CS260045B1 - Method of variant production from zinc oxide - Google Patents
Method of variant production from zinc oxide Download PDFInfo
- Publication number
- CS260045B1 CS260045B1 CS857533A CS753385A CS260045B1 CS 260045 B1 CS260045 B1 CS 260045B1 CS 857533 A CS857533 A CS 857533A CS 753385 A CS753385 A CS 753385A CS 260045 B1 CS260045 B1 CS 260045B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- oxide
- zinc oxide
- mole
- nph
- sintering
- Prior art date
Links
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims 8
- 239000011787 zinc oxide Substances 0.000 title claims 4
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 239000000654 additive Substances 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 229910000416 bismuth oxide Inorganic materials 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 229910000428 cobalt oxide Inorganic materials 0.000 claims 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 229910000480 nickel oxide Inorganic materials 0.000 claims 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- OLTSGVZGKOFTHZ-UHFFFAOYSA-N P.P.P.P.P.P.P.P.P Chemical compound P.P.P.P.P.P.P.P.P OLTSGVZGKOFTHZ-UHFFFAOYSA-N 0.000 description 2
- 101100397240 Arabidopsis thaliana ISPD gene Proteins 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 101150096418 Mepe gene Proteins 0.000 description 1
- 241001454372 Onoba Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 101150115538 nero gene Proteins 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Sorption Type Refrigeration Machines (AREA)
Description
-1
KomShhst ΦΕΒ KBX Π 1071 ΗΠΚ: Η 01 C, 7/1019.9.1984 r.
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OfijiaCTh πρΗΜβΗβΗΗΗ H306peTeHHH H3o6peTeHHe pacnpocTpaHneTCH Ha ΜβτοΑ Η3ΓοτοΒπβΗΗΗ αηηκοκοηαηογο BapncTopa,npeflHasHaqeHHoro nnft hhskhx SKCnnyaTaflHOHHbix HanpH®eHnií, b nacTHocTH HHxe20 B, COCTOHmerO H3 flHHKOKCHflHOrO OCHOBHOTO BemeCTBa C He6ojIblHHM KOJlHHeCT-BOM OKCHfla BHCMyTa Η RoGftBKaMH flpyrHX OKCHROB, ΠΟ KGpaMHHeCKOH ΤβΧΗΟΠΟΓΗΗ,T.e. CMemHBaHHeM, npeccoBanneM η οπβκβΗΗβΜ.
XapaKTepHCTHKa HSBecTHbix TexHHHecKHX pemeHHň H3BecTHo, hto Kapxac peaHCTopa αηηκοκοηαημχ BapneropoB coctoht H3 cneneHHoroOKCHfla flHHKa c npHMecHMH okchrob flpyrHX MfiTajinoB, nocKOJibKy aepHa OKCHfla .·;flHHxa caMH HMewT hhcto JiHHeňHyio BonbTaMnepHyio xapaKTepHCTHKy (BAX), b toBpeMfl KaK npoMexyTOHHbie $a3bi, oCpaayeMMe H3 npyrHx okchrob, oTjiHqaioTCHSoJibmHM oMHnecKHM conpoTHBJíeHneM. ToflbKo TaM, rfle sepHa OKCHfla flHHKa Henoc-peflCTBeHHo CTanKHBaioTCH flpyr c flpyroM, npH cnexaHHH o6pa3yioTCH sjíeKTpmiec-κηθ Ďapbepbi, fleftcTByromne b xanecTBe MHKpoBapHCTopa c nafleHHeM HanpíraceHHH bAHana30He ot 1 flo 4 B Ha oflHH Gapbep npH 1 mA. Ha nocjiefloBaTenbHoro h na-pajinenbHoro BKjnoneHHH tbkhx MHKposapHCTopoB pe3yjrbTHpyroT ajiekTpHnecKHeCBoftCTBa flHHKOKCHflHOrO BapHCTOpa.
