CN106380200A - 一种高韧性复合材料及在陶瓷刀具中的应用 - Google Patents
一种高韧性复合材料及在陶瓷刀具中的应用 Download PDFInfo
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Abstract
本发明公开了一种高韧性复合材料及在陶瓷刀具中的应用,通过如下重量份的原料制备而成:纳米碳化钛,35‑45份;纳米氮化钛,30‑40份;纳米碳化硅,25‑35份;方解石粉,5‑15份;改性海泡石粉,5‑15份;去离子水,8‑12份;聚乙二醇,6‑10份;硅烷偶联剂KH560,3‑5份;丙烯酸,2‑4份;所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.4‑1.6,所述硼酸水溶液的pH为3.3‑3.9,浸泡6‑8小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.6‑7.0,50‑60℃烘干即得改性海泡石粉。本发明提供的复合材料硬度、强度和韧度高,且制备方法简易,易于实施推广。
Description
技术领域
本发明属于材料领域,具体涉及一种高韧性复合材料及在陶瓷刀具中的应用。
背景技术
复合材料是由两种或两种以上不同性质的材料,通过物理或化学的方法,在宏观(微观)上组成具有新性能的材料。各种材料在性能上互相取长补短,产生协同效应,使复合材料的综合性能优于原组成材料而满足各种不同的要求。复合材料的基体材料分为金属和非金属两大类。金属基体常用的有铝、镁、铜、钛及其合金。非金属基体主要有合成树脂、橡胶、陶瓷、石墨、碳等。增强材料主要有玻璃纤维、碳纤维、硼纤维、芳纶纤维、碳化硅纤维、石棉纤维、晶须、金属丝和硬质细粒等。
通过调整复合材料中材料的种类和含量可以制备出硬度、强度和韧度高的适合用于制备刀具的复合材料。
发明内容
本发明的目的在于提供一种高韧性复合材料及在陶瓷刀具中的应用。
本发明的上述目的是通过下面的技术方案得以实现的:
一种高韧性复合材料,通过如下重量份的原料制备而成:纳米碳化钛,35-45份;纳米氮化钛,30-40份;纳米碳化硅,25-35份;方解石粉,5-15份;改性海泡石粉,5-15份;去离子水,8-12份;聚乙二醇,6-10份;硅烷偶联剂KH560,3-5份;丙烯酸,2-4份;所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.4-1.6,所述硼酸水溶液的pH为3.3-3.9,浸泡6-8小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.6-7.0,50-60℃烘干即得改性海泡石粉。
优选地,所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
优选地,所述的高韧性复合材料通过如下重量份的原料制成:纳米碳化钛,40份;纳米氮化钛,35份;纳米碳化硅,30份;方解石粉,10份;改性海泡石粉,10份;去离子水,10份;聚乙二醇,8份;硅烷偶联剂KH560,4份;丙烯酸,3份。
优选地,所述的高韧性复合材料通过如下重量份的原料制成:纳米碳化钛,35份;纳米氮化钛,30份;纳米碳化硅,25份;方解石粉,5份;改性海泡石粉,5份;去离子水,8份;聚乙二醇,6份;硅烷偶联剂KH560,3份;丙烯酸,2份。
优选地,所述的高韧性复合材料通过如下重量份的原料制成:纳米碳化钛,45份;纳米氮化钛,40份;纳米碳化硅,35份;方解石粉,15份;改性海泡石粉,15份;去离子水,12份;聚乙二醇,10份;硅烷偶联剂KH560,5份;丙烯酸,4份。
上述高韧性复合材料的制备方法,包括如下步骤:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过200-300目筛,850-950℃煅烧0.5-1.5小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,120-140℃烘干;
步骤S3,1650-1750℃下热压,热压压力为25-35MPa,热压时间为50-60分钟。
上述高韧性复合材料在制备陶瓷刀具中的应用。
本发明的优点:
本发明提供的复合材料硬度、强度和韧度高,且制备方法简易,易于实施推广。
具体实施方式
下面结合实施例进一步说明本发明的实质性内容,但并不以此限定本发明保护范围。尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。
实施例1:复合材料的制备
原料重量份比:纳米碳化钛,40份;纳米氮化钛,35份;纳米碳化硅,30份;方解石粉,10份;改性海泡石粉,10份;去离子水,10份;聚乙二醇,8份;硅烷偶联剂KH560,4份;丙烯酸,3份。
所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
复合材料的制备方法:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过250目筛,900℃煅烧1小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,130℃烘干;
步骤S3,1700℃下热压,热压压力为30MPa,热压时间为55分钟。
实施例2:复合材料的制备
原料重量份比:纳米碳化钛,35份;纳米氮化钛,30份;纳米碳化硅,25份;方解石粉,5份;改性海泡石粉,5份;去离子水,8份;聚乙二醇,6份;硅烷偶联剂KH560,3份;丙烯酸,2份。
所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
复合材料的制备方法:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过250目筛,900℃煅烧1小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,130℃烘干;
步骤S3,1700℃下热压,热压压力为30MPa,热压时间为55分钟。
实施例3:复合材料的制备
