Is the material used in the production of machine tools, facilities that we use in everyday life around us, by which these materials will need to be able to perform a function (function) that the part or device is designed? If we consider the properties of different types of materials and various types of materials, structures, we can recognize the various materials that have the same structure and have similar properties and styles specific to a type of material. For easy selection of different materials has been split into 5 groups of large categories are: 1. Metal (Metallic materials) are divided into 3 categories, namely iron copper steel. 2. plastic or polymer types (Polymeric materials).3. type ceramic (Ceramic materials)4. type composite materials (Composite materials)5. type electronics (Electronic materials)
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