TaKHM oSpaaoM, 3KcnnyaTaflHOHHbie HanpHMéHHH HHace 20 B Tpe6yroT BapncTopoB toji-mmoň οκοπο 0,1 mm, HHRHBHflyanbHoe HsroTOBneHHe h onpeflejieHHe nonycKOB koto-pbix fljia onpefleneHHoň ΒΑΧ πρβηοτβΒ,ΠΗβτ eoJibmne TpyflHocTH. ΚροΜβ okchrob BHCMyTa, a Taxxe oKckflOB MapraHfla, xpoMa, THTaHa, ηηκθπη, ko- 6anbTa, θητημοηβ h onoBa H3BeereH flenbiň pHfl flpyrHX okchaob, AoGaBJíHeMbix κ 260045 -2- oKCHny unHKa b KojinnecTBe npHMepHo ot 0,05 ρ,ο 10 moji.Z (DE 18 02 453). H3-ΓοτοΒΠβΗΗβ ocymecTBJíHeTCH no KepaMuraeCKoň TexHonornn cMemHBaHHeM, npeccoBa-HHeM h cneKaHHeM, npmeM nacŤHHHO TpefíyroTCH ιιηκλμ TepMoo6pa6oTKH nponojixH-TenbHOCTbio 6ojibme 10-th nacoB h BecbMa MenneHHoe oxjiaxneHHe (DE 26 42 567)hjih xe oqeHb Me&neHHt>iň HarpeB h BbwepxKa TeMnepaTypa cneKaHHH, nponojixaroma-nca HecKoJibKO nacoB (DE 29 18 991). IIojiyneHHe BapncTopoB c hhbkhmh 3HaneHH-hmh HanpaxeHHH ocymecTBJíHeTcn H3 KpynH03epHncTbix chctcm MaTepnajioB (DD150 126), coflepxamnx He MeHee 6-th H3 nepenHCJieHhbix jierHpyKMUHX npHMeceň,np.HqeM npHMeHeHHe oKcnna aHTHMOHa h oKCHna ojiOBa BapbHpyeTCH b 33bhchmocthot cooTBeTCTByioinero Tuna HanpHxeHHH. CncTeMa MaTepnajioB no hx napaMeTpaMpaccnHTaHbí Ha BecbMa orpaHHqeHHbiň nnanasoH πρΗΜβΗβΗΗΗ; htsk, «3 οβηογοMaTepwana MoryT H3roTaBjiHBaTbCH Bcerna tojibko flBa hjih tph THna. CHHweHHeM3KcnnyaTauHOHHoro HanpnxeHHH b B03pacTaion?eň Mfipe βο3ηηκηιοτ CHjibHbie paccen-B3HHH HeJIHHeňHOCTH H OTHOmeHHH HanpaXeHKH γΤβΗΚΗ, HH3KHe 3Η3ΗβΗΗΗ ΗβΠΗΗβϋ-hocth d h He6jiaronpHHTHbie oTHomeHHH orpaHHqeiiHH. 3to yKa3biBaeT Ha cnjibHoeBJiHHHHe cTaTHCTHKH paaMepa sepen hjih óapbepoB b stom yqacTKe ηηπρηχθηηη.fljIH H3rOTOBJieHHH BapHCTOpOB C SKCTpeMaJIbHO HH3KHMH 3KCnJiyaTaipiOHHbIMH HanpH-X6HHHMH HCnOJIb3yiOT CHCTeMbl MaTepH3JIOB 6e3 OJIOBa H aHTHMOHa, ΠΡΗΗΘΜ πρΗΜβΗβ-ηηθμ KpHCTajuiHnecKHx 3apoflbnneň nocTHraeTCH nojiyqeHHe KpaňHe ĎojibinHX 3epeH,(npH6ji. 200 mkm), XOTH yCTOňHHBOCTb xapaKTepHCTHKH T3KHX BapHCTOpOB npH HarpySKe nOCTOHHHblMtokom npH ycjioBHH, hto P = const (b flajihHeňmeM τβκοτβ coKpameHHo o6o3HanaeT-cá KaK ycToflnHBocTb xapaKTepncTHKH npn Harpysxe ποοτοηηηημ tokom), oueHHBa-eTCjt OTHocHTejibHo xopoino, npH HMnyjibCHoň HarpysKe npoHCxopHT BecbMa CHJibHoeCTapeHHe .xapaKTepncTHKH b yqacTKe hh3Khx tokob,
