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Zinc alloys

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Journal Article

Effect of Fuel-to-Air Ratio on Oxidation and Interfacial Structure in Galvanizing of a Dual-Phase Steel
2021-04-19
Abstract Automotive-grade high-strength steels are galvanized for improved corrosion resistance. However, selective oxidation of alloying elements during annealing heat-treatment may influence the subsequent zinc (Zn) coating quality. The formation of internal and external oxides depends on the alloy composition, especially the Si/Mn ratio, and the oxygen potential of the annealing atmosphere. In this work, a dual-phase (DP) steel was intercritically annealed with varied fuel-to-air ratios in a direct-fired furnace and then galvanized in a Zn bath with 0.2 wt% Al. The type of internal and external oxides and the interfacial structures between the steel substrate, the Al-Fe-Zn inhibition layer, and the Zn coating were examined by using site-specific focused ion beam (FIB) and transmission electron microscopy (TEM).
Standard

ELECTROPLATE REQUIREMENTS FOR DECORATIVE CHROMIUM DEPOSITS ON ZINC BASE MATERIALS USED FOR EXTERIOR ORNAMENTATION
1991-06-01
HISTORICAL
J1837_199106
This SAE Standard covers the physical and performance requirements for electrodeposited copper, nickel, and chromium deposits on exterior ornamentation fabricated from die cast zinc alloys (SAE J468 alloys 903 and 925), and wrought zinc strip (ASTM B 69). This type of coating is designed to provide a high degree of corrosion resistance for automotive, truck, marine, and farm usage where a bright, decorative finish is desired.
Standard

Electroplate Requirements for Decorative Chromium Deposits on Zinc Base Materials Used for Exterior Ornamentation
2017-12-20
CURRENT
J1837_201712
This SAE Standard covers the physical and performance requirements for electrodeposited copper, nickel, and chromium deposits on exterior ornamentation fabricated from die cast zinc alloys (SAE J468 alloys 903 and 925), and wrought zinc strip (ASTM B 69). This type of coating is designed to provide a high degree of corrosion resistance for automotive, truck, marine, and farm usage where a bright, decorative finish is desired.
Standard

Electro-Deposition of Gold
2018-02-15
CURRENT
AMS03_17A
This SAE Standard specifies the requirements for the electro-deposition of gold on ferrous-base materials, copper-base materials, aluminum-base materials, zinc-base materials and nickel-base materials for MOD use. It is primarily intended for use on electrical and electronic items which are to be plated with gold to: a Increase the electrical conductivity of the surface. b Provide a solderable surface.
Standard

Electro-Deposition of Gold
2015-04-30
HISTORICAL
AMS03_17
This SAE Standard specifies the requirements for the electro-deposition of gold on ferrous-base materials, copper-base materials, aluminum-base materials, zinc-base materials and nickel-base materials for MOD use. It is primarily intended for use on electrical and electronic items which are to be plated with gold to: a Increase the electrical conductivity of the surface. b Provide a solderable surface.
Standard

Desiccant Port and Desiccant Holder
2005-10-28
CURRENT
AS5135
This SAE Aerospace Standard (AS) describes the characteristics of a desiccant port installed through the flat wall of a shipping and storage container. With the cover removed, the desiccant port shall provide access to the interior of the container for installation and removal of desiccant.
Standard

Protection of Aluminum Alloys by Sprayed Metal Coatings
2015-04-27
HISTORICAL
AMS03_3
This SAE Standard specifies the requirements for the application of sprayed metal coatings of aluminum, zinc, or aluminum-zinc based alloys for the protection of aluminum alloys against corrosion. It does not cover the metal spraying of aluminumarmour materials, which should be treated in accordance with the requirements of Def Stan 08-39.
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