Stress distribution of tempered sight glass

Stress distribution of tempered sight glass
Explanation of super end stress distribution of B. tempered sight glass
The final stress distribution map of toughened sight glass shows larger compressive stress on the outer surface, decreasing from the outer layer to the center, and increasing tensile stress in the center layer. Tensile stress decreases from center to outer layer, and tensile stress and compressive stress at e point are 0.
A. began to heat the tensile stress stress pressure stress 0 temperature a outer layer: high temperature inner layer: low temperature outer layer: compressive stress inner layer: tensile stress.
B. continued to heat the tensile stress stress stress 0 temperature C, B temperature difference in inner and outer layer gradually reduced, and the stress value also decreased to no.
C. began to cold (2 seconds) Zhang Yingli pressure stress 0 temperature c c outer layer fast cold, low temperature, the inner layer is still in high temperature, the outer layer of Zhang Yingli.
D. suddenly quenched (within 5 seconds), Zhang Yingli compressive stress 0 temperature and temperature D, the temperature of inner and outer layer decreased, the temperature difference decreased, the inner layer began to shrink, the outer surface was below 500 degrees, and the outer layer had compressive stress.
E. continues to cold (in 12 seconds) Zhang Yingli compressive stress 0 temperature c e inner layer also down to about 500 degrees C, the internal and external stress basically formed.
F. toughening is completed (20 seconds), tensile stress, compressive stress 0 temperature, 20 degrees C, 650 C, 470 C - 500 C F, the temperature inside and outside is decreased, the trend of temperature difference is balanced, and the long-term stress inside and outside is formed.

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