CN106747372A - 一种耐腐蚀模具材料及其制备方法 - Google Patents
一种耐腐蚀模具材料及其制备方法 Download PDFInfo
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- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims abstract description 32
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- 229910052878 cordierite Inorganic materials 0.000 claims abstract description 17
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- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
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- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims abstract description 16
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Abstract
本发明公开了一种耐腐蚀模具材料及其制备方法,包括以下重量份数的原料:二氧化硅5‑15份、纳米氧化铜5‑8份、苯并恶嗪10‑25份、聚六亚甲基胍1‑3份、三乙烯四胺2‑5份、水杨酸苯酯2‑8份、磷灰石2‑8份、水母2‑8份、a‑亚麻酸3‑6份、偏硼酸钡2‑4份、堇青石2‑5份、2‑乙酰基噻唑2‑8份、水70‑200份。该模具材料具有较强的耐腐蚀能力,而且原材料易得,原材料的成本也较低,生产工艺简单,降低了生产成本;而且生产周期短,增加了生产效率;另外,该模具材料还具有强度高、耐磨性能好的优点。
Description
技术领域
本发明涉及一种模具材料,具体是一种耐腐蚀模具材料及其制备方法。
背景技术
模具是在我国的经济发展中发挥着越来越重要的作用,已经广泛应用于各行各业中。模具成型具有效率高、质量好、节约原材料、降低成本等许多优点。据统计,飞机、坦克、汽车、拖拉机、电机电器、仪器仪表等产品的60%以上的零件,自行车、洗衣机、电冰箱、电风扇、空调、照相机等产品的85%以上的零件,都要用模具生产。没有模具就没有现代化的工业发展,世界各国都非常重视模具工业。
影响模具使用寿命的因素有设计结构、成形及制造工艺、模具材料的选用、热处理工艺及表面强化、润滑及使用维护等。在模具失效的诸多因素中,由于模具用材不当而引起的失效,约占50%。由此可见,正确的用材对模具寿命起到至关重要的作用。
传统的模具材料多为纯金属合金材料,但近年来,随着加工业的不断发展壮大,对模具的质量也提出了越来越高的要求。越来越多的企业选择成本更低、更环保的材料作为模具材料,以尽可能的分摊成本投入。但由于传统的模具在高温工作环境下普遍寿命不高,经高温及长期磨损以及腐蚀的环境下,容易发生开裂损坏、腐蚀程度大,造成产品的损坏率较高,造成很大的损失以及相应的事故。近年来,越来越多的企业选择成本更低、更加环保的高分子材料作为磨具材料,但是由于高分子材料本身存在局限性,在耐腐蚀方面的效果仍然有待提高;而且现有的模具材料的仍然存在制备过程繁琐、周期较长的缺点。
发明内容
本发明的目的在于提供一种耐腐蚀模具材料及其制备方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:
一种耐腐蚀模具材料,包括以下重量份数的原料:二氧化硅5-15份、纳米氧化铜5-8份、苯并恶嗪10-25份、聚六亚甲基胍1-3份、三乙烯四胺2-5份、水杨酸苯酯2-8份、磷灰石2-8份、水母2-8份、a-亚麻酸3-6份、偏硼酸钡2-4份、堇青石2-5份、2-乙酰基噻唑2-8份、水70-200份。
作为本发明进一步的方案:包括以下重量份数的原料:二氧化硅12份、纳米氧化铜6份、苯并恶嗪22份、聚六亚甲基胍1.5份、三乙烯四胺3份、水杨酸苯酯3份、磷灰石5份、水母6份、a-亚麻酸5份、偏硼酸钡3份、堇青石3份、2-乙酰基噻唑5份、水85份。
一种耐腐蚀模具材料的制备方法,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨11-12h,得到稳定的悬浮浆料;
