Pure iron-zinc intermetallic galvanneal calibration standards

Details Pure iron-zinc intermetallic galvanneal calibration standards Pure iron-zinc intermetallic galvanneal calibration standards

1995-06-02

1997-05-06

Jordan, Charles T.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making articles of indefinite length

419 28, 419 29, 419 38, 419 46, 419 54, 419 55, 75245, 75246, 75950, C22C 104, B22F 324

Patent

active

056280440

ABSTRACT:
High purity iron-zinc intermetallic calibration standards are produced using a slow diffusion technique. The alloys are pure to greater than 99.5 wt % and are homogenous to greater than 98%. The alloys can be used to calibrate instrumentation used to monitor and measure galvanneal and galvanized coatings. The alloy calibration standards for each of the iron-zinc phases allows instrumentation correction factors to be determined for iron-zinc coating analysis.

REFERENCES:
patent: 4540472 (1985-09-01), Johnson et al.
patent: 4543300 (1985-09-01), Hara et al.
patent: 4578158 (1986-03-01), Kanamura et al.
patent: 5316652 (1994-05-01), Sagiyama et al.
Commandeur et al., EP646783, Germany Apr. 5, 1995 Chem Abstact.

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