A STUDY OF CASTING CHARACTERISTICS FOR “ （研究铸造特点u201C）.pdf

ME8109: Casting And Solidification of Material A STUDY OF CASTING CHARACTERISTICS FOR “ DIE-CAST ALUMINUM ALLOY” Department of Mechanical Industrial Engineering Graduate Program in Mechanical Engineering Ryerson University ME8109: Casting And Solidification of Material Submitted To: Dr. C.RAVINDRAN Prepared by: Anwar Hussain 1 CASTING CHARACTERISTICS FOR “DIE-CAST ALUMINUM ALLOYS • CONTENTS: • INTRODUCTION • CAST ABILITY • TYPE OF STANDARD DIE CAST ALUMINUM ALLOYS • CHEMICAL COMPOSITION • PHYSICAL AND MECHANICAL PROPERTIES •• CHARACTERISTICS OF DIE CAST ALUMINUM ALLOYS CHARACTERISTICS OF DIE CAST ALUMINUM ALLOYS • COMPARISON DIFFERENT DIE CAST MATERIAL WITH DIE CAST ALALLOY • DIE SOLDERING: • SLUDGE FORMATION • EFFECT OF HOLDING TEMPERATURES FOR SLUDGE FORMATION • SLUDGE FORMATION FACTORS • FLUDITY • FACTORS WHICH EFFECT ON FLUDITY • POROSITY 2 CASTING CHARACTERISTICS FOR “DIE-CAST ALUMINUM ALLOYS INTRODUCTION Die casting technology is one of the mainly applied manufacturing practice In the die casting process the molten metal is injected under pressure into the hardened steel dies . Different casting processes require the alloy to have different casting characteristics. We will define here the different casting characteristics of die cast AL Alloy 1) Cast ability 2) sludge Formation 3) Alloy fluidity 4) Machine ability 5) Die soldering 6) Porosity 7) Macro segregation