Structural hardening mechanisms of lead-cadmium-calcium alloys for battery grids

2002 ◽  
Vol 99 (5) ◽  
pp. 481-489
Author(s):  
E. Saad ◽  
I. Bouirden ◽  
E. Hilali ◽  
N. Selhaoui ◽  
K. Mahdouk ◽  
...  
Keyword(s):  
Hardening Mechanisms ◽  
Structural Hardening

scholarly journals Kinetic Study of Structural Hardening Mechanisms of PbCdBiSn and PbCdBiMg Alloys for the New Generation of Battery Grids

2016 ◽  
Vol 64 ◽  
pp. 122-129
Author(s):  
Soukaina Saissi ◽  
Elmadani Saad
Keyword(s):  
Activation Energy ◽  
Equilibrium State ◽  
Extreme Temperature ◽  
Casting Alloy ◽  
Return To Equilibrium ◽  
Hardening Mechanisms ◽  
The One ◽  
New Generation ◽  
Kinetics Of ◽  
Structural Hardening

The study of the return to equilibrium state of PbCdBiSn and PbCdBiMg alloys has been studied. Indeed, two structural states were considered: raw casting alloy and rehomogenized alloy. The experimental temperatures are 20°C and 80°C. The latter temperature was selected because it corresponds to the temperature of ripening of battery grids and extreme temperature for operating a battery. We studied the kinetics of Pb2%Cd1%Bi0,5%Sn and Pb2%Cd1%Bi2%Mg. The activation energy of the alloy without tin remains less than the one with tin and approximate to that with Magnesium.

High-protein nutrition bars: Hardening mechanisms and anti-hardening methods during storage

Food Control ◽  
2021 ◽  
pp. 108127
Author(s):  
Zhanmei Jiang ◽  
Kaili Wang ◽  
Xu Zhao ◽  
Jinpeng Li ◽  
Rui Yu ◽  
...  
Keyword(s):  
High Protein ◽  
Protein Nutrition ◽  
Hardening Mechanisms

Improvement of Method and Mechanism for Conical and Paraboloid Springs Hardening

2021 ◽  
Vol 1037 ◽  
pp. 227-232
Author(s):  
Nikita A. Zemlyanushnov ◽  
Nadezhda Y. Zemlyanushnova
Keyword(s):  
New Method ◽  
Cylindrical Shape ◽  
Plastic Deformations ◽  
Conical Shape ◽  
Inner Surface ◽  
Hardening Mechanisms ◽  
The Difference ◽  
Compression Springs

The disadvantage of the known methods of hardening springs is the impossibility of their use when hardening springs of a conical shape or of a shape of a paraboloid of rotation, since they are intended only for cylindrical shape springs and are not suitable for conical shape springs or those of a shape of a paraboloid of rotation specifically because of the difference in the shape of the springs. One of the disadvantages of the known springs hardening mechanisms is the impossibility of hardening the inner surface of the conical compression springs. A new method of hardening springs is proposed, the unmatched advantage of which is the ability to create plastic deformations on the inner and outer surfaces of the spring coils compressed to contact and on the surfaces along the line of contact between the coils. A new advantageous mechanism for hardening springs is proposed, which makes it possible to harden the inner surface of compression springs having a conical shape or a paraboloid shape of rotation, in a compressed state.

Hardening mechanisms of high pressure Mg-Li alloys

2014 ◽  
Vol 115 (2) ◽  
pp. 023511 ◽  
Author(s):  
Qiuming Peng ◽  
Wenshi Wu ◽  
Jianxin Guo ◽  
Jianyong Xiang ◽  
S. S. Zhao
Keyword(s):  
High Pressure ◽  
Hardening Mechanisms

Hardening mechanisms of hard gold

1979 ◽  
Vol 50 (11) ◽  
pp. 6887-6891 ◽  
Author(s):  
C. C. Lo ◽  
J. A. Augis ◽  
M. R. Pinnel
Keyword(s):  
Hardening Mechanisms ◽  
Hard Gold
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