Results 11 to 20 of about 1,029,273 (252)

Effects of Al-Si Coating on Static and Dynamic Strength of Spot-Welded Hot-Stamping Steel Joints

open access: yesMetals, 2021
Al-Si is the most popular coating used to prevent oxidation on the surfaces of hot-stamped steel sheets during the heating process. However, like other coatings, it affects the strength of the spot welds in joining the hot-stamped steel parts.
Ali Afzal   +2 more
doaj   +2 more sources

Effect of Al-Si Coating on the Interfacial Microstructure and Corrosion Resistance of Dissimilar Laser Al Alloy/22MnB5 Steel Joints

open access: yesMetals
This investigation employed different laser powers to conduct the laser welding–brazing process of 5052 aluminum alloy to both Al-Si coated and uncoated 22MnB5 steel. The flux-cored Zn-Al22 filler metal was employed during the procedure. The influence of
Lingqing Wu   +8 more
doaj   +2 more sources

Enhancement of Fatigue Endurance by Al-Si Coating in Hot-Stamping Boron Steel Sheet

open access: yesMetals, 2019
Most structural components undertake cyclic loads in engineering and failures always cause catastrophic economic losses and casualties. In the present work, the phase evolution of Al-Si coating of high-strength boron steel during hot stamping was ...
Yuqiang Li   +6 more
doaj   +2 more sources

A Study of the Laser Removal Process of Al-Si Coating from 22MnB5 Steel

open access: yesMaterials, 2023
22MnB5 hot forming steel is widely used in the automotive industry due to the increasing demand for lightweight vehicles. As surface oxidation and decarburization occur during hot stamping processes, an Al-Si coating is often precoated on surfaces.
Tao Zhang   +4 more
semanticscholar   +1 more source

Effect of Pre-Oxidation on High-Temperature Oxidation Behavior of Al-Si Coating on Nickel-Based Superalloy

open access: yesMaterials, 2022
Under the condition of long-time high-temperature oxidation, oxidation in Al-Si coating will lead to degradation of the coating. To solve this problem, the Al-Si coating was treated before the oxidation experiment at different pre-oxidation temperatures ...
Yanmei Li   +3 more
semanticscholar   +1 more source

Phase Composition of Al-Si Coating from the Initial State to the Hot-Stamped Condition

open access: yesMaterials, 2021
The chemical and phase composition of the coating and the coating/substrate interface of an Al-Si-coated 22MnB5 hot stamped steel was investigated by means of SEM-EDS, XRD, micro-XRD and electron diffraction. Moreover, the surface profile was analyzed by
V. Kucera   +7 more
semanticscholar   +1 more source

Influence of Multi-Step Heating Methods on Properties of Al–Si Coating Boron Steel Sheet

open access: yesCoatings, 2021
In this study, the influence of the multi-step heating methods, such as two-step heating methods and three-step heating methods, on the properties of Al–Si coating boron steel sheet were evaluated by using the Gleeble-3500 thermal simulator.
W. Liang   +6 more
semanticscholar   +1 more source

Thermal cyclic resistance and long term inter-diffusion properties of slurry aluminide coatings modified with Si

open access: yesResults in Surfaces and Interfaces, 2022
High temperature oxidation resistant aluminide coatings fail due to their inability to maintain a protective scale. The corresponding mechanism of protection is based on of forming a thin Al2O3 layer, which depends on the availability of Al at the ...
Alina Agüero   +3 more
doaj   +1 more source

Nano-scale analysis of titanium dioxide fingerprint-development powders [PDF]

open access: yes, 2008
Titanium dioxide based powders are regularly used in the development of latent fingerprints on dark surfaces. For analysis of prints on adhesive tapes, the titanium dioxide is suspended in a surfactant and used in the form of a small particle reagent ...
A J Reynolds   +6 more
core   +1 more source

Phase assemblage and wear resistance of laser-cladding Al0.8FeCoNiCrCu0.5Six high-entropy alloys on aluminum

open access: yesMaterials Research Express, 2020
Preparing a coating with excellent mechanical properties on aluminum substrates by laser cladding has always been challenging because of the low melting point and high chemical activity of Al. In this study, we designed Al _0.8 FeCoNiCrCu _0.5 Si _x (x = 
Yanzhou Li, Yan Shi
doaj   +1 more source

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