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EFFECT OF SURFACE ROUGHNESS ON BONDING FORCE OF OFHC COPPER USING EPOXY | ||
| DIYALA JOURNAL OF ENGINEERING SCIENCES | ||
| Article 6, Volume 3, Issue 0, 2010, Pages 34-42 PDF (0 K) | ||
| Author | ||
| Saleh Karem Wheed | ||
| Abstract | ||
| ABSTRACT:- The effect of five different surfaces roughness of Oxygen Free High Conductivity Copper (OFHC) on shear strength of bonding OFHC with Pearlitic Gray Cast Iron (PCI) and Graphite using Epoxy was study. The results demonstrate that the increase of surface roughness increasing shear strength when bonding similar OFHC, but the lowest surface roughness of PCI specimens gave the highest shear strength (5.8MPa with emery paper of grain size ASTM grit 1200). In another hand the results show that the highest shear strength (11MPa) can be obtained with emery paper ASTM grit 800 when bonding similar specimens of graphite. The highest shear strength of dissimilar metal can obtain (7.8MPa) when bonding OFHC to PCI, but the bonding of Copper to graphite gets only 6.9MPa. | ||
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