小学科学实验和科技制作中常碰到材料的粘接问题。材料粘接是一项方便实用的技术,但有一定的操作要求。要根据材料的特性,选用适宜的胶粘剂和粘接方法。这里介绍常用粘接工艺和几种常见材料的粘接方法。一、材料粘接的接头形式材料粘接时,接头的形式对粘接物的强度影响很大。推 Primary science experiment and technology production often encounter the problem of bonding materials. Material bonding is a convenient and practical technology, but there are certain operational requirements. According to the characteristics of the material, select the appropriate adhesive and bonding methods. Here are common bonding process and several common materials bonding method. First, the form of material bonding joints Material bonding, the form of the joints have a great impact on the strength of the adhesive. Push