CN105967682A - 一种硬度高耐划性好的涂层材料 - Google Patents
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Abstract
本发明公开了一种硬度高耐划性好的涂层材料,由以下重量份的原料制备制成:玻璃釉料13‑15、氧化锆陶瓷粉77‑84、二硫化钼1‑1.3、碳化钛6‑8、废钢粉2.3‑2.6、碳化铬0.7‑1、锆英砂1.2‑1.5、磷酸二氢镁1.3‑1.4、尿素1.8‑2.4、无水乙醇适量、去离子水适量;本发明所述的陶瓷涂料具有良好的不粘性及耐磨性,硬度高,抗氧化性好,形成的保护涂层具有良好的高耐划性,值得推广。
Description
技术领域
本发明涉及陶瓷涂层技术领域,尤其涉及一种硬度高耐划性好的涂层材料。
背景技术
排风设备在厨房、实验室、工厂等各领域都有重要的作用。一般都可以分成排风罩、风管、除尘净化设备、风机、设备壳等部分组成。其中除尘净化设备的材料是根据领域的不同采用的材质也不尽相同,大多数会采用合金材料,合金材料的性能很大程度上影响了设备使用效果和寿命。陶瓷涂层在摩擦过程中产生的热应力比较小,涂层不容易发生严重断裂,具有孔隙率低、摩擦系数低、导热系数高、耐腐蚀性、高硬度等特性,适用于高温、腐蚀和磨损等特殊工作环境。
《Cr2O3陶瓷涂层摩擦磨损性能研究》中利用三氧化二铬陶瓷粉末与玻璃釉料按照一定质量比混合,烧结900℃后球磨,过200目筛,然后利用亚音速喷枪在45钢上喷涂三氧化二铬陶瓷涂层,并在电阻炉中烧结。虽然加入一定量的玻璃釉料增强了粉末之间的粘结性,提高了涂层的耐磨性,但是喷涂制得的涂层无法将空气全部排出,存在大量气孔,即使经过高温烧结也无法改善,需要多次涂刷玻璃釉料,施工复杂,并且铬对人体有毒性,不宜大量使用。本发明针对排风设备的使用性能,认为防污易清洁是最主要的实用性能,利用参考文献提出的玻璃釉料增强烧结性、提高耐磨性,将两者结合起来制备出适宜工业化大生产的提高排风设备性能的陶瓷涂层。
发明内容
本发明目的就是为了弥补已有技术的缺陷,提供一种硬度高耐划性好的涂层材料。
本发明是通过以下技术方案实现的:
一种硬度高耐划性好的涂层材料,由以下重量份的原料制备制成:玻璃釉料13-15、氧化锆陶瓷粉77-84、二硫化钼1-1.3、碳化钛6-8、废钢粉2.3-2.6、碳化铬0.7-1、锆英砂1.2-1.5、磷酸二氢镁1.3-1.4、尿素1.8-2.4、无水乙醇适量、去离子水适量。
所述一种硬度高耐划性好的涂层材料,由下列具体步骤制备制成:
(1)将玻璃釉料中加入适量的无水乙醇,在行星球磨机内湿法球磨5-7h,球磨完毕后在100-110℃下烘干,然后加到烧结炉中于460-520℃下预烧20-35min,冷却后粉碎成粒度为10-30μm的细粉料备用;
(2)将磷酸二氢镁、二硫化钼和碳化铬放到球磨机中研磨,再和步骤(1)的粉末一同放入混料机中混匀,配置浓度为4%的聚乙烯醇溶液,并水浴加热使其完全溶解,再将上述粉末用聚乙烯醇溶液调和成黏稠状;
(3)将步骤(2)制备的粘稠状物料涂敷在基体表面,阴干2-3h,用激光器对涂层进行辐照,并采用惰性气体保护,结束后自然冷却至室温;
(4)将废钢粉用无水乙醇清洗2-3次后烘干,再和碳化钛、锆英砂加到研钵中研磨分散,加入适量粘结剂压制成粒,再将尿素加热至熔融后和上述颗粒混合均匀趁热涂覆在步骤(3)涂层表面,激光熔覆后自然冷却即可。
所述一种硬度高耐划性好的涂层材料,所述玻璃釉料由钾长石、碳酸镁、钠基膨润土、锆酸锶和蛭石粉组成,其中质量9.5-11:1-1.4:1-2:0.5-0.8:2.5-3。
本发明的优点是:本发明利用玻璃釉料优良的粘结、耐磨性和二硫化钼等物料一起浸渍在聚乙烯醇中,在加热时引起纳米复合相强韧化效应,减轻界面残余应力,使得陶瓷涂层出现裂纹少,提高质量的作用,本文还利用尿素热熔效应将废钢粉、碳化钛和锆英砂分散均一,再利用激光熔覆技术将其熔覆在基体表面,解决了涂层存在气孔的问题,并显著提高了涂层的耐腐蚀性、硬度、热稳定性、减磨、防氧化等性能;本发明所述的陶瓷涂料具有良好的不粘性及耐磨性,硬度高,抗氧化性好,形成的保护涂层具有良好的高耐划性,值得推广。
具体实施方式
一种硬度高耐划性好的涂层材料,由以下重量份(公斤)的原料制备制成:玻璃釉料13、氧化锆陶瓷粉77、二硫化钼1、碳化钛6、废钢粉2.3、碳化铬0.7、锆英砂1.2、磷酸二氢镁1.3、尿素1.8、无水乙醇适量、去离子水适量。
所述一种硬度高耐划性好的涂层材料,由下列具体步骤制备制成:
(1)将玻璃釉料中加入适量的无水乙醇,在行星球磨机内湿法球磨5h,球磨完毕后在100℃下烘干,然后加到烧结炉中于460℃下预烧20min,冷却后粉碎成粒度为10μm的细粉料备用;
