Application of metallographic specimen preparation methods in plants

The methods of metallographic specimen preparation and matters needing attention in a metallographic laboratory of the iron and steel plant were introduced. The sample preparation process included sample cutting，inlaying，polishing，etching，etc. According to the characteristics of the production enterprises，the specimen preparation requested not only clear and real metallographic structure，but also fast preparation speed and low cost. At the same time，the safety of personnel and equipment should be ensured. In the case of the automatic metallographic have not been popularized，the experience and skill of manual preparation of metallographic specimen was still very necessary.