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Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products

Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products. Curtis Prothe Technical Manager DMC Clad Metal Mt. Braddock, PA. Andy Vargo R&D Engineer DMC Clad Metal Mt. Braddock, PA.

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Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products

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  1. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products Curtis Prothe Technical Manager DMC Clad Metal Mt. Braddock, PA Andy Vargo R&D Engineer DMC Clad Metal Mt. Braddock, PA

  2. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products • Introduction • Experimental Procedure • Test Results and Discussion • Conclusions

  3. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products • Cladding metal thickness typically too thin for tensile test coupon • Clad specifications do not require clad tensile testing or identify minimum strength requirements • Shear testing is common, but clad tensile strength data limited

  4. Crude Distillation Column • Internal components attached to column walls • Tensile strength data supports analysis of direct attachment to the clad surface

  5. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products • Testing program initiated by DMC to investigate clad tensile strength • Test broad range of clad combinations • Compare results with cladding metal and base metal mechanical properties and shear strength data

  6. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products • Test material selected from production plates produced at DMC between Jan-Jul 07 • Cladding metal thickness>=9.5mm • Heat treatment = production plate HT • Tests machined and tested from same test block • Shear • Subsize Clad Tensile (6.4mm gauge diameter) • Base Metal Tensile

  7. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products

  8. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products

  9. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products

  10. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products

  11. Shear Strength vs. Tensile Strength

  12. Stainless Steel and Nickel Alloy Shear Strength vs. Tensile Strength

  13. Copper Alloy Shear Strength vs. Tensile Strength

  14. Titanium CladShear Strength vs. Tensile Strength

  15. Comparative Tensile Strength and Shear Strength of Detaclad Explosion Clad Products Conclusions: • Clad tensile strength > clad shear strength • Tensile strength of SS, nickel alloy explosion weld > carbon steel tensile strength • Clad tensile strength of Cu alloy and titanium clad well above minimum tensile strength of cladding metals • Good correlation between base metal through thickness and transverse tensile strength • All of the base metal tensile tests after cladding were compliant

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