IC693MDL634
IC693MDL634
1）碳素结构钢和合金结构钢这类材料强度好，特别是合金结构钢，其强度*了4～5倍，弹性模量E大，*变形能力强，是应用****广泛的材料。
2）铝、铝合金及其他轻合金材料这类材料的共同特点是重量轻，弹性模量E并不大，但是材料密度小，故E/ρ之比仍可与钢材相比。有些稀贵铝合金的品质得到了更明显的****，例如添加3.2％(重量百分比)锂的铝合金，弹性模量增加了14％，E/ρ比增加了16％。
3）纤维增强合金这类合金如硼纤维增强铝合金、石墨纤维增强镁合金等，其E/ρ比分别达到11.4×107和8.9×107。这种纤维增强金属材料具有非常高的E/ρ比，但价格昂贵。
4）陶瓷陶瓷材料具有良好的品质，但是脆性大，不易加工，日本已经试制了在小型*机器人上使用的陶瓷机器人臂样品。
5）纤维增强复合材料这类材料具有****好的E/ρ比，而且还具有十分突出的大阻尼的优点。传统金属材料不可能具有这么大的阻尼，所以在高速机器人上应用复合材料的实例越来越多。
6）粘弹性大阻尼材料*机器人连杆件的阻尼是****机器人动态特性的有效方法。目前有许多方法用来增加结构件材料的阻尼，其中****适合机器人采用的一种方法是用粘弹性大阻尼材料对原构件进行约束层阻尼处理。
IC693MDL634 
IC693MDL634
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