Relevant bibliographies by topics / Zn-5Al

Academic literature on the topic 'Zn-5Al'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Zn-5Al"

1

Kostolný, Igor, and Roman Koleňák. "Effect of in Addition to Zn-5Al Solder on Microstructure and Properties of Solder Joints." Key Engineering Materials 723 (December 2016): 357–62. http://dx.doi.org/10.4028/www.scientific.net/kem.723.357.

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The effect of In addition to Zn-5Al on the interfacial reaction behaviors and mechanical properties of solder joints were investigated. It was found that addition of In decreasing the melting point of Zn-5Al solder. The segregation of In on grain boundary was observed. CuZn5 and Cu5Zn8 intermetallic phases were observed at joint interface. Segregation of In on grain boundary caused a significant decrease of strength of the Zn-5Al-In solder compared to Zn-5Al. Addition of 1% In to Zn-5Al solder resulted in a reduction of shear strength of 14 MPa. The interfacial microstructure, shear strength and fracture surfaces of Zn-5Al/Cu and Zn-5Al-1In/Cu solder joints were studied.
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Koleňák, Roman, and Igor Kostolný. "Effect of in Addition on Microstructure and Properties of Zn-5Al Solder." Key Engineering Materials 737 (June 2017): 107–13. http://dx.doi.org/10.4028/www.scientific.net/kem.737.107.

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The effect of In addition on melting behaviors, microstructure and properties of Zn-5Al solder were investigated. It was found that addition of In decreasing the melting point of Zn-5Al solder. XRD analysis confirmed the presence of Indium in form of α-Zn+β-In solid solution. The segregation of In on grain boundary was observed. Segregation of In on grain boundary caused a significant decrease of strength of the Zn-5Al-In solder compared to Zn-5Al.
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3

Li, Shiwei, Bo Gao, Ganfeng Tu, Yi Hao, Liang Hu, and Shaohua Yin. "Study on the Corrosion Mechanism of Zn-5Al-0.5Mg-0.08Si Coating." Journal of Metallurgy 2011 (June 1, 2011): 1–5. http://dx.doi.org/10.1155/2011/917469.

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A new type of hot-dip Zn-5Al-0.5Mg-0.08Si and Zn-5Al alloy coatings was performed on the cold rolled common steel. The hot-dip process was executed by self-made hot-dip galvanising simulator. SEM and EDS test results demonstrated that Mg was mainly distributed in crystal boundaries. XRD test results showed that the corrosion product of Zn-5Al-0.5Mg-0.08Si alloy coating was almost Zn5(OH)8C12⋅H2O. The features of Zn5(OH)8C12⋅H2O are low electric conductivity, insolubility and good adhesion.The corrosion resistance of alloy-coated steels was detected by neutral salt spray test. The microstructural characterization of the coating surface after neutral salt spray test and removing the corrosion products revealed that the corrosion process of Zn-5Al-0.5Mg-0.08Si coating was uniform and the coating surface was almost flat. As a result, the corrosion resistance of Zn-5Al-0.5Mg-0.08Si coating has a remarkable improvement with a factor of 9.2 compared with that of Zn-5Al coating.
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4

Demirtas, Muhammet, Harun Yanar, Onur Saray, and Gençağa Pürçek. "Room Temperature Superplasticity in Fine/Ultrafine-Grained Zn-Al Alloys with Different Phase Compositions." Defect and Diffusion Forum 385 (July 2018): 72–77. http://dx.doi.org/10.4028/www.scientific.net/ddf.385.72.

