Wear and coating of tillage tools: A review

Tillage tools are the main soil engaging implements facing high abrasive wear. This paper provided an overview of the research findings published in the area of wear and coating of tillage tools. Many researchers across the world have studied on the wear behavior, coating materials and methods of the tillage implements. In the previous studies coating methods and materials were used to resist the tillage tools against the wear phenomena. The effect of soil type on the wear of parts of impalements is investigated and reported in various research works. Draft force of the coated of the parts of tillage implements have also been measured and compared against the uncoated ones and presented in various publications. Many other scientists have considered and worked on the modelling of the wear of tillage tools. Several parameters such as tool geometry, soil properties including moisture content and soil texture and performance parameters of tillage tools such as forward speed and depth have been noticed in the wear modelling. The reviewed studies indicated that the wear rate of tillage implements increases with the increase of the size of sand particles in the soil. The previous investigations showed the less consumption of draft force by the coated tillage tools. This review helps those who are interested in work on the wear behavior aspects of the soil engaging implements and the coating of soil tillage tools.