CN105541353A - 一种多用途的热障涂料及制备方法 - Google Patents

一种多用途的热障涂料及制备方法 Download PDF

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CN105541353A
CN105541353A CN201510975264.3A CN201510975264A CN105541353A CN 105541353 A CN105541353 A CN 105541353A CN 201510975264 A CN201510975264 A CN 201510975264A CN 105541353 A CN105541353 A CN 105541353A
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thermal barrier
multiduty
parts
barrier coatings
oxide
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李新
王向科
郭利丹
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GUANGDONG HUAKE NEW MATERIAL INSTITUTE Co Ltd
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Abstract

本发明公开了一种多用途的热障涂料及制备方法，属于涂料领域，其组成（重量比）为：二氧化锆37.2-46.8份，氧化铈15.2-20.3，滑石粉2.2-14.3份，碳酸钙10.3-22.4份，氧化锌7.4-20.1份，氧化铝12.2-24.3份，本发明是以氧化锆基础，通过添加多种无机氧化物，经过高速剪切，开发出一种热导率低、热膨胀系数适中、制备方法简单、成本低的热障涂料。

Description

一种多用途的热障涂料及制备方法
技术领域
本发明属于涂料领域，尤其涉及一种多用途的热障涂料及制备方法。
技术背景
热障涂层（ThermalBarrierCoatings,TBCs）是由陶瓷氧化物面层和起粘结作用的底涂层组成的防热系统。它利用陶瓷材料优异的耐高温、耐冲刷、抗腐蚀和低导热性能，提高金属部件的许用工作温度，增强热端部件的抗高温能力，延长热端部件的使用寿命，提高发动机的工作效率。
氧化锆陶瓷是一种重要的工程陶瓷材料，具有高化学稳定性、高热稳定性、高断裂韧性、高离子电导率、高热膨胀系数和低热导率等，在生物医学材料、高温发热材料、结构材料、固体电解质材料和热障涂层材料等领域有着广泛的应用。
本发明的目的是以氧化锆基础，通过添加多种无机氧化物，经过高速剪切，开发出一种热导率低、热膨胀系数适中、制备方法简单、成本低的热障涂料。
发明内容
一种多用途的热障涂料，其组成（重量比）为：二氧化锆37.2-46.8份，氧化铈15.2-20.3，滑石粉2.2-14.3份，碳酸钙10.3-22.4份，氧化锌7.4-20.1份，氧化铝12.2-24.3份。
一种多用途的热障涂料，其组成（重量比）为：二氧化锆38.3份，氧化铈为18.3，滑石粉11.2份，碳酸钙,11.7份，氧化锌9.4份，氧化铝11.1份。
一种多用途的热障涂料，其特征在于：二氧化锆的粒径为20-40nm。
一种多用途的热障涂料，其特征在于：氧化铈粉粒径为35-55nm。
一种多用途的热障涂料，其特征在于：碳酸钙粒径为100-140nm。
一种多用途的热障涂料，其特征在于：氧化锌粒径为80-100nm。
一种多用途的热障涂料，其特征在于：氧化铝粒径为25-45nm。
一种多用途的热障涂料的制备方法,制备过程为：
（1）将规定量的滑石粉、碳酸钙进行混合，并加入蒸馏水（重量比）30-50份，并进行高速剪切，转速为8000-10000r/min，时间为1-2h，得到浆液a；
（2）在浆液a中加入规定量的氧化锌、氧化铝，并加入蒸馏水（重量比）5-10份，并进行高速剪切，转速为4000-6000r/min，时间为0.5-1.5h，得到浆液b；
(3)在浆液b中加入规定量的氧化锆粉，氧化铈，并进行高速剪切，转速为5000r/min，时间为1.8h，得到多用途的热障涂料。
实施例
一种多用途的热障涂料，其组成（重量比）为：二氧化锆37.2-46.8份，氧化铈15.2-20.3，滑石粉2.2-14.3份，碳酸钙10.3-22.4份，氧化锌7.4-20.1份，氧化铝12.2-24.3份。
其中其组成优选（重量比）为：二氧化锆38.3份，氧化铈为18.3，滑石粉11.2份，碳酸钙,11.7份，氧化锌9.4份，氧化铝11.1份。
一种多用途的热障涂料，其特征在于：二氧化锆的粒径为20-40nm，优选粒径为30nm。
一种多用途的热障涂料，其特征在于：氧化铈粉粒径为35-55nm，优选粒径为45nm。
一种多用途的热障涂料，其特征在于：碳酸钙粒径为100-140nm，优选粒径为120nm。
一种多用途的热障涂料，其特征在于：氧化锌粒径为80-100nm，优选粒径为90nm。
一种多用途的热障涂料，其特征在于：氧化铝粒径为25-45nm，优选粒径为30nm。
一种多用途的热障涂料的制备方法,制备过程为：
（1）将规定量的滑石粉、碳酸钙进行混合，并加入蒸馏水（重量比）30-50份，并进行高速剪切，转速为8000-10000r/min，时间为1-2h，得到浆液a；
（2）在浆液a中加入规定量的氧化锌、氧化铝，并加入蒸馏水（重量比）5-10份，并进行高速剪切，转速为4000-6000r/min，时间为0.5-1.5h，得到浆液b；
(3)在浆液b中加入规定量的氧化锆粉，氧化铈，并进行高速剪切，转速为5000r/min，时间为1.8h，得到多用途的热障涂料。
其中过程（1）中蒸馏水（重量比）优选为45份，转速优选为9000r/min，时间优选为1.5h。
其中过程（2）中蒸馏水（重量比）优选为8份，转速优选为4500r/min，时间优选为1h。
本发明的目的是以氧化锆基础，通过添加多种无机氧化物，经过高速剪切，开发出一种热导率低、热膨胀系数适中、制备方法简单、成本低的热障涂料。
发明内容只要物质比例在本发明范围内，都是本发明保护的范围，同时实施例并不一定是本发明的最佳实施例。

