FURTHER RESEARCH ON MECHANICAL PROPERTIES OF MATERIALS 8 16-3 EFFECTS OF TEMPERATURE ON MECHANICAL PROPERTIES OF MATERIALS Effects of temperature on mechan: E(GPa) properties of materials 216 100 Total trend 17 90 E 137 80 Temperature increases, E、Gs、Ob O(MPa) 700 70 decrease o、 y Increase b 600 But increased with rising of temperature o b 500 50 instead260°; befores6、 y was reduced at400 40 d the same time. But not all the steel materials 300 30 have the characteristics shown in the low-carbon 200 20 steel at temperatures lower than 260 C 00035c0
Effects of temperature on mechanical properties of materials §16–3 EFFECTS OF TEMPERATURE ON MECHANICAL PROPERTIES OF MATERIALS Total trend : ( C) (MPa) E(GPa) 0 100 200 300 400 500 216 177 137 700 600 500 400 300 200 100 100 90 80 70 60 50 40 30 20 10 ,(%) E S d b Temperature increases ,E、 S、b decrease 、 Increase . But increased with rising of temperature b instead 260 °; befores 、 was reduced at the same time. But not all the steel materials have the characteristics shown in the low-carbon steel at temperatures lower than 260°C
料学说能动进一》分折 §16-3温度对材料力学性能的影响 温度对材料力学性能的影响 E(GPa) 216 100 总趋势: 17 90 E 7 温度升高,E、σ、o下降;σ(MPa) 80 700 70 δ、v增大。 600 但在260°以前随温度的升高,50 50 o反而增大,同时δ、却减小。但40 40 d 象低碳钢这种在260°以前的特征,300 30 并非所有的钢材都具有。 200 20 00035c0
温度对材料力学性能的影响 §16–3 温度对材料力学性能的影响 但在260°以前随温度的升高， b反而增大，同时、却减小。但 象低碳钢这种在260°以前的特征， 并非所有的钢材都具有。 总趋势: 温度升高,E、S、b下降； 、 增大。 ( C) (MPa) E(GPa) 0 100 200 300 400 500 216 177 137 700 600 500 400 300 200 100 100 90 80 70 60 50 40 30 20 10 ,(%) E S d b
FURTHER RESEARCH ON KIECHANCAL PROPERTIES OF MATERIALS O(MPa) δ(% 2000 80 1750 70 1500 1250 50 0.2 1000 40 750 30 500 20 250 10 0 200-1000100200300400500600700800(C) Effects of temperature on mechanical properties of the chromium-Manganese alloy
Effects of temperature on mechanical properties of the chromium-Manganese alloy. 2000 1750 1500 1250 1000 750 500 250 0 -200 -100 0 100 200 300 400 500 600 700 800 2000 1750 1500 1250 1000 750 500 250 0 -200 -100 0 100 200 300 400 500 600 700 800 (MPa) ( C) d b 0.2 80 70 60 50 40 30 20 10 0 (%)