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Daya Serap Energi Tumbuk dari Logam Paduan Tembaga-Aluminium

Harsono Wiryosumarto, Komang Bagiasna, Agus Hidayat & Hendra lndra Wirawan


Abstract. Many components of mechanical machinery, during their service, undergo impact forces frequently. Therefore in selecting the material for these components, both its strength and its capacity in absorbing impact energy should be taken into consideration. In this work the capacity to absorb impact energy which is then converted into elastic deformation energy of seven Cu-Al alloys is studied and related to their modulus of elasticity. The result of the study shows that elastic modulus is more influenced by microstructure of the alloy than by its chemical composition. Further more it confirms that the higher its elastic modulus the lower its impact energy absorbing capacity.


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