CN107779851A - 一种碳纤维/非晶合金复合电磁波吸收材料及其制备方法 - Google Patents
一种碳纤维/非晶合金复合电磁波吸收材料及其制备方法 Download PDFInfo
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- 239000004917 carbon fiber Substances 0.000 title claims abstract description 73
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 68
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000005300 metallic glass Substances 0.000 title claims abstract description 25
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 8
- 230000002745 absorbent Effects 0.000 claims abstract description 6
- 239000002250 absorbent Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000007747 plating Methods 0.000 claims description 44
- 239000008367 deionised water Substances 0.000 claims description 30
- 229910021641 deionized water Inorganic materials 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 30
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 16
- 229910001868 water Inorganic materials 0.000 claims description 15
- 239000003643 water by type Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 229910002666 PdCl2 Inorganic materials 0.000 claims description 8
- 101150003085 Pdcl gene Proteins 0.000 claims description 8
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 241000080590 Niso Species 0.000 claims description 5
- 238000002242 deionisation method Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 5
- 239000001509 sodium citrate Substances 0.000 claims description 5
- 238000010129 solution processing Methods 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 238000010306 acid treatment Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 abstract description 5
- 229910017709 Ni Co Inorganic materials 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 6
- 239000000956 alloy Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
本发明涉及吸波材料技术领域,具体涉及一种碳纤维/非晶合金复合电磁波吸收材料及其制备方法。所述电磁波吸收材料采用碳纤维与Ni‑Co‑Fe‑P非晶合金层复合而成。该材料将具备电阻损耗,介电损耗、磁损耗三位一体有效结合的电磁损耗特性,同时是一种可实现电磁参数可调、高强及宽频吸收的高性能智能化的电磁吸波材料。
Description
技术领域
本发明涉及吸波材料技术领域,具体涉及一种碳纤维/非晶合金复合电磁波吸收材料及其制备方法。
背景技术
随着电子信息的不断发展,不管在军事领域还是在民用领域,电磁波给行业带来福音的同时,也产生了诸多问题,如电子信息干扰,安全信息保密问题,以及电磁辐射对人们产生的健康问题。
碳纤维是一种十分优良的材料。碳纤维的物理性能上具有强度大、模量高的特点。化学性能稳定,不燃烧,不受酸、盐等溶液侵蚀。碳纤维的线膨胀系数小,在高温下机械性能变化小;碳纤维有良好的导电,可反射电磁波,电磁波密封性能好,X射线通过性能良好。由于碳纤维具有这些优良的性能,使它的应用范围极为广阔。