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Three Zn-Al alloys, namely Zn-22Al, Zn-5Al and Zn-0.3Al, were subjected to equal-channel angular pressing (ECAP), and the effect of ECAP on their microstructure and room temperature (RT) superplastic behavior were investigated in detail referring to previous studies reported by the authors of the current study. ECAP remarkably refined the microstructures of three alloys as compared to their pre-processed conditions. While the lowest grain size was achieved in Zn-22Al alloy as 200 nm, the grain sizes of Zn-5Al and Zn-0.3Al alloys were ~540 nm and 2 µm, respectively, after ECAP. After the formation of fine/ultrafine-grained (F/UFG) microstructures, all Zn-Al alloys exhibited superplastic behavior at RT and high strain rates. The maximum superplastic elongations were 400%, 520% and 1000% for Zn-22Al, Zn-5Al and Zn-0.3Al alloys, respectively. It is interesting to point out that the highest RT superplastic elongation was obtained in Zn-0.3Al alloy with the largest grain size, while Zn-22Al alloy having the lowest grain size showed the minimum superplastic elongation. This paradox was attributed to the different phase compositions of these alloys. The formation of Al-rich α/α phase boundaries, where grain boundary sliding is minimum comparing to Zn-rich η/η and η/α phase boundaries of Zn-Al alloys, is the lowest level in Zn-0.3Al alloy among all the alloys. Therefore, it can be concluded that if it is desired to achieve high superplastic elongation in Zn-Al alloys at RT, keeping Al content at a possibly minimum level seems to be the most suitable way.
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5

IDO, Yasuyuki, Syuichi YOSHIMURA, and Hideki HAGI. "K-1024 Aqueous Corrosion of Zn-5Al Plated Steel." Proceedings of the JSME annual meeting I.01.1 (2001): 537–38. http://dx.doi.org/10.1299/jsmemecjo.i.01.1.0_537.

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6

AMINI, REZA, Z. NIZOMOV, M. RAZAZI, I. N. GANIEV, and Z. R. OBIDOV. "Temperature Dependence of Thermodynamic Properties of Zn-5Al and Zn-55Al Alloys With Magnesium." Oriental Journal Of Chemistry 28, no. 2 (June 18, 2012): 841–46. http://dx.doi.org/10.13005/ojc/280225.

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7

Rzychoń, Tomasz. "Microstructure and Creep Properties of Selected Gravity Casting Magnesium Alloys." Key Engineering Materials 682 (February 2016): 372–79. http://dx.doi.org/10.4028/www.scientific.net/kem.682.372.

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In this paper microstructure and creep properties of Mg-Al-Ca-Sr, Mg-Zn-RE-Zr and Mg-Sn-Si gravity casting magnesium alloys are presented. The microstructure was characterized using light microscopy, scanning and transmission electron microscopy. Phase identification was made by SAED and XRD analysis. Creep tests were carried out in the temperature range from 180°C to 200°C at applied stress of 60 MPa. Microstructure of Mg-Al-Ca-Sr alloys composed of α-Mg grains and C36, C15 and C14 intermetallic compounds in the interdendritic regions. In case of Mg-Zn-RE-Zr alloys the dominant intermetallic compound is (Mg,Zn)12RE phase also located in the interdendritic regions. Microstructure of Mg-Sn-Si alloys after T6 heat treatment consists of plate-like precipitates of Mg2Sn phase, primary crystals of Mg2Si phase and globular Mg2Si phase. Among the alloys in this study, the low-cost Mg-5Al-3Ca-0.7Sr alloy has the best creep resistance. The other alloys, excluding the Mg-5Si-7Sn alloy, are characterized by a poorer creep resistance in compared to Mg-5Al-3Ca-0.7Sr alloy, however their creep resistance is better if compared to typical Mg-Al alloys. Creep resistance of Mg-5Si-7Sn alloy is very low.
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8

Kato, Fumiki, Hiroki Takahashi, Hidekazu Tanisawa, Kenichi Koui, Shinji Sato, Yoshinori Murakami, Hiroshi Nakagawa, Hiroshi Yamaguchi, and Hiroshi Sato. "Evaluation of Thermal Resistance Degradation of SiC Power Module Corresponding to Thermal Cycle Test." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2017, HiTEN (July 1, 2017): 1–5. http://dx.doi.org/10.4071/2380-4491.2017.hiten.223.

