CN114083447A - 一种金属骨架增强陶瓷基复合结合剂的制备方法 - Google Patents
一种金属骨架增强陶瓷基复合结合剂的制备方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 43
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- 239000011226 reinforced ceramic Substances 0.000 title claims abstract description 15
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- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000000498 ball milling Methods 0.000 claims abstract description 25
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- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 8
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 8
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- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
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- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000011812 mixed powder Substances 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
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- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
- B28B17/026—Conditioning ceramic materials
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Abstract
本发明公开了一种金属骨架增强陶瓷基复合结合剂的制备方法,首先将低温陶瓷结合剂粉末与高岭土、羧甲基纤维素、硅溶胶、聚乙烯亚胺、辛醇混合均匀,将混合物放入球磨机中进行球磨;其次将球磨所得粉末与去离子水按照一定比例配置成浆料;最后将金属骨架置于模中,而后将所得浆料浇灌于模内,待其凝固成型,即可得到金属骨架增强陶瓷基复合结合剂。本发明所得复合结合剂与传统金属粉末增强陶瓷结合剂相比,具有较好的力学性能,可用做新一代超硬砂轮结合剂。
Description
技术领域
本发明专利涉及金属陶瓷复合结合剂的领域,具体为金属粉末制成金属骨架,以金属骨架增强陶瓷基复合结合剂的制备方法,主要应用在磨削、抛光等领域。
背景技术
材料的发展影响着科技的发展,新型材料的发展对于整个社会各个部门的发展有着巨大的影响。因此如何开展新型材料的研究,是当下一个重点问题。现在科学水平的快速发展,使得工业对于材料的性能提出了更加严格的要求,诸如较高的机械强度,较高的杨氏模量,较高的导热系数,较高的耐热性以及较高的耐磨擦磨损系数等。现如今传统的单相材料已经无法满足日益增长的需求,因此很多材料研究学者开始向复合材料方向进行研究。
切削与加工是现在处理材料的有力手段,而磨削质量的高低则可以体现出一个国家基础工业的水平。磨具作为磨床的一部分,在材料切削成形过程中起着至关重要的作用,特别是对于切削过程中被处理材料的磨削效率以及磨削质量,更是重中之重。磨具是磨料与结合剂复合而成,按照磨料的种类可以将磨具分为普通模具以及超硬磨具。普通磨具就是磨料为普通磨料的磨具,而超硬磨具则是磨料为超硬磨料的磨具。在磨削过程中,超硬磨具与普通磨具相比,以金刚石为代表的超硬磨具具备了以下优势:1、磨削力小且稳定,由于金刚石磨粒具有很高的硬度和耐磨性,因此磨粒能够在很长的时间内保持锋利,切入工件比较容易,利于机床动力消耗和磨削振动的减少,提高了工件的加工精度和表面粗糙度。2、磨削热小。金刚石导热率高,散热快,因而磨削区温度低,工件表面热应力小,从而保证了工件表面质量,延长了工件和磨具的使用寿命。3、磨削比高。金刚石磨料的硬度极高,磨削中自身磨损较少,因而金刚石磨具磨削时磨削比很高,服役寿命很长,加工中修整和更换次数得到有效的降低,因而大幅度提升了加工的效率。4、满足特殊的加工对象。金刚石磨具的以上优势,使其成为磨削硬脆材料及硬质合金的理想工具。
