CN109095924A - 一种耐腐蚀涂层及其制备方法 - Google Patents
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Abstract
一种耐腐蚀涂层及其制备方法,涉及机械技术领域,涂层材料由以下质量份数的各个组分构成:(1)碳化硅15‑30份;(2)纳米氧化镍3‑9份和纳米氧化镁6‑12份;(3)纳米Al2O3,15‑23份;(4)Ta2O5,2.5‑4份;(5)二氧化硅,25‑45份;(6)氧化钛,4.5‑7.5份;(7)纳米二氧化钍,5‑15份。本发明提供的耐腐蚀涂层,对现有涂层进行改性,通过往涂层中加入改性稀土等进行高温固相反应,使晶粒、晶界以及他们之间的结合都达到纳米水平,使材料的强度、韧性和超塑性大幅度提高。因此,本发明耐腐蚀涂层及其制备方法提供的耐腐蚀涂层材料优异的耐腐性能,可作为机床的涂层材料。
Description
技术领域
本发明属于机械加工技术领域,特别涉及一种具有优良耐高温和耐磨性能的耐腐蚀涂层及其制备方法。
背景技术
在机械加工领域,机床等加工工具在加工工件时,受到工件本身碎屑或环境因素的影响,尤其是使用切削液等工业液体时,往往会对加工工具产生腐蚀作用,影响加工工具的加工精度和使用寿命,对机械加工造成不利影响,因此,对于加工工具进行表面涂层处理可以有效克服这一问题。
近年来,涂层材料发展迅速,尤其是陶瓷涂层材料,受到广泛关注,不同于传统的涂料涂层,涂料涂层的强度和耐磨性在机械加工领域差强人意,较之陶瓷涂层涂料均不甚理想。传统的陶瓷材料具有较大的脆性,不利用陶瓷材料的进一步加工,也导致陶瓷材料在诸多领域的性能性略显不足。纳米陶瓷是解决陶瓷脆性的战略途径,纳米机床用耐高温金属涂层材料是一种通过化学反应而形成耐高温陶瓷涂层的材料。利用纳米技术开发的纳米陶瓷材料是利用纳米粉体对现有陶瓷进行改性,通过往陶瓷中加入或生成纳米级颗粒、晶须、晶片纤维等,使晶粒、晶界以及他们之间的结合都达到纳米水平,使材料的强度、韧性和超塑性大幅度提高。它克服了工程陶瓷的许多不足,并对材料的力学、电学、热学、磁光学等性能产生重要影响。
发明内容
本发明解决的技术问题:针对现有技术的不足,克服现有技术的缺陷,本发明提供一种耐腐蚀涂层及其制备方法。
本发明的技术方案:一种耐腐蚀涂层,由以下质量份数的各个组分构成:
(1)碳酸二甲酯5-10份;
(2)烷基酚聚氧乙烯醚4-12份;
(3)碳粉15-25份;
(4)改性稀土5-18份;
(5)氧化钛4-7份;
(6)硅藻土8-12份;
(7)氧化铝3-7份。
作为优选,改性稀土改性纳米氧化铈和纳米氧化镧,纳米氧化铈和纳米氧化镧重量比为1:0.3。
一种耐腐蚀涂层的制备方法,制备步骤如下:
(1)称量:准确称取各个组分;
(2)研磨:将各个组分混合在一起,搅拌均匀之后,放入研磨机进行研磨;
(3)煅烧:将步骤(2)得到的混合物放入模具,进行高温煅烧;
(4)冷却:煅烧结束之后,待冷却至室温,取出,研磨分散后,过筛,即得到耐腐蚀涂层。
作为优选,将步骤(3)中高温煅烧的温度为1000℃-1600℃。
作为优选,将步骤(3)中高温煅烧的压力为5-9GPa。
作为优选,将步骤(3)中高温煅烧的时间为1-3h。
作为优选,步骤(4)中混合物冷却至室温,取出进行破碎处理,然后过筛,筛孔的尺寸为100-200目,过筛次数为3次,即得到耐腐蚀涂层粉体材料。
有益效果:本发明提供的耐腐蚀涂层及其制备方法,对现有涂层进行改性,通过往涂层中加入改性稀土等进行高温固相反应,使晶粒、晶界以及他们之间的结合都达到纳米水平,使材料的强度、韧性和超塑性大幅度提高。因此,本发明耐腐蚀涂层及其制备方法提供的耐腐蚀涂层材料优异的耐腐性能,可作为机床的涂层材料。
具体实施方式
为了进一步理解本发明,下面结合实施例对本发明优选实施方案进行描述,但是应当理解,这些描述只是为进一步说明本发明的特征和优点,而不是对本发明权利要求的限制。
