Name……………………………………… HW 7 Due February 26, 2013 ALUMINUM Using data obtained from the paper ‐ Marine Aluminum Plate by H Bushfield ‐ and the aluminum‐magnesium phase diagram answer the following questions 1 Question What is the atomic number of aluminum 2 What is the atomic mass of aluminum 3 What is the valency of aluminum 4 What is the crystal structure of aluminum 5 What is the weight percent magnesium in 5083 Alloy 6 What is the weight percent magnesium in 5086 Alloy 7 Using the mean values of weight percent magnesium for both alloys calculate the percent beta phase in each alloy. 8 Define the H321 temper and resulting microstructure 9 Define the H116 temper and resulting microstructure Answer