而非晶态合金属于非晶态材料中新兴的分支,在非晶合金材料研究领域,除了已较常见的利用非晶材料优良电磁特性的应用之外,还出现了利用非晶合金材料的强度、硬度等特殊性能的新型材料。这些非晶合金材料将来可航空航天领域、军事兵器领域、化学工业、医疗与体育器材等领域发挥重大作用。
但是目前还没有相关的吸波材料及相关的制备方法。
发明内容
本发明的目的是为了解决上述问题,提供一种碳纤维/非晶合金复合电磁波吸收材料及其制备方法。
本实验将探索构建非晶合金/碳纤维复合吸波体系,并通过对复合纤维集合取向结构设计,将电阻损耗,介电损耗、磁损耗三位一体有效结合,实现宽频段强吸收的性能。为推进新型电磁吸波材料的发展提供一种新思路。本项目以化学镀的方法构筑非晶合金/碳纤维磁功能化复合纤维吸波材料,通过对纤维集合的取向结构设计,构筑具备电阻损耗,介电损耗、磁损耗三位一体有效结合,并可实现电磁参数可调、高强及宽频吸收的高性能智能化非晶合金/碳纤维复合吸波体系。探讨研究非晶合金/碳纤维复合吸波体系构建及合成机理,分析复合纤维集合取向结构设计对体系电磁参数的影响,阐释非晶合金/碳纤维复合吸波体系的吸波机理。
本发明的目的设计并构建以碳纤维为构架,采用硼酸为缓冲剂、柠檬酸钠为络合剂,利用化学镀的方法,以钯作为催化剂使Ni-Co-Fe-P非晶合金在碳纤维表面形成层,并使两者的优异性能得到有机结合,得出新型并具有良好物理性能和吸波性能的高性能碳纤维非晶合金复合吸波材料。
为了达到上述发明目的,本发明采用以下技术方案:
一种碳纤维/非晶合金复合电磁波吸收材料,所述电磁波吸收材料采用碳纤维与Ni-Co-Fe-P非晶合金层复合而成。
一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,包括以下步骤:
1)采用Na3C6H5O7.2H2O、H3BO3、Na2H2PO2.H2O与NiSO4.6H2O、CoSO4.7H2O、FeSO4.7H2O配制成镀液;
2)采用硝酸处理碳纤维;
3)配制PdCl2溶液和SnCl2溶液;
4)采用SnCl2溶液处理碳纤维;
5)然后采用PdCl2溶液处理碳纤维;
6)将处理后的碳纤维置于镀液中进行反应,得到产物。
作为优选的方案,制备方法具体为:
1)在1000ml烧杯中加入NiSO4.6H2O 10.54g,并加入50ml去离子水搅拌溶解;
然后加入CoSO4.7H2O 4.22g,并加入50ml去离子水搅拌溶解;
然后加入FeSO4.7H2O 4.78g,并加入50ml去离子水后搅拌溶解;
然后加入Na3C6H5O7. 2H2O 34.2g,并加入100ml去离子水后搅拌溶解;
然后加入H3BO3 15.5g,并加入150ml去离子水搅拌溶解;
然后加入Na2H2PO2.H2O 18.1g,并加入50ml去离子水后搅拌溶解;
搅拌混合均匀后制得镀液;
2)将100ml浓HNO3稀释成300ml的溶液,之后放入碳纤维3g,在60℃水浴下处理碳纤维1-2h;
3)称取0.045gPdCl2,在250ml容量瓶中配制成0.18g/L的PdCl2溶液;称取4gSnCl2,在250ml容量瓶中配制成16g/L的SnCl2溶液;在配制过程中先用1mol/L的HCl溶解再加去离子水配制成溶液;
4)将处理后的碳纤维浸入到16g/L的SnCl2溶液中,时间为10min,然后将碳纤维取出,用去离子水清洗后烘干静置;
5)将SnCl2溶液处理后的碳纤维浸人到0.18g/L的PdCl2溶液中,时间为10min,满10min后将碳纤维取出,用去离子水清洗后烘干静置;
6)将干燥后的碳纤维放入到步骤1)中的镀液中,在60℃水浴下加热镀60min-90min取出,用去离子水清洗烘干,得到产品。
作为优选的方案,在所述步骤2)中,碳纤维的表面进行改性在60℃水浴下处理1h。
作为优选的方案,在所述步骤6)中,化学镀在60℃水浴条件下进行1h。
作为优选的方案,步骤6)中化学镀开始时,调节混合液的pH为7-8。
作为优选的方案,步骤6)中化学镀开始后,0-10min内pH为7.5-8,第10-20min内,将镀液pH调整为6.5-6.8;30min后,将镀液pH调整为7.2-7.5,50min后,将pH调整为8-9。本申请将化学镀过程分为多个过程,每个过程侧重不同,通过多个不同的参数过程,可以使Ni-Co-Fe-P的镀层更加致密从而提高吸波性。
作为优选的方案,在步骤6)中的镀液中加入柠檬酸钠3-5g。通过加入柠檬酸钠,可以提高Ni、Co-Fe的均匀性。
本发明与现有技术相比,有益效果是:
该材料将具备电阻损耗,介电损耗、磁损耗三位一体有效结合的电磁损耗特性,同时是一种可实现电磁参数可调、高强及宽频吸收的高性能智能化的电磁吸波材料。
具体实施方式
下面通过具体实施例对本发明的技术方案作进一步描述说明。
如果无特殊说明,本发明的实施例中所采用的原料均为本领域常用的原料,实施例中所采用的方法,均为本领域的常规方法。
一种碳纤维/非晶合金复合电磁波吸收材料,所述电磁波吸收材料采用碳纤维与Ni-Co-Fe-P非晶合金层复合而成,其制备方法,包括以下步骤:
1)采用Na3C6H5O7.2H2O、H3BO3、Na2H2PO2.H2O与NiSO4.6H2O、CoSO4.7H2O、FeSO4.7H2O配制成镀液;
2)采用硝酸处理碳纤维;
