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Materials and Methods
Materials Used and Alloy Synthesis Procedure

Sample Preparation

Characterization Techniques
Optical Microscopy

X-Ray Diffraction (XRD)

Mechanical Testing
Density Measurement
Hardness Testing
Wear Testing (Pin-on-Disc)
Results and Discussion

Microstructural Analysis

XRD Phase Analysis

Density Measurements

Hardness Results

Wear Test Results

ingots

Sectioning with wire-cutting machine

Machining and sectioning

with diamond cutter

Metallographic analysis

Wear testing
Cold mounting

Grinding and polishing

Cleaning

Dried and stored in desiccator

Machining to 10 mm diameter and 20 mm height

Preparation of Cu-Zn-Al alloys
Copper melted in SiC crucible
Aluminum pieces added gradually

Zinc is purged and melt stirred

Cast into pre-heated steel die
Solidification of alloy ingots
Cooling of ingots to room temperature

mmm

by mmmm

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