(2)将磷酸二氢镁、二硫化钼和碳化铬放到球磨机中研磨,再和步骤(1)的粉末一同放入混料机中混匀,配置浓度为4%的聚乙烯醇溶液,并水浴加热使其完全溶解,再将上述粉末用聚乙烯醇溶液调和成黏稠状;
(3)将步骤(2)制备的粘稠状物料涂敷在基体表面,阴干2h,用激光器对涂层进行辐照,并采用惰性气体保护,结束后自然冷却至室温;
(4)将废钢粉用无水乙醇清洗2次后烘干,再和碳化钛、锆英砂加到研钵中研磨分散,加入适量粘结剂压制成粒,再将尿素加热至熔融后和上述颗粒混合均匀趁热涂覆在步骤(3)涂层表面,激光熔覆后自然冷却即可。
所述一种硬度高耐划性好的涂层材料,所述玻璃釉料由钾长石、碳酸镁、钠基膨润土、锆酸锶和蛭石粉组成,其中质量比为9.5:1:1:0.5:2.5。
按照实施例生产的陶瓷涂层性能参数如下:
(1)涂覆性能佳、与基体材料结合力好,涂层表面光滑、无气孔;
(2)耐磨性试验:2.2mg;
(3)抗氧化试验:涂层试件在1500℃的静态空气中有效防氧化时间达185h;
(4)抗热震性试验:升温至1500℃,冷水淬火,如此反复10次,涂层不开裂,不脱落。
Claims (3)
1.一种硬度高耐划性好的涂层材料,其特征在于,由以下重量份的原料制备制成:玻璃釉料13-15、氧化锆陶瓷粉77-84、二硫化钼1-1.3、碳化钛6-8、废钢粉2.3-2.6、碳化铬0.7-1、锆英砂1.2-1.5、磷酸二氢镁1.3-1.4、尿素1.8-2.4、无水乙醇适量、去离子水适量。
2.根据权利要求1所述一种硬度高耐划性好的涂层材料,其特征在于,由下列具体步骤制备制成:
(1)将玻璃釉料中加入适量的无水乙醇,在行星球磨机内湿法球磨5-7h,球磨完毕后在100-110℃下烘干,然后加到烧结炉中于460-520℃下预烧20-35min,冷却后粉碎成粒度为10-30μm的细粉料备用;
(2)将磷酸二氢镁、二硫化钼和碳化铬放到球磨机中研磨,再和步骤(1)的粉末一同放入混料机中混匀,配置浓度为4%的聚乙烯醇溶液,并水浴加热使其完全溶解,再将上述粉末用聚乙烯醇溶液调和成黏稠状;
(3)将步骤(2)制备的粘稠状物料涂敷在基体表面,阴干2-3h,用激光器对涂层进行辐照,并采用惰性气体保护,结束后自然冷却至室温;
(4)将废钢粉用无水乙醇清洗2-3次后烘干,再和碳化钛、锆英砂加到研钵中研磨分散,加入适量粘结剂压制成粒,再将尿素加热至熔融后和上述颗粒混合均匀趁热涂覆在步骤(3)涂层表面,激光熔覆后自然冷却即可。
3.根据权利要求1-2所述一种硬度高耐划性好的涂层材料,其特征在于,所述玻璃釉料由钾长石、碳酸镁、钠基膨润土、锆酸锶和蛭石粉组成,其中质量比为9.5-11:1-1.4:1-2:0.5-0.8:2.5-3。
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Cited By (2)
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CN107628748A (zh) * | 2017-10-26 | 2018-01-26 | 湖南嘉盛电陶新材料股份有限公司 | 陶瓷内胆防粘表面结构、防粘陶瓷内胆及其制备方法 |
CN115448596A (zh) * | 2022-08-09 | 2022-12-09 | 新化柏盛陶瓷科技有限公司 | 一种氧化锆基卫浴陶瓷及其制备方法 |
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CN1263919A (zh) * | 1999-02-19 | 2000-08-23 | 纳幕尔杜邦公司 | 耐磨涂层 |
CN1813002A (zh) * | 2003-06-24 | 2006-08-02 | Ppg工业俄亥俄公司 | 具有纳米颗粒相的微粒的水性分散体和含有该分散体的涂料组合物 |
Cited By (4)
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CN107628748A (zh) * | 2017-10-26 | 2018-01-26 | 湖南嘉盛电陶新材料股份有限公司 | 陶瓷内胆防粘表面结构、防粘陶瓷内胆及其制备方法 |
CN107628748B (zh) * | 2017-10-26 | 2020-03-31 | 湖南嘉盛电陶新材料股份有限公司 | 陶瓷内胆防粘表面结构、防粘陶瓷内胆及其制备方法 |
CN115448596A (zh) * | 2022-08-09 | 2022-12-09 | 新化柏盛陶瓷科技有限公司 | 一种氧化锆基卫浴陶瓷及其制备方法 |
CN115448596B (zh) * | 2022-08-09 | 2024-05-28 | 新化柏盛陶瓷科技有限公司 | 一种氧化锆基卫浴陶瓷及其制备方法 |
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