The gouging abrasion resistance, hardness and microstructural properties of austenitic manganese steel were investigated as influenced by the varying amount of titanium addition. The gouging abrasion of the steel sample with 0.1 % titanium had the least amount of material loss and showed the highest work hardening effect. The alloying process to 0.2 % was detrimental to its mechanical properties. There was an increase in the hardness from 0 to 0.1 % titanium addition and a decrease at 0.2 % titanium content. Metallurgical surface examination of the unmodified austenitic manganese steel revealed the formation of manganese sulfide micronodules and grain boundary carbide. The titanium modified austenitic manganese steel showed titanium-containing precipitates, which increases the strength and toughness of the steel material as well as the resistance of the material to slip and plastic deformation through the precipitation hardening and grain size refinement mechanisms.
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