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Abstract In this paper, we demonstrate that thermal degradation of silicon carbide (SiC) power modules corresponding to thermal cycles can be detected and tracked non-destructively by transient thermal analysis. The purpose of this evaluation is to analyze the distribution of the thermal resistance in the power module and to identify the structure deterioration part. As a target for evaluation power modules using a SiC-MOSFET for high-temperature operation were assembled with Zn-5Al eutectic solder. The junction to case thermal resistance was successfully evaluated as 0.85 K/W by using transient thermal analysis, and the thermal resistance of the Zn-5Al die-attachment was also evaluated as 0.13 K/W. A series of thermal cycle test between −40 and 250°C was conducted, and the power modules were evaluated their thermal resistance taken out from thermal cycle test machine at 100, 200, 500 and 1000 cycles. We identified the increase of thermal resistance each thermal cycle in specific modules. It was successfully shown that thermal resistance deterioration of SiC power module corresponding to thermal cycles can be traced non-destructively by this transient thermal analysis method.
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9

Ben Hamu, Guy, Polina Metalnikov, Dan Eliezer, and Kwang Seon Shin. "Corrosion Mechanisms of New Wrought Mg-Al Based Alloys Alloying with Mn, Zn and Sn." Materials Science Forum 941 (December 2018): 1880–85. http://dx.doi.org/10.4028/www.scientific.net/msf.941.1880.

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The low density and high strength/weight ratio of magnesium (Mg) and magnesium alloys make them promising candidate materials in light-weight vehicle industries, such as automobile and aerospace, where poor corrosion resistance is a major obstacle in many of their wide-spread applications. Addition of alloying elements with production of wrought Mg alloys with finer microstructure results in enhanced mechanical properties and corrosion resistance. The aim of this research is to study the changes in microstructure caused by addition of alloying elements (zinc (Zn), and tin (Sn)) to new wrought Mg-5Al alloy, and their influence on the alloy's corrosion behavior. The microstructure was investigated using optical and electron microscopy and EDS. The corrosion behavior was analyzed through electrochemical measurements and immersion test. It was found that the corrosion resistance of Mg-5Al alloy was improved by addition of alloying elements, and the amounts of these elements strongly influenced the corrosion behavior of the alloys. Nevertheless, the influence of alloying elements is different for short-term and long-term immersion periods, since the mechanisms of corrosion initiation and corrosion propagation are different.
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10

Xiao, Wenlong, Shusheng Jia, Jianli Wang, Jie Yang, Lidong Wang, and Limin Wang. "Effects of rare earth on the structure and properties of Mg–6Zn–5Al–4Gd–1RE (RE = Ce or Y) alloys." Journal of Materials Research 23, no. 10 (October 2008): 2609–21. http://dx.doi.org/10.1557/jmr.2008.0343.

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The microstructures and mechanical properties of Mg–6Zn–5Al–4Gd–1RE (RE = Ce or Y) alloys were investigated. The addition of Ce or Y obviously refines the grain size for the Mg–6Zn–5Al–4Gd-based alloy, while the Y element has a better refining effect. The Ce and Y show different grain-refining mechanisms: Ce addition mostly promotes the growth of secondary dendrite, while Y addition mainly increases the heterogeneous nucleation sites. The hardness-versus-aging time curves indicate that all the alloys have excellent aging-hardening behavior, but the response to maximum hardness was delayed by the Ce or Y addition. The microstructure observation of the peak-aged alloys indicated a large number of nanocrystalline τ-Mg32(Al, Zn)49 precipitates in the matrix. The Y addition is beneficial to improve the mechanical properties, and the alloy has optimal values. However, the Ce addition decreases the ultimate tensile strength and elongation of the alloy due to formation of a lot of shrinkage porosities.
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Conference papers on the topic "Zn-5Al"

1

Zhang, Han, Zhiwen Chen, Juan Pengv, and Li Liu. "Diffusion barrier properties of electroless Ni-Fe-P coatings in Zn-5Al solder joints." In 2018 19th International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2018. http://dx.doi.org/10.1109/icept.2018.8480584.

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