In stretch forming, forming limit curve (FLC) is defined as a locus of all the limit strains in different strain paths of the sheet metal.(a) True(b) FalseThis question was posed to me in a job interview.This interesting question is from Stretch Forming topic in chapter Miscellaneous Forming Processes of Casting-Forming-Welding II

In stretch forming, forming limit curve (FLC) is defined as a locus of

1.	In stretch forming, forming limit curve (FLC) is defined as a locus of all the limit strains in different strain paths of the sheet metal.(a) True(b) FalseThis question was posed to me in a job interview.This interesting question is from Stretch Forming topic in chapter Miscellaneous Forming Processes of Casting-Forming-Welding II
Answer» Right ANSWER is (a) True The explanation is: In stretch metal forming process, the forming LIMIT curve (FLC) provides quantification about the formability of sheet metal, which basically gives the details about the quality of material. The forming limit curve (FLC) is generally defined as a locus of all the limit strains in different STRAIN paths like deep drawing and biaxial STRETCHING, of the sheet metal.

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