Effect of cold deformation and heat treatment on the structure and mechanical properties of bonze Br013 alloyed with titanium and cerium

1990 ◽  
Vol 32 (11) ◽  
pp. 873-876
Author(s):  
V. F. Shamrai ◽  
Yu. V. Efimov ◽  
V. A. Lykhin ◽  
V. V. Nesgovorov ◽  
M. I. Timofeev ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Cold Deformation ◽  
Deformation And Heat Treatment

Deformation and Heat Treatment of Cold Drawn Gold

2007 ◽  
Vol 550 ◽  
pp. 289-294
Author(s):  
Suk Hoon Kang ◽  
Jae Hyung Cho ◽  
Joon Sub Hwang ◽  
Jong Soo Cho ◽  
Yong Jin Park ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Plastic Deformation ◽  
Mechanical Stability ◽  
Ion Beam ◽  
Quantitative Measure ◽  
Electron Backscattered Diffraction ◽  
Conducting Path ◽  
Deformation And Heat Treatment ◽  
Gold Wires

Cold drawn gold wires are widely applied in electronic packaging process to interconnect micro-electronic components. They basically provides a conducting path for electronic signal transfer, and experience thermo-mechanical loads in use. The mechanical stability of drawn gold wires is a matter of practical concern in the reliable functioning of electronic devices. It is known that mechanical properties of materials are deeply related to the microstructure. With appropriate control of deformation and heat processes, the mechanical properties of final products, such as tensile strength and elongation can be improved. Severe plastic deformation by torsion usually contributes to grain refinement and increment of strength. In this study, microstructure variations with torsion strain followed by drawing and heat treatment were investigated. Analyses by focused ion beam (FIB) and electron backscattered diffraction (EBSD) were carried out to characterize the effect of deformation and heat treatment on the drawn gold wires. Pattern quality of EBSD measurements was used as a quantitative measure for plastic deformation.

Effect of the Deformation and Heat Treatment on the Microstructural Evolution and Mechanical Properties of Mg-4%Y Alloy

2019 ◽  
Vol 394 ◽  
pp. 115-121
Author(s):  
Hong Xin Wang ◽  
Peng Zhang ◽  
Jian Shu Liu
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Tensile Strength ◽  
Dynamic Recrystallization ◽  
Microstructural Evolution ◽  
Extrusion Process ◽  
Pile Up ◽  
Tensile Curve ◽  
Deformation And Heat Treatment

This study aimed to evaluate the effects of extrusion process and subsequentheat-treatment on microstructural evolution and mechanical properties of Mg-4%Y alloy. Theresults showed that the dynamic recrystallization occurred during extrusion, the microstructure istiny equiaxial grains, the shearing stripes and parallel streamlines which distribute along theextrusion direction are especially obvious. The tensile curve has obvious yield phenomenon. Afterannealing, parallel streamlines disappear, the yield phenomenon of tensile curve eliminates, theyield strength(σ0.2) and the tensile strength(σb) decrease, the plasticity increases. The underneathmechanism for mechanical properties can be ascribed to the weak pining effect of second-phaseparticles on the movement of dislocation and release of the pile-up dislocations.

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