中文摘要：

回顾了电磁约束成形技术的发展过程，通过分析圆形、椭圆形等不同横截面形状的纯铝、不锈钢以及高温合金等金属试样的电磁约束成形过程，从感应器结构、屏蔽罩插入深度、材料性状及抽拉速率等方面出发，详细论述了电磁约束成形定向凝固过程的技术特点，并阐述了电磁约束成形定向凝固技术的优缺点，指明了其今后的发展方向。

英文摘要：

The development of electromagnetic confinement and shaping technology is reviewed and its technical features is discussed in detail by analyzing the shape of inductor, the insert depth of screen, the materials characteristics and pulling rates in round and other cross section shape samples of aluminum, stainless steel, superalloy and ot hers. The advantages and disadvantages of electromagnetic confinement and shaping technology and its development prospects are pointed out at last.