Recrystallization of Pure Copper Investigated by Calorimetry and EBSD

2012 ◽  
Vol 729 ◽  
pp. 455-459 ◽  
Author(s):  
András Mucsi
Keyword(s):  
Heating Rate ◽  
High Purity ◽  
Pure Copper ◽  
Constant Heating Rate ◽  
Heat Treated ◽  
Cold Rolled ◽  
Constant Heating ◽  
Purity Copper

This paper deals with the recrystallization of high purity copper. Cold rolled specimens heat treated in the DSC apparatus by constant heating rate to chosen temperatures, after that water quenched producing partially recrystallized microstructure. Microstructure of samples investigated by EDSB.

Microstructural development of ZnO using a rate-controlled sintering dilatometer

1996 ◽  
Vol 11 (3) ◽  
pp. 671-679 ◽  
Author(s):  
Gaurav Agarwal ◽  
Robert F. Speyer ◽  
Wesley S. Hackenberger
Keyword(s):  
Thermal Expansion ◽  
Heating Rate ◽  
Grain Growth ◽  
Microstructural Development ◽  
Constant Heating Rate ◽  
Temperature Determination ◽  
Grain Sizes ◽  
Rate Controlled ◽  
Temperature Controlled ◽  
Constant Heating

Rate-controlled sintering (RCS) of isostatically pressed particulate compacts of ZnO showed lower average grain sizes and intragranular pore densities than constant heating rate temperature controlled sintering. Valid comparisons of this form could only be made after corrections to hardware and software which reduced specimen creep under dilatometer pushrod load, nonuniform pushrod expansion, reproducible specimen temperature determination, thermal expansion during sintering, and instantaneous termination of sintering at the specified end of RCS. The improved microstructures from RCS were attributed to maximized efficiency of densification, optimizing the time and temperatures permitted for grain growth.

Modification of Banding in Dual-Phase Steels via Thermal Processing

2014 ◽  
Vol 783-786 ◽  
pp. 1067-1072 ◽  
Author(s):  
K. Mukherjee ◽  
L.S. Thomas ◽  
C. Bos ◽  
David K. Matlock ◽  
John G. Speer
Keyword(s):  
Heating Rate ◽  
Thermal Processing ◽  
Thermomechanical Processing ◽  
Rolled Sheet ◽  
Dual Phase ◽  
Heating And Cooling ◽  
Heat Treated ◽  
Cold Rolled ◽  
Dp780 Steel ◽  
Microscopic Techniques

The potential to utilize controlled thermal processing to minimize banding in a DP780 steel with 2 wt pct Mn was evaluated on samples processed on a Gleeble® 3500 thermomechanical processing simulator. All processing histories were selected to result in final dual-phase steel microstructures simulating microstructures achievable during annealing of initially cold rolled sheet. Strip samples were processed to evaluate the effects of heating rate, annealing time, annealing temperature, and cooling rate. The degree of banding in the final microstructures was evaluated with standard light optical microscopic techniques. Results are presented to illustrate that the extent of banding depended on control of both heating and cooling rates, and a specific processing history based on a two-stage heating rate can be used to minimize visible banding in selected final heat treated products.

Phase Transition of Sb-rich Alloy Films under Isothermal and Constant Heating Rate Annealings

2015 ◽  
Vol 3 (3) ◽  
pp. 100-105
Author(s):  
Po-Kai Chiu ◽  
Shih-Feng Tseng ◽  
Wen-Tse Hsiao ◽  
Chao-Te Lee ◽  
Donyau Chiang
Keyword(s):  
Phase Transition ◽  
Heating Rate ◽  
Constant Heating Rate ◽  
Alloy Films ◽  
Rich Alloy ◽  
Constant Heating

scholarly journals Apparent activation energy for densification of α-Al2O3 powder at constant heating-rate sintering

2008 ◽  
Vol 31 (6) ◽  
pp. 903-906 ◽  
Author(s):  
W. Q. Shao ◽  
S. O. Chen ◽  
D. Li ◽  
H. S. Cao ◽  
Y. C. Zhang ◽  
...  
Keyword(s):  
Activation Energy ◽  
Apparent Activation Energy ◽  
Heating Rate ◽  
Constant Heating Rate ◽  
Al2o3 Powder ◽  
Α Al2o3 ◽  
Constant Heating
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