Uejlb Η3θ6ρβΤβΗΗΗ IJeJIb Η3θ6ρβΤβΗΗΗ 3aKJII0qaeTCH B CO3flaHHH BO3MOXHOCTH nOJiyqeHHH IIHHKOKCHfl-HblX B3PHCTOPOB flJIH BCeft o6jiaCTH HH3KHX HanpaxeHHň H3 OpHOň ÉflHHCTBeHHOňCHCTeMbl MaTepnanoB πρκ οηΗΟΒρβΜβΗΗΟΜ coxpameHHH BpeMeHH TepMoo6pa6oTKH ho6ecneneHHH Tpe6yeMbix sjíeKTpHnecKHx napaMeTpoB, b qacTHocTH BbicoKoň ycToň-HHBOCTH xapaKTepHCTHKH npH HarpysKe ποοτοηηημμ tokom. H3JIOXeHHe CyiqHOCTH H3p6peTeHHfl B ocHOBy Η3ο6ρβτβΗΗΗ nosTOMy nojioxeHa aanaqa paspaCoTaTb Μβτοη H3roTOBJieHH«ijHHKOKCHflHoro BapHCTopa flJia hhskhx 3KcmiyaTaiiH0HHbix HanpaxeHHň, b nacTHOCTHHHXe 20 B, H3 HHHKOKCHflHOro OCHOBHOTO BemCCTBa C HeSoJIMIHM KOJIHHeCTBOM OKCH“fta BHCMyTa h οοΒηβκημη flpyrax okchbob no KepaMHqecKoft τ6χηοιιογηη čMeniHBaHHeM',npeccoBaHHeM h cnexaHHeM, npnqeM HMeeTca nejih ηοκιβοηητβ npHMeHeHHe jiempyio-mnx npHMeceň, HHrH6HpywiHHX poct aepeH h npennoxHTb προφκηΒ BpeMeHH HarpeBafljin pexHMa cneKaHHH > *
CoraacHo H3o6peTeHHio sto ocyniecTBjíaeTca coqeTaHneM cneflyioinHx πρη3Η3κοβ: a) IÍHHKOKCHnHoe ocHOBHoe BemecTBO c okchjiom BHCMyTa Κ3Κ flo6aBKy jierapyioTHCKJiiOHHTejibHO TojibKo npHMecHMH okchaob cJienywniHx sjíeMeHTOB! Mapranen,KOĎaJIbT, THT3H H HHKeJIb, ΠρΗΗβΜ B CMeCH KOHlieHTpaUHH 9THX OKCH.HOB yCTa~HaBJíHBaeTCH Ha cJienywmHe BeJiHHHHbí:
Okchji MapraHna 0,70 no 0,80 moji.Z
Okciíh Ko6ajibTa 0,20 no 0,40 moji.Z 260045 -3-
Okcha THTawa 0,55 po 0,80 moji. Z .
Okchu HHKejiH 1,00 ρ,ο 1,20 moji. Z 6) CneKaHHe npeccoBaHHbix H3 3Toň CMecn cbipyeB co CKopocTbio nofforpeBa 6oJibine240 K/h flo TeMnepaTypw, Tpe6yeMoň pna o6pa3OBaHHH KepaMHnecKoň CTpyKTypw,h,c BbiflepjKKoň MeHbme 1,5 n npH 3Toň TeMnepaType.
TpefíyeMbie napaMeTpw ycToftuHBocTH xapaKTepHCTHKH npn Harpy3Ke ποοτοηηημμ to-kom peajiH3yroTCH BbiÓopoM noffxoflHnmx KOHiieHTpaunň JierHpyionmx npuMeceň MapraH-na h THTaHa, lípu stom 3HauHTejibHoe yjiyntneHHe ycToííHHBocTH pocraraeTCH bocoSeHHoCTH Gnaropapa yBeJiHHeHHio KOHueHTpauHH oKCHfla THTaHa CBbíme 0,55 moji.Z,fločaBJíaeMoro HCKJBOHHTejibHo b BHCMyTocoflepjKameň φβ3β pna cTaf>HJiH3auHH, a Tax-xe noBbímeHneM coflepxaHHH MapraHua CBbíme 0,70 moji,Z.
TpeSyeMaa ycToňHHBocTb κ HMnyjibcaM oSecnenHBaeTCH Gnaropapa yBenmemmKOHiieHTpau;nH hhkcjih CBbíme 1,00 moji.Z, npuneM HHKeJib npeuMymecTBeHHo bbouht-ch b aepHo oKCHfla HHHKa. BbnneynoMHHyToe noBbnneHne KOHueHTpauHH MapraHua ofl-HOBpeMGHHO TaKXe nOJIOXHTejIbHO BJIHJieT Ha yCTOňHHBOCTb K HMnyjIbCaM.