(3)制备水母提取物:将水母脱盐处理后,采用酸性水解剂和碱性水解剂进行水解处理,得到酸性粘稠液和碱性粘稠液;然后将酸性粘稠液和碱性粘稠液分别进行分离处理,得到酸性清液和碱性清液,再将酸性清液和碱性清液合并,得到混合清液;最后将混合清液浓缩后除去杂质,即得到水母提取物;
(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨15-25min后,真空除泡5-8min;
(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥12-20h,脱模,烘干,得模具素坯;
(6)模具素坯装模,装炉,然后进行真空脱胶处理;
(7)脱胶完成后,通入氮气,先升温至500-700℃,恒温10-15min后再升温至1200-1500℃,同时第一次升压至80-85kPa,恒温恒压30-40min,然后第二次升压至6-9MPa,再恒温恒压15-20min,然后第三次升压至12-15MPa,再恒温恒压10-20min,断电停炉,冷却后出炉,即得成品。
作为本发明再进一步的方案:所述步骤(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨22min后,真空除泡6min。
作为本发明再进一步的方案:所述步骤(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥15h,脱模,烘干,得模具素坯。
作为本发明再进一步的方案:所述步骤(7)脱胶完成后,通入氮气,先升温至600℃,恒温12min后再升温至1300℃,同时第一次升压至82kPa,恒温恒压35min,然后第二次升压至7MPa,再恒温恒压15-20min,然后第三次升压至13MPa,再恒温恒压16min,断电停炉,冷却后出炉,即得成品。
与现有技术相比,本发明的有益效果是:
该模具材料具有较强的耐腐蚀能力,而且原材料易得,原材料的成本也较低,生产工艺简单,降低了生产成本;而且生产周期短,增加了生产效率;另外,该模具材料还具有强度高、耐磨性能好的优点。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
实施例1
一种耐腐蚀模具材料,包括以下重量份数的原料:二氧化硅5份、纳米氧化铜5份、苯并恶嗪10份、聚六亚甲基胍1份、三乙烯四胺2份、水杨酸苯酯2份、磷灰石2份、水母2份、a-亚麻酸3份、偏硼酸钡2份、堇青石2份、2-乙酰基噻唑2份、水70份。
一种耐腐蚀模具材料的制备方法,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨11h,得到稳定的悬浮浆料;
(3)制备水母提取物:将水母脱盐处理后,采用酸性水解剂和碱性水解剂进行水解处理,得到酸性粘稠液和碱性粘稠液;然后将酸性粘稠液和碱性粘稠液分别进行分离处理,得到酸性清液和碱性清液,再将酸性清液和碱性清液合并,得到混合清液;最后将混合清液浓缩后除去杂质,即得到水母提取物;
(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨15min后,真空除泡5min;
(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥12h,脱模,烘干,得模具素坯;
(6)模具素坯装模,装炉,然后进行真空脱胶处理;
(7)脱胶完成后,通入氮气,先升温至500℃,恒温10min后再升温至1200℃,同时第一次升压至80kPa,恒温恒压30min,然后第二次升压至6MPa,再恒温恒压15min,然后第三次升压至12MPa,再恒温恒压10min,断电停炉,冷却后出炉,即得成品。
实施例2
一种耐腐蚀模具材料,包括以下重量份数的原料:二氧化硅15份、纳米氧化铜8份、苯并恶嗪25份、聚六亚甲基胍3份、三乙烯四胺5份、水杨酸苯酯8份、磷灰石8份、水母8份、a-亚麻酸6份、偏硼酸钡4份、堇青石5份、2-乙酰基噻唑8份、水200份。
一种耐腐蚀模具材料的制备方法,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨12h,得到稳定的悬浮浆料;
(3)制备水母提取物:将水母脱盐处理后,采用酸性水解剂和碱性水解剂进行水解处理,得到酸性粘稠液和碱性粘稠液;然后将酸性粘稠液和碱性粘稠液分别进行分离处理,得到酸性清液和碱性清液,再将酸性清液和碱性清液合并,得到混合清液;最后将混合清液浓缩后除去杂质,即得到水母提取物;
