CN108774055A - 一种耐蚀型陶瓷涂层及其制备方法 - Google Patents

一种耐蚀型陶瓷涂层及其制备方法 Download PDF

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CN108774055A
CN108774055A CN201810727960.6A CN201810727960A CN108774055A CN 108774055 A CN108774055 A CN 108774055A CN 201810727960 A CN201810727960 A CN 201810727960A CN 108774055 A CN108774055 A CN 108774055A
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梁小红
唐丽华
陆磊
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Abstract

本发明公开了一种耐蚀型陶瓷涂层，所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅30～40份，氧化钠15～25份，氧化铝和三氧化二硼总量10～20份，三氧化二钴0.5～1.5份，三氧化钼和三氧化钨总量5～10份，二氧化锰0.2～0.8份，氧化铬0.1～0.4份，氧化钕0.05～0.25份，五氧化二钒0.1～0.5份，硅酸锆0.2～1份，碳酸钙1～3份。本发明中的陶瓷涂层具有良好的耐蚀性能。

Description

一种耐蚀型陶瓷涂层及其制备方法
技术领域
本发明涉及涂层材料技术领域，特别是涉及一种耐蚀型陶瓷涂层及其制备方法。
背景技术
近年来陶瓷涂层材料是受到广泛关注的陶瓷材料，传统的陶瓷材料具有较大的脆性，不利于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略显不足。金属陶瓷涂层是一种既有金属良好的强韧性，又有陶瓷的耐高温、耐磨损、耐腐蚀等优点的复合涂层。因此，金属陶瓷涂层在航空、航天等许多领域中获得重要的应用，诸如承受高速、高温燃气冲刷等复杂、恶劣工况条件的火箭发动机部件，通过涂覆金属陶瓷涂层可获得有效防护。
现有技术中制备的金属陶瓷涂层在实际应用中存在功能单一成本高、韧性小、强度低、适涂性差等诸多缺陷，限制了金属陶瓷涂层的使用范围和应用领域，不利于企业节能绿色发展的目标的实现。
为此，有必要针对上述问题，提出一种耐蚀型陶瓷涂层及其制备方法，其能够解决现有技术中存在的问题。
发明内容
本发明的目的在于提供一种耐蚀型陶瓷涂层及其制备方法，以克服现有技术中的不足。
为实现上述目的，本发明提供如下技术方案：
一种耐蚀型陶瓷涂层，所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅30～40份，氧化钠15～25份，氧化铝和三氧化二硼总量10～20份，三氧化二钴0.5～1.5份，三氧化钼和三氧化钨总量5～10份，二氧化锰0.2～0.8份，氧化铬0.1～0.4份，氧化钕0.05～0.25份，五氧化二钒0.1～0.5份，硅酸锆0.2～1份，碳酸钙1～3份。
优选的，所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅35份，氧化钠20份，氧化铝和三氧化二硼总量15份，三氧化二钴1份，三氧化钼和三氧化钨总量7.5份，二氧化锰0.5份，氧化铬0.25份，氧化钕0.15份，五氧化二钒0.3份，硅酸锆0.6份，碳酸钙2份。
优选的，所述氧化铝和所述三氧化二硼的质量比为3:1。
优选的，所述三氧化钼和所述三氧化钨的质量比为1:1。
本发明还提供一种耐蚀型陶瓷涂层的制备方法，包括以下步骤：
(1)称取下述质量份的原料：二氧化硅50～60份，氧化钙10～20份，氧化铝1～10份，三氧化二锑1～3份，氧化锡2～6份，二氧化锰1～3份，硝酸钠0.2～0.6份，硼砂0.2～1份，钴镍合金粉2～5份，球磨3～5h，过70～90目筛，得到混合粉末；
(2)将上述混合粉末与无水乙醇以质量比1.6:1混合均匀，所得混合物涂覆在不锈钢基体表面，控制涂层的厚度为0.8～1.2mm；
(3)将步骤(2)中的涂层置于850～950℃的高温炉中处理2～5h，保温5～15min，冷却至室温，即得到耐蚀型陶瓷涂层。
与现有技术相比，本发明的优点在于：本发明中的陶瓷涂层具有良好的耐蚀性能，还具有较好的耐磨性能，而且强度高、韧性好。
具体实施方式
本发明通过下列实施例作进一步说明：根据下述实施例，可以更好地理解本发明。然而，本领域的技术人员容易理解，实施例所描述的具体的物料比、工艺条件及其结果仅用于说明本发明，而不应当也不会限制权利要求书中所详细描述的本发明。
