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Application of Dual - Phase Steel in Deep - Drawing Process | ||
| Engineering and Technology Journal | ||
| Volume 24, Issue 10, October 2005, Pages 34-48 PDF (1.25 M) | ||
| DOI: 10.30684/etj.24.10A.9 | ||
| Author | ||
| Abdulwahab M. AL- Mushehdany | ||
| Production Engineering and Metallurgy Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq. | ||
| Abstract | ||
| Deep drawing was carried out on circular blanks having a thickness of (0.6 mm) from low carbon steel ( 0.07% C ) & dual phase steel using a conical die having die semi - angle of ( 20 ° ) and throat diameter of ( 13.8mm) with punch of ( 12 mm ) diameter . Mixture of graphite powder & mineral oil was used as a lubricant It was found that the limiting drawing ratio ( L. D. R ) for low carbon steel is ( 2.79 ) at the blank diameter of ( 33.5 mm ) and deep drawing was limited by fracture in the cups curvature at blank diameter of ( 34 mm ) while the limiting drawing ratio for the dual phase steel was ( 2.33 ) at the blank diameter of ( 28 mm ) and deep drawing was limited by wrinkling in the flange of the cup . It was also found that the maximum drawing load for dual phase steel is greater than that for low carbon steel for all drawing ratios. | ||
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