Observation for mechanical property variations of single polymer particles

2007 ◽  
Vol 105 (2) ◽  
pp. 585-592 ◽  
Author(s):  
Dong Ok Kim ◽  
Jeong Hee Jin ◽  
Won Il Shon ◽  
Seok Heon Oh
Keyword(s):  
Mechanical Property ◽  
Polymer Particles

Thermomechanical Treatment of a 4340 Ni-Cr-Mo Alloy Steel

1981 ◽  
Vol 39 ◽  
pp. 314-315 ◽  
Author(s):  
M.T. Jahn ◽  
J.C. Yang ◽  
C.M. Wan
Keyword(s):  
Mechanical Property ◽  
Chemical Composition ◽  
Alloy Steel ◽  
Thermomechanical Treatment ◽  
Room Temperature ◽  
Good Combination ◽  
Thermal Treatments ◽  
Low Carbon ◽  
4340 Steel ◽  
Good Improvement

4340 Ni-Cr-Mo alloy steel is widely used due to its good combination of strength and toughness. The mechanical property of 4340 steel can be improved by various thermal treatments. The influence of thermomechanical treatment (TMT) has been studied in a low carbon Ni-Cr-Mo steel having chemical composition closed to 4340 steel. TMT of 4340 steel is rarely examined up to now. In this study we obtain good improvement on the mechanical property of 4340 steel by TMT. The mechanism is explained in terms of TEM microstructures4340 (0.39C-1.81Ni-0.93Cr-0.26Mo) steel was austenitized at 950°C for 30 minutes. The TMTed specimen (T) was obtained by forging the specimen continuously as the temperature of the specimen was decreasing from 950°C to 600°C followed by oil quenching to room temperature. The thickness reduction ratio by forging is 40%. The conventional specimen (C) was obtained by quenching the specimen directly into room temperature oil after austenitized at 950°C for 30 minutes. All quenched specimens (T and C) were then tempered at 450, 500, 550, 600 or 650°C for four hours respectively.

Numerical Simulation on Dynamics and Thermal Decomposition of Spallation Polymer Particles Flying in Polymer Ablated Arcs

2015 ◽  
Vol 135 (11) ◽  
pp. 681-687 ◽  
Author(s):  
Takuya Nakagawa ◽  
Tomoyuki Nakano ◽  
Yasunori Tanaka ◽  
Yoshihiko Uesugi ◽  
Tatsuo Ishijima
Keyword(s):  
Numerical Simulation ◽  
Thermal Decomposition ◽  
Polymer Particles

Effect of milling on the microstructure and mechanical property of austenite stainless steel

2020 ◽  
Vol 62 (12) ◽  
pp. 1181-1186
Author(s):  
Huanchun Wu ◽  
Wenxin Ti ◽  
Guodong Zhang ◽  
Fei Xue ◽  
Chengtao Li ◽  
...  
Keyword(s):  
Mechanical Property ◽  
Stainless Steel ◽  
Austenite Stainless Steel ◽  
Microstructure And Mechanical Property
Sign in / Sign up

Export Citation Format

Share Document