24 Result(s)
-
Article
Experimental investigation of phase equilibria in the Al–Ni–Sc system
Phase equilibria in Al–Ni–Sc ternary system have been measured through alloy sampling. According to the results from electron probe microanalysis and X-ray diffraction techniques, isothermal sections of Al–Ni–...
-
Article
Microstructure evolution and mechanical reliability of Cu/Au–Sn/Cu joints during transient liquid phase bonding
The microstructure evolution and mechanical reliability of Cu/Au–Sn/Cu sandwich joints during transient liquid phase (TLP) bonding were investigated in this study. The results show that the Au–Sn solder reacte...
-
Article
Experimental investigation on phase equilibria of Cu–Ti–Hf system and performance of Cu(Ti, Hf)2 phase
Phase relations in Cu–Ti–Hf ternary system have been studied by diffusion triple technique supplemented with typical alloy sampling method. Based on results from electron-probe microscopy analysis and X-ray di...
-
Article
Mechanical reliability of transient liquid phase bonding of Au–Sn solder with Ni(Cu) substrates
Mechanical reliability of transient liquid phase (TLP) bonded Au–Sn/Ni(Cu) joints was investigated in this study. The results show that the TLP bonded Au–Sn/Ni(Cu) joints have excellent mechanical performance,...
-
Article
Microstructure evolution and shear behavior of Au–Sn/Ni–xCo (x = 20, 40, 60, and 80 at.%) joints soldered at 350 °C
Interfacial reaction and shear behavior of the joints between the Au–29Sn (at.%) solder and the Ni–xCo (x = 20, 40, 60, and 80 at%) alloys soldered at 350 °C for various durations were investigated in this study....
-
Article
Interfacial Microstructure Evolution and Shear Behavior of Au-Sn/Ni-xCu Joints at 350°C
Interfacial reaction and shear behavior of the joints between Au-29Sn (at.%) solder and Ni-xCu (x = 20 at.%, 40 at.%, 60 at.%, and 80 at.%) substrate alloys soldered at 350°C for various durations were investigat...
-
Article
Experimental investigation of phase equilibria in the Ti–Al–Mo ternary system
Phase equilibria in Ti–Al–Mo ternary system are of fundamental importance to better acquire the phase-forming regulation of TiAl-based alloys. In this paper, phase relations in this system have been investigat...
-
Article
Quenching and Partitioning of Ultrahigh Carbon (1.69 Mass% C) Steel
Quenching and partitioning (Q&P) or quenching and tempering (Q&T) process of modified ultrahigh carbon steel (UHCS, Fe–1.69C–1.38Si–1.84Mn–2.20Cr–0.54Mo–0.43Ni wt%) was investigated by means of scanning electr...
-
Article
Experimental investigation of phase equilibria in the Cu–Ni–Zr system
Phase equilibria in the Cu–Ni–Zr ternary system have been measured through alloy sampling combined with diffusion couple approach. According to the phase relations identified with electron probe microanalysis ...
-
Article
Magnetic properties of Fe78.4Si9.5B9Cu0.6Nb2.5 nanocrystalline alloy powder cores
The microstructure and morphology of nanocrystalline Fe78.4Si9.5B9Cu0.6Nb2.5 alloy powders prepared by ball milling technique were characterized by X-ray diffraction and scanning electron microscopy studies. The ...
-
Article
Thermodynamic assessment of Co–Al–W system and solidification of Co-enriched ternary alloys
Based on the assessed three constituent binary systems and reported phase diagram data, the Co–Al–W ternary system was thermodynamically optimized by using CALculation PHAse Diagram (CALPHAD) method. The newly...
-
Article
Sliding friction properties of austenite- and martensite-based white cast iron containing 8.5% chromium
In this paper, the wear resistance and track of austenite- and martensitic-based white cast iron (AWCI and MWCI) containing 8.5% chromium have been investigated with micro-fricative wear tester, optical micros...
-
Article
Investigation of the Hot-Stam** Process for Advanced High-Strength Steel Sheet by Numerical Simulation
Hot forming is a new way to manufacture complex-shaped components of advanced high-strength steel (AHSS) sheet with a minimum of spring-back. Numerical simulation is an effective way to examine the hot-forming...
-
Article
Thermodynamic Assessment of the Au-Co-Sn Ternary System
Phase relationships in the Au-Co-Sn ternary system have been thermodynamically assessed by using the CALPHAD technique. The existing thermodynamic descriptions of the binary Au-Sn and Co-Sn systems were improv...
-
Article
Thermodynamic Modeling of the Au-Bi-Sb Ternary System
Based on the available experimental information, the Au-Bi binary system has been thermodynamically assessed using the CALPHAD method. The solution phases, including liquid, fcc_A1, and rhombohedral_A7, were m...
-
Article
Interfacial reaction between Sn-Bi alloy and Ni substrate
Interfacial reactions between Sn-Bi alloys of different compositions and Ni substrates at 423 K for different durations were investigated. Only one interfacial phase, Ni3Sn4, was detected despite the existence of...
-
Article
Thermodynamic modeling of the Au-In-Sn system
The phase diagram of the Au-In-Sn system is of importance in develo** materials of high performance in electronic packaging as well as in simulating the interfacial reaction between Sn-In and Au. By using th...
-
Article
Thermodynamic modeling of the Au-In-Sb ternary system
The phase diagram of the Au-In-Sb ternary system is of importance in predicting the interface reaction between In-based solders and the Au substrate. Using the calculated phase diagram method and based on expe...
-
Article
Experimental determination and thermodynamic calculation of the phase equilibria in the Cu-In-Sn system
The phase equilibria of the Cu-In-Sn system were investigated by means of the diffusion couple method, differential scanning calorimetry (DSC) and metallography. The isothermal sections at 110–900 C, as well a...
-
Article
Deep levels, electrical and optical characteristics in SnTe-Doped GaSb Schottky Diodes
The GaSb layers investigated were grown directly on GaAs substrates by molecular beam epitaxy (MBE) using SnTe source as the n-type dopant. By using admittance spectroscopy, a dominant deep level with the acti...