本发明公开一种耐蚀型陶瓷涂层，所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅30～40份，氧化钠15～25份，氧化铝和三氧化二硼总量10～20份，三氧化二钴0.5～1.5份，三氧化钼和三氧化钨总量5～10份，二氧化锰0.2～0.8份，氧化铬0.1～0.4份，氧化钕0.05～0.25份，五氧化二钒0.1～0.5份，硅酸锆0.2～1份，碳酸钙1～3份。
其中，所述氧化铝和所述三氧化二硼的质量比为3:1。
其中，所述三氧化钼和所述三氧化钨的质量比为1:1。
本发明还公开一种耐蚀型陶瓷涂层的制备方法，包括以下步骤：
(1)称取下述质量份的原料：二氧化硅50～60份，氧化钙10～20份，氧化铝1～10份，三氧化二锑1～3份，氧化锡2～6份，二氧化锰1～3份，硝酸钠0.2～0.6份，硼砂0.2～1份，钴镍合金粉2～5份，球磨3～5h，过70～90目筛，得到混合粉末；
(2)将上述混合粉末与无水乙醇以质量比1.6:1混合均匀，所得混合物涂覆在不锈钢基体表面，控制涂层的厚度为0.8～1.2mm；
(3)将步骤(2)中的涂层置于850～950℃的高温炉中处理2～5h，保温5～15min，冷却至室温，即得到耐蚀型陶瓷涂层。
下述以具体地实施例进行说明，以制备本发明中的耐蚀型陶瓷涂层。
实施例1
所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅30份，氧化钠15份，氧化铝和三氧化二硼总量10份，三氧化二钴0.5份，三氧化钼和三氧化钨总量5份，二氧化锰0.2份，氧化铬0.1份，氧化钕0.05份，五氧化二钒0.1份，硅酸锆0.2份，碳酸钙1份。
所述耐蚀型陶瓷涂层的制备方法包括以下步骤：
(1)称取下述质量份的原料：二氧化硅30份，氧化钠15份，氧化铝和三氧化二硼总量10份，三氧化二钴0.5份，三氧化钼和三氧化钨总量5份，二氧化锰0.2份，氧化铬0.1份，氧化钕0.05份，五氧化二钒0.1份，硅酸锆0.2份，碳酸钙1份，球磨3h，过70目筛，得到混合粉末；
(2)将上述混合粉末与无水乙醇以质量比1.6:1混合均匀，所得混合物涂覆在不锈钢基体表面，控制涂层的厚度为0.8mm；
(3)将步骤(2)中的涂层置于850℃的高温炉中处理2h，保温5min，冷却至室温，即得到耐蚀型陶瓷涂层。
实施例2
所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅35份，氧化钠20份，氧化铝和三氧化二硼总量15份，三氧化二钴1份，三氧化钼和三氧化钨总量7.5份，二氧化锰0.5份，氧化铬0.25份，氧化钕0.15份，五氧化二钒0.3份，硅酸锆0.6份，碳酸钙2份。
所述耐蚀型陶瓷涂层的制备方法包括以下步骤：
(1)称取下述质量份的原料：二氧化硅35份，氧化钠20份，氧化铝和三氧化二硼总量15份，三氧化二钴1份，三氧化钼和三氧化钨总量7.5份，二氧化锰0.5份，氧化铬0.25份，氧化钕0.15份，五氧化二钒0.3份，硅酸锆0.6份，碳酸钙2份，球磨4h，过80目筛，得到混合粉末；
(2)将上述混合粉末与无水乙醇以质量比1.6:1混合均匀，所得混合物涂覆在不锈钢基体表面，控制涂层的厚度为1mm；
(3)将步骤(2)中的涂层置于900℃的高温炉中处理3.5h，保温10min，冷却至室温，即得到耐蚀型陶瓷涂层。
实施例3
所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅40份，氧化钠25份，氧化铝和三氧化二硼总量20份，三氧化二钴1.5份，三氧化钼和三氧化钨总量10份，二氧化锰0.8份，氧化铬0.4份，氧化钕0.25份，五氧化二钒0.5份，硅酸锆1份，碳酸钙3份。
所述耐蚀型陶瓷涂层的制备方法包括以下步骤：
(1)称取下述质量份的原料：二氧化硅40份，氧化钠25份，氧化铝和三氧化二硼总量20份，三氧化二钴1.5份，三氧化钼和三氧化钨总量10份，二氧化锰0.8份，氧化铬0.4份，氧化钕0.25份，五氧化二钒0.5份，硅酸锆1份，碳酸钙3份，球磨5h，过90目筛，得到混合粉末；
(2)将上述混合粉末与无水乙醇以质量比1.6:1混合均匀，所得混合物涂覆在不锈钢基体表面，控制涂层的厚度为1.2mm；
(3)将步骤(2)中的涂层置于950℃的高温炉中处理5h，保温15min，冷却至室温，即得到耐蚀型陶瓷涂层。
上述实施例1～3中的陶瓷涂层具有良好的耐蚀性能，其对高温、酸、碱等都具有耐蚀性；另外，还具有较好的耐磨性能，而且强度高、韧性好。
最后，还需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。

