Mastering SPIF Experimentation
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Questions and Answers

What are the two experimental procedures for determining if a sheet metal part of a specific material can be made by SPIF?

  • Principal strain-space (e1, e2) and conventional circle-grid analysis
  • Conventional circle-grid analysis and maximum drawing angle cmax (correct)
  • None of the above
  • Maximum drawing angle cmax and principal strain-space (e1, e2)
  • What is the theoretical background behind using cmax as a criterion of failure?

  • It is related to the principal strain-space (e1, e2)
  • There is no theoretical background behind using cmax as a criterion of failure (correct)
  • It is related to the thickness of the sheet t0
  • It is related to the conventional circle-grid analysis
  • What is one of the aims of the present paper?

  • To introduce a new experimental procedure
  • To provide the missing background by relating the two experimental procedures (correct)
  • To compare the two experimental procedures
  • To criticize the two experimental procedures
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