3)配制PdCl2溶液和SnCl2溶液;
4)采用SnCl2溶液处理碳纤维;
5)然后采用PdCl2溶液处理碳纤维;
6)将处理后的碳纤维置于镀液中进行反应,得到产物。
实施例1:
一种碳纤维/非晶合金复合电磁波吸收材料的制备方法具体为:
1)在1000ml烧杯中加入NiSO4.6H2O 10.54g,并加入50ml去离子水搅拌溶解;
然后加入CoSO4.7H2O 4.22g,并加入50ml去离子水搅拌溶解;
然后加入FeSO4.7H2O 4.78g,并加入50ml去离子水后搅拌溶解;
然后加入Na3C6H5O7. 2H2O 34.2g,并加入100ml去离子水后搅拌溶解;
然后加入H3BO3 15.5g,并加入150ml去离子水搅拌溶解;
然后加入Na2H2PO2.H2O 18.1g,并加入50ml去离子水后搅拌溶解;
搅拌混合均匀后制得镀液;
2)将100ml浓HNO3稀释成300ml的溶液,之后放入碳纤维3g,在60℃水浴下处理碳纤维1-2h,优选为1h;
3)称取0.045gPdCl2,在250ml容量瓶中配制成0.18g/L的PdCl2溶液;称取4gSnCl2,在250ml容量瓶中配制成16g/L的SnCl2溶液;在配制过程中先用1mol/L的HCl溶解再加去离子水配制成溶液;
4)将处理后的碳纤维浸入到16g/L的SnCl2溶液中,时间为10min,然后将碳纤维取出,用去离子水清洗后烘干静置;
5)将SnCl2溶液处理后的碳纤维浸人到0.18g/L的PdCl2溶液中,时间为10min,满10min后将碳纤维取出,用去离子水清洗后烘干静置;
6)将干燥后的碳纤维放入到步骤1)中的镀液中,在60℃水浴下加热镀,化学镀开始后,0-10min内pH为7.5-8,第10-20min内,将镀液pH调整为6.5-6.8;30min后,将镀液pH调整为7.2-7.5,50min后,将pH调整为8-9,化学镀时间为60min-90min,优选的镀的时间为1h,最后用去离子水清洗烘干,得到产品。
实施例2:
一种碳纤维/非晶合金复合电磁波吸收材料的制备方法具体为:
1)在1000ml烧杯中加入NiSO4.6H2O 10.54g,并加入50ml去离子水搅拌溶解;
然后加入CoSO4.7H2O 4.22g,并加入50ml去离子水搅拌溶解;
然后加入FeSO4.7H2O 4.78g,并加入50ml去离子水后搅拌溶解;
然后加入Na3C6H5O7. 2H2O 34.2g,并加入100ml去离子水后搅拌溶解;
然后加入H3BO3 15.5g,并加入150ml去离子水搅拌溶解;
然后加入Na2H2PO2.H2O 18.1g,并加入50ml去离子水后搅拌溶解;
搅拌混合均匀后制得镀液;
2)将100ml浓HNO3稀释成300ml的溶液,之后放入碳纤维3g,在60℃水浴下处理碳纤维1-2h,优选为1h;
3)称取0.045gPdCl2,在250ml容量瓶中配制成0.18g/L的PdCl2溶液;称取4gSnCl2,在250ml容量瓶中配制成16g/L的SnCl2溶液;在配制过程中先用1mol/L的HCl溶解再加去离子水配制成溶液;
4)将处理后的碳纤维浸入到16g/L的SnCl2溶液中,时间为10min,然后将碳纤维取出,用去离子水清洗后烘干静置;
5)将SnCl2溶液处理后的碳纤维浸人到0.18g/L的PdCl2溶液中,时间为10min,满10min后将碳纤维取出,用去离子水清洗后烘干静置;
6)将干燥后的碳纤维放入到步骤1)中的镀液中,调节混合液的pH为7-8,在60℃水浴下加热镀60min-90min取出,优选的镀的时间为1h,最后用去离子水清洗烘干,得到产品。
实施例1:
一种碳纤维/非晶合金复合电磁波吸收材料的制备方法具体为:
1)在1000ml烧杯中加入NiSO4.6H2O 10.54g,并加入50ml去离子水搅拌溶解;
然后加入CoSO4.7H2O 4.22g,并加入50ml去离子水搅拌溶解;
然后加入FeSO4.7H2O 4.78g,并加入50ml去离子水后搅拌溶解;
然后加入Na3C6H5O7. 2H2O 34.2g,并加入100ml去离子水后搅拌溶解;
然后加入H3BO3 15.5g,并加入150ml去离子水搅拌溶解;
然后加入Na2H2PO2.H2O 18.1g,并加入50ml去离子水后搅拌溶解;
搅拌混合均匀后制得镀液;
2)将100ml浓HNO3稀释成300ml的溶液,之后放入碳纤维3g,在60℃水浴下处理碳纤维1-2h,优选为1h;
3)称取0.045gPdCl2,在250ml容量瓶中配制成0.18g/L的PdCl2溶液;称取4gSnCl2,在250ml容量瓶中配制成16g/L的SnCl2溶液;在配制过程中先用1mol/L的HCl溶解再加去离子水配制成溶液;
4)将处理后的碳纤维浸入到16g/L的SnCl2溶液中,时间为10min,然后将碳纤维取出,用去离子水清洗后烘干静置;
5)将SnCl2溶液处理后的碳纤维浸人到0.18g/L的PdCl2溶液中,时间为10min,满10min后将碳纤维取出,用去离子水清洗后烘干静置;
6)将干燥后的碳纤维放入到步骤1)中的镀液中,并在镀液中加入柠檬酸钠3-5g,在60℃水浴下加热镀,化学镀开始后,0-10min内pH为7.5-8,第10-20min内,将镀液pH调整为6.5-6.8;30min后,将镀液pH调整为7.2-7.5,50min后,将pH调整为8-9,化学镀时间为60min-90min,优选的镀的时间为1h,最后用去离子水清洗烘干,得到产品。
