Method and apparatus for determining weldability of thin sheet m

Details Method and apparatus for determining weldability of thin sheet m Method and apparatus for determining weldability of thin sheet m

1986-03-31

1988-08-16

Cuchlinski, Jr., William A.

Measuring and testing

Sheet, woven fabric or fiber

73834, 228103, B21D 704, B23K 2008

Patent

active

047635215

ABSTRACT:
A fixture is provided for testing thin sheet metal specimens to evaluate hot-cracking sensitivity for determining metal weldability on a heat-to-heat basis or through varying welding parameters. A test specimen is stressed in a first direction with a load selectively adjustable over a wide range and then a weldment is passed along over the specimen in a direction transverse to the direction of strain to evaluate the hot-cracking characteristics of the sheet metal which are indicative of the weldability of the metal. The fixture provides evaluations of hot-cracking sensitivity for determining metal weldability in a highly reproducible manner with minimum human error.

REFERENCES:
patent: 2600029 (1952-06-01), Stone
patent: 3201977 (1965-08-01), Kutsay
patent: 3645130 (1972-02-01), Million et al.
patent: 4569126 (1986-02-01), Weber
"The Varistraint Test" by C. D. Lundin, et al., Bulletin 280, Aug. 1982, Welding Research Council, United Engineering Center.

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