergency braking.Based on an existing brake disc, the thickness of the brake disc is researched by applying the method of single factor variable for 9 mm, 11 mm, 12 mm and 13 mm on the influence of temperature and stress, with researching the structure of the vent.As the result shows, when the thickness is 13 mm, the maximum temperature reduces 15.25% and the maximum stress reduces 19.29%.A sandwich type vent brake disc can make the maximum temperature reduce 8.06% and the maximum stress reduce 30.67%, comparing with the solid.Increasing the thickness of the brake disc can reduce the maximum temperature and the maximum stress.The temperature of the plate-hole type vent is lower but with high stress.On the whole, compared with the plate-hole type vent, the sandwich type vent performances better.