(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨25min后,真空除泡8min;
(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥20h,脱模,烘干,得模具素坯;
(6)模具素坯装模,装炉,然后进行真空脱胶处理;
(7)脱胶完成后,通入氮气,先升温至700℃,恒温15min后再升温至1500℃,同时第一次升压至85kPa,恒温恒压40min,然后第二次升压至9MPa,再恒温恒压20min,然后第三次升压至15MPa,再恒温恒压20min,断电停炉,冷却后出炉,即得成品。
实施例3
一种耐腐蚀模具材料,包括以下重量份数的原料:二氧化硅12份、纳米氧化铜6份、苯并恶嗪22份、聚六亚甲基胍1.5份、三乙烯四胺3份、水杨酸苯酯3份、磷灰石5份、水母6份、a-亚麻酸5份、偏硼酸钡3份、堇青石3份、2-乙酰基噻唑5份、水85份。
一种耐腐蚀模具材料的制备方法,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨11.5h,得到稳定的悬浮浆料;
(3)制备水母提取物:将水母脱盐处理后,采用酸性水解剂和碱性水解剂进行水解处理,得到酸性粘稠液和碱性粘稠液;然后将酸性粘稠液和碱性粘稠液分别进行分离处理,得到酸性清液和碱性清液,再将酸性清液和碱性清液合并,得到混合清液;最后将混合清液浓缩后除去杂质,即得到水母提取物;
(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨22min后,真空除泡6min;
(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥15h,脱模,烘干,得模具素坯;
(6)模具素坯装模,装炉,然后进行真空脱胶处理;
(7)脱胶完成后,通入氮气,先升温至600℃,恒温12min后再升温至1300℃,同时第一次升压至82kPa,恒温恒压35min,然后第二次升压至7MPa,再恒温恒压15-20min,然后第三次升压至13MPa,再恒温恒压16min,断电停炉,冷却后出炉,即得成品。
对比例1
一种耐腐蚀模具材料,包括以下重量份数的原料:二氧化硅12份、纳米氧化铜6份、苯并恶嗪22份、聚六亚甲基胍1.5份、三乙烯四胺3份、水杨酸苯酯3份、磷灰石5份、a-亚麻酸5份、偏硼酸钡3份、堇青石3份、2-乙酰基噻唑5份、水85份。
一种耐腐蚀模具材料的制备方法,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨11.5h,得到稳定的悬浮浆料;
(3)在浆料中加入2-乙酰基噻唑,球磨22min后,真空除泡6min;
(4)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥15h,脱模,烘干,得模具素坯;
(5)模具素坯装模,装炉,然后进行真空脱胶处理;
(6)脱胶完成后,通入氮气,先升温至600℃,恒温12min后再升温至1300℃,同时第一次升压至82kPa,恒温恒压35min,然后第二次升压至7MPa,再恒温恒压15-20min,然后第三次升压至13MPa,再恒温恒压16min,断电停炉,冷却后出炉,即得成品。
对比例2
一种耐腐蚀模具材料,包括以下重量份数的原料:二氧化硅12份、纳米氧化铜6份、苯并恶嗪22份、聚六亚甲基胍1.5份、三乙烯四胺3份、水杨酸苯酯3份、磷灰石5份、水母6份、a-亚麻酸5份、偏硼酸钡3份、堇青石3份、水85份。
一种耐腐蚀模具材料的制备方法,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨11.5h,得到稳定的悬浮浆料;
(3)制备水母提取物:将水母脱盐处理后,采用酸性水解剂和碱性水解剂进行水解处理,得到酸性粘稠液和碱性粘稠液;然后将酸性粘稠液和碱性粘稠液分别进行分离处理,得到酸性清液和碱性清液,再将酸性清液和碱性清液合并,得到混合清液;最后将混合清液浓缩后除去杂质,即得到水母提取物;
(4)在浆料中加入水母提取物,球磨22min后,真空除泡6min;
(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥15h,脱模,烘干,得模具素坯;
(6)模具素坯装模,装炉,然后进行真空脱胶处理;
