The Influence of the Graphite Content and Milling Time on the Hardness, Compressive Strength and Wear Volume of Copper - Graphite Composites Prepared Via Powder Metallurgy. Tikrit j. eng. sci. [Internet]. 2017 Sep. 30 [cited 2026 Sep. 9];24(3):38-44. Available from: https://tj-es.com/ojs/index.php/tjes/article/view/234