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Abstract
Phase changing materials play very important role in design of actuators and sensors in many equipment. Allow of copper, Zinc and Aluminium exhibits shape memory features. In presented experimental investigation, Cu74Zn22 Al4(Wt.%) was prepared by mechanical alloying using high energy ball milling process. By mechanical alloying, nano-crystalline features were developed. Powder was converted into pellets and sintered and forged for optical metallography characterization. DTA/TGA analysis was performed to exhibits shape memory features. When shape memory material changes its phase, energy in form of heat either released or absorbed. Optical metallographs indicates that sintered and forged samples exhibits different features.
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Details
1 Department of Mechanical Engineering GLA University Mathura