Apparatus and method for prevention of cracking in welded brittl

Details Apparatus and method for prevention of cracking in welded brittl Apparatus and method for prevention of cracking in welded brittl

1997-07-11

2000-09-19

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, H01L 4108

Patent

active

061217166

ABSTRACT:
An apparatus and method for reducing cracking in a heated material as the material cools. The apparatus includes a variable frequency electric signal generator that is coupled to a transducer. The transducer produces a variable frequency acoustic signal in response to the variable frequency electric signal, which is applied to the heated material to reduce cracking as the material cools.

REFERENCES:
patent: 2415832 (1947-02-01), Mason
patent: 2689947 (1954-09-01), Fry
patent: 2738172 (1956-03-01), Spiess et al.
patent: 2799787 (1957-07-01), Guttner et al.
patent: 2939106 (1960-05-01), Mason
patent: 3285074 (1966-11-01), Elazar
patent: 3591862 (1971-07-01), Winston
patent: 3828773 (1974-08-01), Buch et al.
patent: 4437604 (1984-03-01), Razon et al.
patent: 4440983 (1984-04-01), Facoetti et al.
patent: 4466565 (1984-08-01), Miyazima
patent: 4768615 (1988-09-01), Steinebrunner et al.
patent: 5039978 (1991-08-01), Kronberg
patent: 5251490 (1993-10-01), Kronberg
patent: 5364005 (1994-11-01), Whelan et al.
patent: 5364009 (1994-11-01), Takahashi et al.
patent: 5462604 (1995-10-01), Shibano et al.
patent: 5494207 (1996-02-01), Asanasavest
patent: 5495976 (1996-03-01), Mironesco et al.
patent: 5540807 (1996-07-01), Akiike et al.

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