Abstract
In recent years demand for miniature products having complex shapes, compact size and high surface finish are increasing by leaps and bounds in many domains like electronics, medical, chemical processing etc. Such products are required to be fabricated from brittle materials like silicon as well ductile materials like metals. The major challenges in the fabrication of these products are to achieve high form accuracy, high dimensional tolerance, and excellent surface finish. Therefore, there is an ongoing effort to develop technologies to accomplish such objectives and micro-grinding is one of the latest additions in the league. Micro-grinding tools are fabricated through chemical vapour deposition, electroforming, electroplating, electroless coating, and sintering. The present work reviews different routes for fabrication of micro-grinding tools and their performance while processing different ductile as well as brittle work materials. Special focus is given on grinding performance and failure of the tools fabricated through different routes.
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