JP6877090B2 - 導電フィラー用粉末 - Google Patents
導電フィラー用粉末 Download PDFInfo
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- JP6877090B2 JP6877090B2 JP2016035737A JP2016035737A JP6877090B2 JP 6877090 B2 JP6877090 B2 JP 6877090B2 JP 2016035737 A JP2016035737 A JP 2016035737A JP 2016035737 A JP2016035737 A JP 2016035737A JP 6877090 B2 JP6877090 B2 JP 6877090B2
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- 239000000843 powder Substances 0.000 title claims description 88
- 239000011231 conductive filler Substances 0.000 title description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 51
- 239000000956 alloy Substances 0.000 claims description 51
- 229910021332 silicide Inorganic materials 0.000 claims description 26
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052718 tin Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 16
- 239000010970 precious metal Substances 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 238000000889 atomisation Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000009689 gas atomisation Methods 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 229910052701 rubidium Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Conductive Materials (AREA)
- Non-Insulated Conductors (AREA)
- Silicon Compounds (AREA)
- Powder Metallurgy (AREA)
Description
(1)Si
(2)元素X1
(3)Al
及び
(4)不可避的不純物
のみを含む。Alを含む合金は、導電性に優れる。この合金はさらに、低密度である。これらの観点から、合金におけるAlの量は1at%以上が好ましく、2at%以上が特に好ましい。燃焼の抑制及び爆発の抑制の観点から、この量は10at%以下が好ましい。
(1)Si
(2)元素X1
(3)元素X2
(4)Al
及び
(5)不可避的不純物
のみを含む。なお、合金がAlを実質的に含まなくてもよい。
前述の方法にて、各粉末の電気伝導度を測定した。この結果が、下記の表1−4に示されている。
各粉末を、中央加工機社の振動ボールミルに投入し、粉砕した。粉砕の条件は、下記の通りである。
粉末投入量とボール質量との比:1/200
振動の振幅:4mm
粉砕時間:12時間
回収された粒子の総体積に対する、直径が10μm以下の粒子の体積を、歩留(%)として、日機装社のマイクロトラック粒度分布計を用いて求めた。この結果が、下記の表1−4に示されている。
粉塵爆発試験装置にて、各粉末の非燃焼性を評価した。この装置は、内径が70mmであり高さが350mmであるガラス製円筒(蕪木科学器械工業社)を有する。試験の条件は、以下の通りである。
粉塵吹き上げ圧力:3.0Kg/cm2
粉塵吹き上げ時間:1.0秒
点火時間:0.3秒
気体:空気
下記の基準に基づき、各粉末を格付けした。
Good:火柱の長さが5cm以下
NG:火柱の長さが5cmを超える
この結果が、下記の表1−4に示されている。
G.A.:ガスアトマイズ法
D.A.:ディスクアトマイズ法
Claims (6)
- その材質が、Si、導電性の元素X1及び不可避的不純物を含む合金であり、
上記合金が、上記Siと上記元素X1とを含有する1種又は2種以上のシリサイド相を有しており、
上記合金における、Si相と上記シリサイド相との合計に対する、上記シリサイド相の体積率Pscが、95%以上であり、
その密度が2.0Mg/m3以上7.0Mg/m3以下であり、
電気伝導度が3500×10 2 AV −1 m −1 以上である導電フィラー用粉末。 - 上記元素X1が、B、Na、Ca、Ti、V、Cr、Mn、Fe、Co及びNiからなる群から選択された1種又は2種以上である請求項1に記載の粉末。
- 上記合金における上記元素X1の比率が35at%以上80at%以下である請求項1又は2に記載の粉末。
- 上記合金における上記Siの比率が20at%以上65at%以下である請求項1から3のいずれかに記載の粉末。
- 上記合金が10at%以下のAlをさらに含む請求項1から4のいずれかに記載の粉末。
- 上記合金が10at%以下の低融点元素X2をさらに含んでおり、この元素X2がBi、Ga、Sn、In及びZnからなる群から選択された1種又は2種以上である請求項1から5のいずれかに記載の粉末。
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JP2016035737A JP6877090B2 (ja) | 2016-02-26 | 2016-02-26 | 導電フィラー用粉末 |
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Publications (2)
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JP2017152316A JP2017152316A (ja) | 2017-08-31 |
JP6877090B2 true JP6877090B2 (ja) | 2021-05-26 |
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Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5737566B2 (ja) * | 2011-03-10 | 2015-06-17 | 日立化成株式会社 | マグネシウムシリサイド焼結体の製造方法及びそれを用いた熱電変換素子の製造方法 |
JP6244831B2 (ja) * | 2013-11-07 | 2017-12-13 | 株式会社豊田中央研究所 | Ni−Si合金微粒子及びその製造方法 |
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