Metallic metals are governed by their mechanical properties. Ductility and Strength two most significant properties behave as two opposite poles while metal is manufactured by conventional methods. Additive manufacturing however acts as a bridge binding two into more of a proportional relationship. Additive manufacturing commonly referred as 3D Printing reduces the tact time along with high dimensional accuracies hence it has turned out to be the most researched technologies in the recent times. Out of several 3D Printing methods Selective laser melting and Electron beam melting prove more efficient in increasing the strength along with ductility by significantly altering the grain structure thus creating an array of properties which are different from their contemporaries. The paper deals with the effects of the two processes along with the challenges faced due to the defects risen during the processing in order to optimally decide the process to be taken up for a selected metallic metal
As we know additive manufacturing helps in reducing the manufacturing time as well as helps in advancing the complexity of the structure. Along with several benefits the method proposes it is very important to keep a track on what how many properties are adversely affected or benefited which helps in optimized planning and projects a significant improvement when kept parallel to the cost efficiency of the product. In order to have such kind of observation it is necessary to map the granular trajectory of the material while going through the process. While additive manufacturing is largely implied upon polymers and metals to a certain extent, ceramics have also seen their part of technological advancement. Both metal and ceramics are equally important and opposite to one another. If somehow, we are able to exploit the benefits of both the materials while on additive manufacturing arena the compound would be highly cost efficient and customization friendly. This paper discusses the micro structural properties and evolution of both metals and ceramics and also on metal matrix composites which are highly in demand in recent times.
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