Manufacture of a metallic molded structural part

Details Manufacture of a metallic molded structural part Manufacture of a metallic molded structural part

1997-10-14

1999-10-26

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148639, 148641, 148643, 148646, C22C 3838

Patent

active

059721340

ABSTRACT:
The invention is directed to a process for the manufacture of a metallic molded structural part (1) for motor vehicle components such as door impact girders or bumpers with areas (2) with a higher ductility in relation to the rest of the structural component part. For this purpose, partial areas (2) of a plate (5) are initially heated to a temperature of 900.degree. C. within a period of less than 30 seconds. Subsequently, the thermal-treated plate (5') is shaped in a pressing tool (7) to form the molded structural part (1) and is heat-treated in the pressing tool (7).

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