最后测试,实施例2和3制备的材料的吸波性能比实施例制备的吸波性能提高了10-15%,其中实施例3制备的材料的吸波性能更好。
这是因为,实施例2和3的化学镀工艺,能够使碳纤维负载更加均匀和致密的非晶合金层,从而提高材料的吸波性能。
Claims (8)
1.一种碳纤维/非晶合金复合电磁波吸收材料,其特征在于,所述电磁波吸收材料采用碳纤维与Ni-Co-Fe-P非晶合金层复合而成。
2.一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,包括以下步骤:
1)采用Na3C6H5O7.2H2O、H3BO3、Na2H2PO2.H2O与NiSO4.6H2O、CoSO4.7H2O、FeSO4.7H2O配制成镀液;
2)采用硝酸处理碳纤维;
3)配制PdCl2溶液和SnCl2溶液;
4)采用SnCl2溶液处理碳纤维;
5)然后采用PdCl2溶液处理碳纤维;
6)将处理后的碳纤维置于镀液中进行反应,得到产物。
3.根据权利要求2的一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,制备方法具体为:
1)在1000ml烧杯中加入NiSO4.6H2O 10.54g,并加入50ml去离子水搅拌溶解;
然后加入CoSO4.7H2O 4.22g,并加入50ml去离子水搅拌溶解;
然后加入FeSO4.7H2O 4.78g,并加入50ml去离子水后搅拌溶解;
然后加入Na3C6H5O7. 2H2O 34.2g,并加入100ml去离子水后搅拌溶解;
然后加入H3BO3 15.5g,并加入150ml去离子水搅拌溶解;
然后加入Na2H2PO2.H2O 18.1g,并加入50ml去离子水后搅拌溶解;
搅拌混合均匀后制得镀液;
2)将100ml浓HNO3稀释成300ml的溶液,之后放入碳纤维3g,在60℃水浴下处理碳纤维1-2h;
3)称取0.045gPdCl2,在250ml容量瓶中配制成0.18g/L的PdCl2溶液;称取4gSnCl2,在250ml容量瓶中配制成16g/L的SnCl2溶液;在配制过程中先用1mol/L的HCl溶解再加去离子水配制成溶液;
4)将处理后的碳纤维浸入到16g/L的SnCl2溶液中,时间为10min,然后将碳纤维取出,用去离子水清洗后烘干静置;
5)将SnCl2溶液处理后的碳纤维浸人到0.18g/L的PdCl2溶液中,时间为10min,满10min后将碳纤维取出,用去离子水清洗后烘干静置;
6)将干燥后的碳纤维放入到步骤1)中的镀液中,在60℃水浴下加热镀60min-90min取出,用去离子水清洗烘干,得到产品。
4.根据权利要求2或3所述的一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,在所述步骤2)中,碳纤维的表面进行改性在60℃水浴下处理1h。
5.根据权利要求2或3所述的一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,在所述步骤6)中,化学镀在60℃水浴条件下进行1h。
6.根据权利要求2或3所述的一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,步骤6)中化学镀开始时,调节混合液的pH为7-8。
7.根据权利要求6所述的一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,步骤6)中化学镀开始后,0-10min内pH为7.5-8,第10-20min内,将镀液pH调整为6.5-6.8;30min后,将镀液pH调整为7.2-7.5,50min后,将pH调整为8-9。
8.根据权利要求6所述的一种碳纤维/非晶合金复合电磁波吸收材料的制备方法,其特征在于,在步骤6)中的镀液中加入柠檬酸钠,3-5g。
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CN114641200A (zh) * | 2022-04-02 | 2022-06-17 | 四川农业大学 | 一种氮掺杂微波吸收材料及其制备方法 |
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CN112553546A (zh) * | 2020-09-18 | 2021-03-26 | 河北工业大学 | 短切碳纤维增强非晶复合材料的制备方法及其装置 |
CN112553546B (zh) * | 2020-09-18 | 2022-02-08 | 河北工业大学 | 短切碳纤维增强非晶复合材料的制备方法及其装置 |
CN114641200A (zh) * | 2022-04-02 | 2022-06-17 | 四川农业大学 | 一种氮掺杂微波吸收材料及其制备方法 |
CN114641200B (zh) * | 2022-04-02 | 2023-05-05 | 四川农业大学 | 一种氮掺杂微波吸收材料及其制备方法 |
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