(7)脱胶完成后,通入氮气,先升温至600℃,恒温12min后再升温至1300℃,同时第一次升压至82kPa,恒温恒压35min,然后第二次升压至7MPa,再恒温恒压15-20min,然后第三次升压至13MPa,再恒温恒压16min,断电停炉,冷却后出炉,即得成品。
测试实施例1-3和对比例1-2制备的模具材料的耐腐蚀性能,将实施例1-3和对比例1-2制备的模具材料分别放在5wt%的硫酸溶液中和20wt%的氢氧化钠的溶液中,放置20h。观察20h后模具材料的变化。其中,对比例1中未添加水母、对比例2中未添加2-乙酰基噻唑。实验结果如下:
实施例1-2制备的模具材料在酸液和碱液中放置20h后,无斑点、腐蚀坑情况,略有色泽变暗。
实施例3制备的模具材料在酸液和碱液中放置了20h后,无斑点、腐蚀坑情况,色泽几乎无变化。
对比例1制备的模具材料在酸液和碱液中放置了20h后,有明显的斑点、腐蚀坑、脱落情况,而且色泽明显变暗。
对比例2制备的模具材料在酸液和碱液中放置了20h后,有明显的斑点、腐蚀坑情况,而且色泽明显变暗。
实验结果可以看出,通过在原料中添加水母和2-乙酰基噻唑发生了意想不到的协同作用,可以有效提高模具材料的耐腐蚀性能。
该模具材料具有较强的耐腐蚀能力,而且原材料易得,原材料的成本也较低,生产工艺简单,降低了生产成本;而且生产周期短,增加了生产效率;另外,该模具材料还具有强度高、耐磨性能好的优点。
上面对本专利的较佳实施方式作了详细说明,但是本专利并不限于上述实施方式,在本领域的普通技术人员所具备的知识范围内,还可以在不脱离本专利宗旨的前提下做出各种变化。
Claims (6)
1.一种耐腐蚀模具材料,其特征在于,包括以下重量份数的原料:二氧化硅5-15份、纳米氧化铜5-8份、苯并恶嗪10-25份、聚六亚甲基胍1-3份、三乙烯四胺2-5份、水杨酸苯酯2-8份、磷灰石2-8份、水母2-8份、a-亚麻酸3-6份、偏硼酸钡2-4份、堇青石2-5份、2-乙酰基噻唑2-8份、水70-200份。
2.根据权利要求1所述的耐腐蚀模具材料,其特征在于,包括以下重量份数的原料:二氧化硅12份、纳米氧化铜6份、苯并恶嗪22份、聚六亚甲基胍1.5份、三乙烯四胺3份、水杨酸苯酯3份、磷灰石5份、水母6份、a-亚麻酸5份、偏硼酸钡3份、堇青石3份、2-乙酰基噻唑5份、水85份。
3.一种如权利要求1-2任一所述的耐腐蚀模具材料的制备方法,其特征在于,具体步骤为:
(1)按照重量份数称取各原料,备用;
(2)将二氧化硅、纳米氧化铜、苯并恶嗪、聚六亚甲基胍、三乙烯四胺、水杨酸苯酯、磷灰石、a-亚麻酸、偏硼酸钡、堇青石和水放入球磨机进行球磨11-12h,得到稳定的悬浮浆料;
(3)制备水母提取物:将水母脱盐处理后,采用酸性水解剂和碱性水解剂进行水解处理,得到酸性粘稠液和碱性粘稠液;然后将酸性粘稠液和碱性粘稠液分别进行分离处理,得到酸性清液和碱性清液,再将酸性清液和碱性清液合并,得到混合清液;最后将混合清液浓缩后除去杂质,即得到水母提取物;
(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨15-25min后,真空除泡5-8min;
(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥12-20h,脱模,烘干,得模具素坯;
(6)模具素坯装模,装炉,然后进行真空脱胶处理;
(7)脱胶完成后,通入氮气,先升温至500-700℃,恒温10-15min后再升温至1200-1500℃,同时第一次升压至80-85kPa,恒温恒压30-40min,然后第二次升压至6-9MPa,再恒温恒压15-20min,然后第三次升压至12-15MPa,再恒温恒压10-20min,断电停炉,冷却后出炉,即得成品。
4.根据权利要求3所述的耐腐蚀模具材料的制备方法,其特征在于,所述步骤(4)在浆料中加入水母提取物、2-乙酰基噻唑,球磨22min后,真空除泡6min。
5.根据权利要求3所述的耐腐蚀模具材料的制备方法,其特征在于,所述步骤(5)将真空除泡后的浆料注入成型模具中,原位凝固胶态成型,室温下干燥15h,脱模,烘干,得模具素坯。
6.根据权利要求3所述的耐腐蚀模具材料的制备方法,其特征在于,所述步骤(7)脱胶完成后,通入氮气,先升温至600℃,恒温12min后再升温至1300℃,同时第一次升压至82kPa,恒温恒压35min,然后第二次升压至7MPa,再恒温恒压15-20min,然后第三次升压至13MPa,再恒温恒压16min,断电停炉,冷却后出炉,即得成品。
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