本文目录一览:
- 1、合金属于金属材料还是合成材料?
- 2、合金是合成材料吗?具体些!
- 3、合金是不是合成材料?为什么
- 4、合金属于什么材料是合成材料还是复合材料
- 5、合金是合成材料吗?有何依据?
合金属于金属材料还是合成材料?
合金属于金属材料。
合金,是由两种或两种以上的金属与金属或非金属经一定 *** 所合成的具有金属特性的物质。一般通过熔合成均匀液体和凝固而得。根据组成元素的数目,可分为二元合金、三元合金和多元合金。
合金中组成相的结构和性质对合金的性能起决定性的作用。同时,合金组织的变化即合金中相的相对数量、各相的晶粒大小,形状和分布的变化,对合金的性能也发生很大的影响。因此,利用各种元素的结合以形成各种不同的合金相,再经过合适的处理可能满足各种不同的性能要求。
各类型合金都有以下通性:
(1)多数合金熔点低于其组分中任一种组成金属的熔点。
(2)硬度一般比其组分中任一金属的硬度大;(特例:钠钾合金是液态的,用于原子反应堆里的导热剂)。
(3)合金的导电性和导热性低于任一组分金属。利用合金的这一特性,可以制造高电阻和高热阻材料。还可制造有特殊性能的材料。
(4)有的抗腐蚀能力强(如不锈钢)如在铁中掺入15%铬和9%镍得到一种耐腐蚀的不锈钢,适用于化学工业。
合金是合成材料吗?具体些!
合金不属于合成材料。
合成材料又称人造材料,是人为地把不同物质经化学 *** 或聚合作用加工而成的材料,主要是指通过化学合成将小分子有机物如烯烃等合成大分子聚合物。合成材料包括塑料、纤维、合成橡胶、黏合剂、涂料。
合金是一种金属与另一种或几种金属或非金属经过混合熔化,冷却凝固后得到的具有金属性质的固体产物。
扩展资料:
合成纤维和合成橡胶等是重要的有机合成材料。有机合成材料的出现是对自然资源的一种补充,化学在有机合成材料的发展中起着重要的作用。新型有机合成材料必将为人类创造更加美好的未来。使用有机合成材料会对环境造成影响,如"白色污染"。
用有机高分子化合物制成的材料就是有机高分子材料。棉花 羊毛 和天然橡胶等都属于天然有机高分子材料,而日常生活中用的最多的塑料,合成纤维和合成橡胶等则属于合成有机高分子材料,简称合成材料。
参考资料来源:
百度百科——合成材料
百度百科——合金
合金是不是合成材料?为什么
合金钢应该不算是合成材料,它主要是在钢的成份上加上少量其它金属成分,使钢的物理性质改变!
平时所说的合成材料大多数都是有机物!
普通玻璃化学氧化物的组成(Na2O·CaO·6SiO2),主要成份是二氧化硅
合金属于什么材料是合成材料还是复合材料
首先要搞清楚三个概念:
1.合成材料,是人为地把不同物质经化学 *** 或聚合作用加工而成的材料,其特质与原料不同,如塑料、玻璃、钢铁等。
2.合金,是由两种或两种以上的金属与非金属经一定 *** 所合成的具有金属特性的物质。
3.复合材料,是由两种或两种以上不同性质的材料,通过物理或化学的 *** ,在宏观上组成具有新性能的材料。复合材料是一种混合物。
合金顾名思义就是合成金属,是以一种单一金属为基料,配以其它少量一种或多种金属或非金属所冶金化(熔炼或烧结)所得到的具有金属特性的制品,仍然属于金属材料,例如我们常见的钢型材、不锈钢、铝合金、黄铜等。
合金是合成材料吗?有何依据?
合成材料又称人造材料,是人为地把不同物质经化学 *** 或聚合作用加工而成的材料,其特质与原料不同,如塑料、玻璃、钢铁等。根据以上内容来看合金应该也是合成材料,不过平时说的最主要的三大合成材料分别是合成塑料、合成纤维、合成橡胶总称三大合成材料
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