陶瓷基金属-陶瓷复合结合剂是以陶瓷结合剂为主体,金属或金属结合剂为添加相复合而成的结合剂。现有的金属粉末增强陶瓷基复合结合剂存在各向异性的缺点,为解决这一问题,本发明采用金属骨架代替粉末增强结合剂。
发明内容
本发明的目的是:提供一种金属骨架增强陶瓷基复合结合剂的制备方法。
本发明为一种金属骨架增强陶瓷基复合结合剂的制备方法,具体为金属粉末制成金属骨架,采用溶胶凝胶的方式制备复合结合剂。具体包括如下步骤:
步骤1:将低温陶瓷结合剂粉末与高岭土、羧甲基纤维素、硅溶胶、聚乙烯亚胺、辛醇混合均匀,将混合物放入球磨机中进行球磨;
步骤2:将步骤1中球磨所得粉末与去离子水按照一定比例配置成浆料;
步骤3:将金属骨架置于模中,而后将步骤2中所得浆料浇灌于模内,待其凝固成型,即可得到金属骨架增强陶瓷基复合结合剂。
步骤1中,低温陶瓷结合剂粉末:高岭土:羧甲基纤维素:硅溶胶:聚乙烯亚胺:辛醇的质量分数比例为(20-40):(40-20):(2-5):(5-2):(30-32):(3-1),球磨时间为1-3h,球磨转速为200-400rpm,金属骨架包括但不仅限于铜、铁、镍等;
步骤2中,球磨所得粉末与去离子水比例为4:6-6:4。
与现有技术相比,本发明的有益效果体现在:
1、本发明所使用金属骨架为市售产品,全过程可操作性强,易批量生产。
2、本发明采用金属骨架代替金属粉末增强陶瓷基结合剂,有效解决了各向异性的问题。
3、本发明采用凝胶注模成型的方式,有助于得到均匀致密的复合结合剂。
具体实施方式
如下通过实施例对本发明作进一步说明,但本发明的实施方式不仅限于此。
本发明所采用的金属骨架、浆料原料均为市售产品。
实施例1:
步骤1:将低温陶瓷结合剂粉末与高岭土、羧甲基纤维素、硅溶胶、聚乙烯亚胺、辛醇按照质量分数比例为20:40:2:5:30:3混合均匀,将混合物放入球磨机中进行球磨,球磨时间为1h,球磨转速为200rpm;
步骤2:将步骤1中球磨所得粉末与去离子水按照4:6的体积比例配置成浆料;
步骤3:将铜金属骨架置于模中,而后将步骤2中所得浆料浇灌于模内,待其凝固成型,即可得到金属骨架增强陶瓷基复合结合剂。
实施例2:
步骤1:将低温陶瓷结合剂粉末与高岭土、羧甲基纤维素、硅溶胶、聚乙烯亚胺、辛醇按照质量分数比例为30:30:3:3:32:2混合均匀,将混合物放入球磨机中进行球磨,球磨时间为2h,球磨转速为300rpm;
步骤2:将步骤1中球磨所得粉末与去离子水按照5:5的体积比例配置成浆料;
步骤3:将铁金属骨架置于模中,而后将步骤2中所得浆料浇灌于模内,待其凝固成型,即可得到金属骨架增强陶瓷基复合结合剂。
实施例3:
步骤1:将低温陶瓷结合剂粉末与高岭土、羧甲基纤维素、硅溶胶、聚乙烯亚胺、辛醇按照质量分数比例为40:20:5:2:32:1混合均匀,将混合物放入球磨机中进行球磨,球磨时间为3h,球磨转速为400rpm;
步骤2:将步骤1中球磨所得粉末与去离子水按照6:4的体积比例配置成浆料;
步骤3:将镍金属骨架置于模中,而后将步骤2中所得浆料浇灌于模内,待其凝固成型,即可得到金属骨架增强陶瓷基复合结合剂。
本发明的目的是制备金属骨架增强陶瓷基复合结合剂,改变金属粉末增强各向异性的问题。因此,采用金属骨架代替金属粉末制备金属陶瓷复合结合剂,对于改善结合剂的力学性能具有很大意义。
Claims (5)
1.一种金属骨架增强陶瓷基复合结合剂的制备方法,其特征在于:
以金属粉末制成金属骨架,以金属骨架增强陶瓷基复合结合剂。
2.根据权利要求1所述的制备方法,其特征在于包括以下步骤:
步骤1:将低温陶瓷结合剂粉末与高岭土、羧甲基纤维素、硅溶胶、聚乙烯亚胺、辛醇混合均匀,将混合物放入球磨机中进行球磨;
步骤2:将步骤1中球磨所得粉末与去离子水按照一定比例配置成浆料;
步骤3:将金属骨架置于模中,而后将步骤2中所得浆料浇灌于模内,待其凝固成型,即可得到金属骨架增强陶瓷基复合结合剂。
3.根据权利要求2所述的制备方法,其特征在于:
步骤1中,低温陶瓷结合剂粉末:高岭土:羧甲基纤维素:硅溶胶:聚乙烯亚胺:辛醇的质量分数比例为(20-40):(40-20):(2-5):(5-2):(30-32):(3-1),球磨时间为1-3h,球磨转速为200-400rpm,金属骨架包括但不仅限于铜、铁、镍等。
4.根据权利要求2所述的制备方法,其特征在于:
步骤3中混合粉料置于三维混料机干混时长为3-4小时,干混后的粉料置于添加无水乙醇的球磨罐中湿混时长为5-6小时。
5.根据权利要求2所述的制备方法,其特征在于:
步骤2中,球磨所得粉末与去离子水比例为4:6-6:4。
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