Claims (8)

1.一种多用途的热障涂料，其组成（重量比）为：二氧化锆37.2-46.8份，氧化铈15.2-20.3份，滑石粉2.2-14.3份，碳酸钙10.3-22.4份，氧化锌7.4-20.1份，氧化铝12.2-24.3份。
2.根据权利要求1所述的一种多用途的热障涂料，其特征在于：组成（重量比）为：二氧化锆38.3份，氧化铈为18.3，滑石粉11.2份，碳酸钙,11.7份，氧化锌9.4份，氧化铝11.1份。
3.根据权利要求1或2所述的一种多用途的热障涂料，其特征在于：二氧化锆的粒径为20-40nm。
4.根据权利要求1或2所述的一种多用途的热障涂料，其特征在于：氧化铈粉粒径为35-55nm。
5.根据权利要求1或2所述的一种多用途的热障涂料，其特征在于：碳酸钙粒径为100-140nm。
6.根据权利要求1或2所述的一种多用途的热障涂料，其特征在于：氧化锌粒径为80-100nm。
7.根据权利要求1或2所述的一种多用途的热障涂料，其特征在于：氧化铝粒径为25-45nm。
8.根据权利要求1或2所述的一种多用途的热障涂料，其制备方法为：
（1）将规定量的滑石粉、碳酸钙进行混合，并加入蒸馏水（重量比）30-50份，并进行高速剪切，转速为8000-10000r/min，时间为1-2h，得到浆液a；
（2）在浆液a中加入规定量的氧化锌、氧化铝，并加入蒸馏水（重量比）5-10份，并进行高速剪切，转速为4000-6000r/min，时间为0.5-1.5h，得到浆液b；
(3)在浆液b中加入规定量的氧化锆粉，氧化铈，并进行高速剪切，转速为5000r/min，时间为1.8h，得到多用途的热障涂料。
CN201510975264.3A 2015-12-23 2015-12-23 一种多用途的热障涂料及制备方法 Pending CN105541353A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112707727A (zh) * 2020-12-30 2021-04-27 广东华科新材料研究院有限公司 多用途的热障涂料及其制备方法

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CN101200375A (zh) * 2007-11-16 2008-06-18 北京矿冶研究总院 纳米含锆系列热障涂层材料制备方法
CN101397214A (zh) * 2008-11-05 2009-04-01 内蒙古科技大学 多元共稳定氧化锆热障涂层材料及制备方法
CN101805126A (zh) * 2010-04-13 2010-08-18 中南大学 一种钢基体表面热障涂层及制备方法
CN101857737A (zh) * 2010-07-08 2010-10-13 内蒙古兴泰建筑有限责任公司 一种防腐纳米水性建筑涂料及其制备方法
CN102757222A (zh) * 2012-07-20 2012-10-31 株洲市创锐高强陶瓷有限公司 复合稳定微晶氧化锆陶瓷混合粉体及制作工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200375A (zh) * 2007-11-16 2008-06-18 北京矿冶研究总院 纳米含锆系列热障涂层材料制备方法
CN101397214A (zh) * 2008-11-05 2009-04-01 内蒙古科技大学 多元共稳定氧化锆热障涂层材料及制备方法
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CN101857737A (zh) * 2010-07-08 2010-10-13 内蒙古兴泰建筑有限责任公司 一种防腐纳米水性建筑涂料及其制备方法
CN102757222A (zh) * 2012-07-20 2012-10-31 株洲市创锐高强陶瓷有限公司 复合稳定微晶氧化锆陶瓷混合粉体及制作工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112707727A (zh) * 2020-12-30 2021-04-27 广东华科新材料研究院有限公司 多用途的热障涂料及其制备方法

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