实施例1:
一种耐腐蚀涂层,由以下质量份数的各个组分构成:
(1)碳酸二甲酯5份;(2)烷基酚聚氧乙烯醚4份;(3)碳粉15份;(4)改性稀土5份;(5)氧化钛4份;(6)硅藻土8份;(7)氧化铝3份。
其中,改性稀土由纳米氧化铈和纳米氧化镧按照重量比为1:0.3组成。
根据本发明提供的耐腐蚀涂层的制备方法制备上述耐腐蚀涂层,制备步骤如下:
(1)称量:准确称取各个组分;
(2)研磨:将各个组分混合在一起,搅拌均匀之后,放入研磨机进行研磨;
(3)煅烧:将步骤(2)得到的混合物放入模具,进行高温煅烧,温度为1000℃,压力为5GPa,时间1h;
(4)冷却:煅烧结束之后,待冷却至室温,取出,即得到耐腐蚀涂层。
实施例2:
一种耐腐蚀涂层,由以下质量份数的各个组分构成:
(1)碳酸二甲酯7份;(2)烷基酚聚氧乙烯醚8份;(3)碳粉20份;(4)改性稀土10份;(5)氧化钛5.5份;(6)硅藻土10份;(7)氧化铝4.5份。
其中,改性稀土由纳米氧化铈和纳米氧化镧按照重量比为1:0.3组成。
根据本发明提供的耐腐蚀涂层的制备方法制备上述耐腐蚀涂层,制备步骤如下:
(1)称量:准确称取各个组分;
(2)研磨:将各个组分混合在一起,搅拌均匀之后,放入研磨机进行研磨;
(3)煅烧:将步骤(2)得到的混合物放入模具,进行高温煅烧,温度为1300℃,压力为7GPa,时间2h;
(4)冷却:煅烧结束之后,待冷却至室温,取出,即得到耐腐蚀涂层。
实施例3:
一种耐腐蚀涂层,由以下质量份数的各个组分构成:
(1)碳酸二甲酯10份;(2)烷基酚聚氧乙烯醚12份;(3)碳粉25份;(4)改性稀土18份;(5)氧化钛7份;(6)硅藻土12份;(7)氧化铝75份。
其中,改性稀土由纳米氧化铈和纳米氧化镧按照重量比为1:0.3组成。
根据本发明提供的耐腐蚀涂层的制备方法制备上述耐腐蚀涂层,制备步骤如下:
(1)称量:准确称取各个组分;
(2)研磨:将各个组分混合在一起,搅拌均匀之后,放入研磨机进行研磨;
(3)煅烧:将步骤(2)得到的混合物放入模具,进行高温煅烧,温度为1600℃,压力为9GPa,时间3h;
(4)冷却:煅烧结束之后,待冷却至室温,取出,即得到耐腐蚀涂层。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (7)
1.一种耐腐蚀涂层,其特征在于,由以下质量份数的各个组分构成:
(1)碳酸二甲酯5-10份;
(2)烷基酚聚氧乙烯醚4-12份;
(3)碳粉15-25份;
(4)改性稀土5-18份;
(5)氧化钛4-7份;
(6)硅藻土8-12份;
(7)氧化铝3-7份。
2.根据权利要求1所述的耐腐蚀涂层,其特征在于:改性稀土改性纳米氧化铈和纳米氧化镧,纳米氧化铈和纳米氧化镧重量比为1:0.3。
3.一种根据权利要求1-2任一项所述的耐腐蚀涂层的制备方法,其特征在于,制备步骤如下:
(1)称量:准确称取各个组分;
(2)研磨:将各个组分混合在一起,搅拌均匀之后,放入研磨机进行研磨;
(3)煅烧:将步骤(2)得到的混合物放入模具,进行高温煅烧;
(4)冷却:煅烧结束之后,待冷却至室温,取出,即得到耐腐蚀涂层。
4.根据权利要求3所述的耐腐蚀涂层的制备方法,其特征在于:将步骤(3)中高温煅烧的温度为1000℃-1600℃。
5.根据权利要求3所述的耐腐蚀涂层的制备方法,其特征在于:将步骤(3)中高温煅烧的压力为5-9GPa。
6.根据权利要求3所述的耐腐蚀涂层的制备方法,其特征在于:将步骤(3)中高温煅烧的时间为1-3h。
7.根据权利要求3所述的耐腐蚀涂层的制备方法,其特征在于:步骤(4)中混合物冷却至室温,取出进行破碎处理,然后过筛,筛孔的尺寸为100-200目,过筛次数为3次,即得到耐腐蚀涂层。
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Application publication date: 20181228 |