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Abstract
A close look at the production of ceramic parts reveals that manufacturing cost and flexibility are determined less by the material used or by processing, but rather by fine machining. Finish-machining of the functional surfaces of a part is unavoidable in most cases, and the difficulties involved in machining ceramics can result in up to 80% of the part cost being incurred during this stage. A number of investigations have therefore been undertaken on common finishing methods such as lapping and polishing with a view to making finish machining economical, and at the same time more reliable in terms of quality.