中国古代铸剑工艺及化学(课堂PPT).ppt

Chinese Ancient swords and Chemistry;;How to make a sword?;put the iron ore into the furnace and keep burning it until it melt .Then hammer it over and over again and make it into semifinished product by carburizing technology . 将铁块在炉中烧熔，经渗碳工艺制成剑坯，反复多次. ;;surform the sword with steely knivfe .make sure the sword is neither too thick nor too thin and there is a certain slope bewteen the ridge of sword and the edge of sword. The ridge of sword shall be in the middle and in a straight line. 用钢刀削锉，使剑身厚度适中，剑脊与剑刃之间呈 一 定坡度，剑脊须居剑身正中，并成一直线。;;Put the sword that has been surformed on the stone and polish it with emey cloth.The time speeding here should be twice than it speeding in hammerblowing and surforming. 将已锉之剑置于厝石上磨光。用金钢沙布裹铁尺均匀磨擦。先用粗沙布粗磨，后用细沙布细磨。磨光之工倍于锤打与刨锉。 ;;After polishing the sword,Use steel clip to carve patterns on the sword.fill in red copper and make the sword shining via chemical treatment. 磨光后，在剑身上用钢针镂刻图案，嵌上赤铜，经化工处理，使青光剑身上呈现金色。 ;put the hot sword into special quenching liquid in order to make the sword better. 将热的剑身放入冷的特殊淬火剂中冷却，提高剑的性能。 ;;Put the sword on the stone and polish it with emey cloth again。 将已具弹性之剑，再用钢块磨砺。;THANK YOU!!!!