Claims (5)

1.一种耐蚀型陶瓷涂层，其特征在于，所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅30～40份，氧化钠15～25份，氧化铝和三氧化二硼总量10～20份，三氧化二钴0.5～1.5份，三氧化钼和三氧化钨总量5～10份，二氧化锰0.2～0.8份，氧化铬0.1～0.4份，氧化钕0.05～0.25份，五氧化二钒0.1～0.5份，硅酸锆0.2～1份，碳酸钙1～3份。
2.根据权利要求1所述的耐蚀型陶瓷涂层，其特征在于，所述耐蚀型陶瓷涂层包括下述质量份的成分：二氧化硅35份，氧化钠20份，氧化铝和三氧化二硼总量15份，三氧化二钴1份，三氧化钼和三氧化钨总量7.5份，二氧化锰0.5份，氧化铬0.25份，氧化钕0.15份，五氧化二钒0.3份，硅酸锆0.6份，碳酸钙2份。
3.根据权利要求1所述的耐蚀型陶瓷涂层，其特征在于，所述氧化铝和所述三氧化二硼的质量比为3:1。
4.根据权利要求1所述的耐蚀型陶瓷涂层，其特征在于，所述三氧化钼和所述三氧化钨的质量比为1:1。
5.一种耐蚀型陶瓷涂层的制备方法，其特征在于，包括以下步骤：
(1)称取下述质量份的原料：二氧化硅30～40份，氧化钠15～25份，氧化铝和三氧化二硼总量10～20份，三氧化二钴0.5～1.5份，三氧化钼和三氧化钨总量5～10份，二氧化锰0.2～0.8份，氧化铬0.1～0.4份，氧化钕0.05～0.25份，五氧化二钒0.1～0.5份，硅酸锆0.2～1份，碳酸钙1～3份，球磨3～5h，过70～90目筛，得到混合粉末；
(2)将上述混合粉末与无水乙醇以质量比1.6:1混合均匀，所得混合物涂覆在不锈钢基体表面，控制涂层的厚度为0.8～1.2mm；
(3)将步骤(2)中的涂层置于850～950℃的高温炉中处理2～5h，保温5～15min，冷却至室温，即得到耐蚀型陶瓷涂层。
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