11 Result(s)
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Article
Glass transition and crystallization of Ce68Al10Cu20Co2 bulk metallic glass studied by Flash DSC
In this study, glass transition and crystallization of Ce68Al10Cu20Co2 bulk metallic glass at heating rates ranging from 0.083 to 14,000 K/s, covering six orders of magnitude, are investigated. For the glass tran...
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Chapter and Conference Paper
Cooling Rate and Roughness Dependence of the Undercooling for One Single Sn Droplet with Si Thin Film Substrate by Nanocalorimetry
has been developed and used to study the nucleation behavior of one single metallic droplet, especially the . For heterogeneous and are deemed as significant factors to affect the . In this paper, the r...
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Article
Influence of dealloying solution on the microstructure of nanoporous copper through chemical dealloying of Al75Cu25 ribbons
In this article, Al75Cu25 (at.%) ribbons were dealloyed by HCl, H2C2O4, H3PO4, and NaOH solutions, respectively, to prepare nanoporous copper (NPC). The dealloying behavior is varied with dealloying solutions, al...
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Chapter and Conference Paper
Microstructure Evolution of the 410 Stainless Steel and Co-Based Alloy Dissimilar Welded Joint Manufactured by Electron Beam Welding
The and in each characteristic zone of the 410 / were analyzed in the present study. The results showed that the across the joint exhibited an inhomogeneous distribution with the lowest of ~160 H...
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Chapter and Conference Paper
Highly Enhanced Cross Tensile Strength of the Resistance Spot Welded Medium Manganese Steel by Optimized Post-heating Pulse
The in the evolution and (CTS) variation of the resistance spot welded 7Mn (MMS) was studied. The results showed that the in the nugget fabricated by 4.0 kA was , yet the one by 4.5 kA was . Acco...
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Chapter and Conference Paper
Fabrication of Bilayer Nanoporous Copper from Rapidly Solidified Al70Cu30 Ribbons by Chemical Dealloying Technique
this (NPC) was prepared by chemical of the Al70Cu30 (at.%) melt-spun . The of Al70Cu30 in 4.2 vol% HCl solution facilitates the bilayer NPC with various . The results show that the formation of pores...
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Chapter and Conference Paper
Stress Induced Fracture Transition in High-Temperature 9% Cr–CrMoV Dissimilar Welded Joint
The 9% Cr–CrMoV dissimilar welded joints were investigated in the present study. The results showed that the occurred in the CrMoV-HAZ under 150 MPa at 839 K with necking, yet transformed to the fu...
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Chapter and Conference Paper
Effect of the Cooling Time on the Cross Tensile Strength of the Resistance Spot Welded Medium Manganese Steel
The effect of the between the welding pulses and post-heating pulses on the (CTS) of the resistance spot welded (RSW-MMS) was studied in this paper. Optical microscope (OM) and ) were employed to analyz...
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Article
Highly spherical, mono-sized SnAgCu droplets by pulsated orifice ejection method
Spherical Sn0.3Ag0.7Cu (wt.%) solder droplets with diameter ranging from 70.6 to 334.0 ώm were prepared using pulsated orifice ejection method. Compared with conventional atomization, these droplets are almost...
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Chapter and Conference Paper
Influence of Magnetic Field on Dealloying of Al-15Fe Ribbons and Formation of Fe3O4 Octahedra
The dealloying behavior of Al-15Fe (at.%) ribbons in a 5 mol·L-1 NaOH solution under static magnetic field has been investigated. The as-dealloyed samples were characterized by X-ray diffraction (XRD), scanning e...
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Article
Cooling rate dependent undercooling of Bi in a Zn matrix by differential fast scanning calorimetry
We presented the investigation on the cooling rate dependent undercooling of the microsized and nanosized Bi droplets in the Zn matrix via differential fast scanning calorimetry at scanning rates ranging from ...
