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percussion welding

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930023
EISBN: 978-1-62708-359-1
... signal necessary for closed-loop control is normally obtained from a fine wire thermocouple percussion welded to the specimen surface. However, for temperatures above the operating limits of thermocouples, a radiation pyrometer can be employed at some sacrifice in the overall response time of the system...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... and probably the most reliable technique involves the direct attachment of a thermocouple to the part whose temperature must be determined. Typically this is done by percussion welding of the individual thermocouple elements to the part surface approximately 1 to 2 mm (0.04 to 0.08 in.) apart. This procedure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060209
EISBN: 978-1-62708-355-3
.... To this end, temperature is monitored by a thermocouple percussion welded to the specimen surface. Using a function generator, heat input to the specimen is controlled according to a predetermined programmed cycle chosen by the investigator. However, the temperature measured from this thermocouple junction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... press must carry the full forming load exerted by the hydraulic cylinder on the press bed. The load-carrying capability of the frame is achieved by using various designs such as cast (or welded) structures prestressed by forged tie rods or laminated plates assembled through large transverse pins...