原料重量份比:纳米碳化钛,45份;纳米氮化钛,40份;纳米碳化硅,35份;方解石粉,15份;改性海泡石粉,15份;去离子水,12份;聚乙二醇,10份;硅烷偶联剂KH560,5份;丙烯酸,4份。
所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
复合材料的制备方法:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过250目筛,900℃煅烧1小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,130℃烘干;
步骤S3,1700℃下热压,热压压力为30MPa,热压时间为55分钟。
实施例4:复合材料的制备
原料重量份比:纳米碳化钛,40份;纳米氮化钛,35份;纳米碳化硅,30份;方解石粉,10份;改性海泡石粉,8份;去离子水,10份;聚乙二醇,8份;硅烷偶联剂KH560,4份;丙烯酸,3份。
所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
复合材料的制备方法:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过250目筛,900℃煅烧1小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,130℃烘干;
步骤S3,1700℃下热压,热压压力为30MPa,热压时间为55分钟。
实施例5:复合材料的制备
原料重量份比:纳米碳化钛,40份;纳米氮化钛,35份;纳米碳化硅,30份;方解石粉,10份;改性海泡石粉,12份;去离子水,10份;聚乙二醇,8份;硅烷偶联剂KH560,4份;丙烯酸,3份。
所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
复合材料的制备方法:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过250目筛,900℃煅烧1小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,130℃烘干;
步骤S3,1700℃下热压,热压压力为30MPa,热压时间为55分钟。
实施例6:对比实施例,海泡石粉不改性
原料重量份比:纳米碳化钛,40份;纳米氮化钛,35份;纳米碳化硅,30份;方解石粉,10份;海泡石粉,10份;去离子水,10份;聚乙二醇,8份;硅烷偶联剂KH560,4份;丙烯酸,3份。
复合材料的制备方法:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和海泡石粉混合球磨后过250目筛,900℃煅烧1小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,130℃烘干;
步骤S3,1700℃下热压,热压压力为30MPa,热压时间为55分钟。
实施例7:效果实施例
分别测试实施例1-6制备的复合材料的硬度、强度和韧度,结果见下表:
维氏硬度(GPa) | 抗弯强度(MPa) | 断裂韧度(MPa·m1/2) | |
实施例1 | 116 | 1220 | 18 |
实施例6 | 98 | 1150 | 7 |
实施例2-5与实施例1基本一致,不再一一罗列。
结果表明,本发明提供的复合材料硬度、强度和韧度高,且制备方法简易,易于实施,可以用于制备高性能陶瓷刀具。
上述实施例的作用在于说明本发明的实质性内容,但并不以此限定本发明的保护范围。本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和保护范围。
Claims (7)
1.一种高韧性复合材料,其特征在于,通过如下重量份的原料制备而成:纳米碳化钛,35-45份;纳米氮化钛,30-40份;纳米碳化硅,25-35份;方解石粉,5-15份;改性海泡石粉,5-15份;去离子水,8-12份;聚乙二醇,6-10份;硅烷偶联剂KH560,3-5份;丙烯酸,2-4份;所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.4-1.6,所述硼酸水溶液的pH为3.3-3.9,浸泡6-8小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.6-7.0,50-60℃烘干即得改性海泡石粉。
2.根据权利要求1所述的高韧性复合材料,其特征在于,所述改性海泡石粉的制备方法为:将海泡石粉放入硼酸水溶液中,所述海泡石粉与硼酸水溶液的体积比为1:1.5,所述硼酸水溶液的pH为3.6,浸泡7小时,随后倒去硼酸水溶液,用水将海泡石粉洗成pH为6.8,55℃烘干即得改性海泡石粉。
3.根据权利要求1所述的高韧性复合材料,其特征在于,通过如下重量份的原料制成:纳米碳化钛,40份;纳米氮化钛,35份;纳米碳化硅,30份;方解石粉,10份;改性海泡石粉,10份;去离子水,10份;聚乙二醇,8份;硅烷偶联剂KH560,4份;丙烯酸,3份。
4.根据权利要求1所述的高韧性复合材料,其特征在于,通过如下重量份的原料制成:纳米碳化钛,35份;纳米氮化钛,30份;纳米碳化硅,25份;方解石粉,5份;改性海泡石粉,5份;去离子水,8份;聚乙二醇,6份;硅烷偶联剂KH560,3份;丙烯酸,2份。
5.根据权利要求1所述的高韧性复合材料,其特征在于,通过如下重量份的原料制成:纳米碳化钛,45份;纳米氮化钛,40份;纳米碳化硅,35份;方解石粉,15份;改性海泡石粉,15份;去离子水,12份;聚乙二醇,10份;硅烷偶联剂KH560,5份;丙烯酸,4份。
6.权利要求1-5任一所述高韧性复合材料的制备方法,其特征在于,包括如下步骤:
步骤S1,将纳米碳化钛、纳米氮化钛、纳米碳化硅、方解石粉和改性海泡石粉混合球磨后过200-300目筛,850-950℃煅烧0.5-1.5小时,得混合颗粒;
步骤S2,向步骤S1所得混合颗粒中加入剩余物料后球磨至混合均匀,120-140℃烘干;
步骤S3,1650-1750℃下热压,热压压力为25-35MPa,热压时间为50-60分钟。
7.权利要求1-5任一所述高韧性复合材料在制备陶瓷刀具中的应用。
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