CoflepxaHne KoBajibTa npn BbinojiHeHHH BbnneynoMHHyTbix npennocbuioK moxho ooKpa-THTb no BejiHHHHbí HHxe 0,4 moji.Z, He Bbi3biBaa 3thm yxyumeHHH napaMeTpoB XapaK-TepHCTHKH H yCTOftHHBOCTH. flocTHXHMbie 3HaqeHHH xapaKTepucTHKH h ycToftHHBOCTH npH HarpysKe ποοτοηηηημtokom 3aBHCHT κβκ οτ cocTaBa Maccbi, TaK η οτ προφκπΗ BpeMeHH HarpeBa pexHMaCneKHHHH, K3K BHflHO H3 HHXenpHB6fleHHbIX ΠρΗΜβροΒ. ΠρΗΜβρ HCnojIHeHHH BapHaHTa fljIH 6onee ΠΟΗΡοΘΗΟΓΟ ΠΟΗΟΗβΗΗΗ Η3θ6ρβΤβΗΗΑ ΠΡΗΒΟ,ΠΗΤΟΗ HeCKOJIbKO ΠρΗΜθρΟΒ Η‘TaĎJIHEt, ΠΡΗΗΘΜ o6pa3Iíbl 4, 6, 8 Η 10 £Ο 12 6bUIH Η3ΓΟΤ0ΒΒβΗΜ COTJiaCHO H3O6pe-rΤβΗΗΙΟ.
Ha Ta6jiHu;e 1 npHBeueHa ckopoctb CTapeHHH npH Harpy3Ke ποοτοηηημμ tokom cBapbHpoBaHHeM cop,epxaHHH MapraHua h THTaHa, npHneM KOHiieHTpaiiHH Ko6ajibTa hHHKeJia coxpaHHJiacb ΗβΗ3ΜβΗΗθή b yKa3aHHbix npeuejiax. B KanecTBe κρκτβρκΗ pnayCTOťíHHBOCTH XapaKTepHCTHKH npH Harpy3Ke nOCTOHHHblM TOKOM HaXORHT npHMCHeHHeCKopocTb CTapeHHH (10~T A) Uo (10 7 Α)·100Ζ nocjie Harpy3KH μηκ— CHMaJibHO uonycTHMoň MomHocTbio noTepb b τβΗβΗΗβ 2,5 nacos πρκ TeMnepaType85°C.^ HecoMHeHHo HMeeT MecTo yjiyumeHHe ycToftuHBOcTH xapaKTepHCTHKH npnHarpy3Ke ποοτοηηημμ tokom npH noBbnneHHH couepxaHHH MapraHya h THTaHa, npH-ueM apKO 6pocaeTca b rjiaaa CKauKooSpa3Hoe yjiynmeHHe y o6pa3ua 4 corjiacHoΗ3ο6ρβτβΗΗΐο.
Ha TaSjíHue 2 noKa3aHa 3aBHCHMOCTb ycTOífriHBOcTH κ HMnyjibcaM οτ KOHiieHTpa-UHH HHKejIH, ΠΡΗηβΜ o6pa3ÉU 6 H3rOTOBJieH CO'rjiaCHO HSOČpeTeHHK). ΠρΗ 3TOMKoHueHTpauHH ocTajibHbix flOHopos b yKa3aHHOM GHana3oHe ocTanacb HeH3MeHHoň. B KauecTBe κρκτβρΗΗ ' cJiyxHT ckopoctb CTapeHHH ML·^ = UteE(10 A)/ /Uo (10~s A)· 100Z nocjie HarpysKHMaKCHManbHo nonycTHMbiM ypapHbíM tokom.
Πρκ cocTaBe πικχτω, BbičpaHHOM b yKa3aHHOM flHanaaoHe, uocTHXHMwe 3HayeHHH xapaKTepHCTHKH h ycToiíuHBocTH πρκ Harpy3Ke ποοτοηηημμ tokom b 3HanHTejibHoň
Mepe 3aBHCHT οτ npo^jHJia BpeMeHH HarpeBa pexHMa cneKaHHH. B KanecTBe BejiH- ηηηη, xapaKTepH3yiomeft noBepeHne BapHCTopHoň KepaMHKH oTHocHTejibHO toks^ yTeHKH, Hcnojib3yeTc« oTHomeHHe HanpHxeHHň yTenKH UL = U(10_ A)/U (10 A). 260045 -4-
TačjiHiía 3 HnniocTpHpyeT 3aBHCHMoCTb ββπηηηη Uu h AU_? ot ckopocth HarpeBaH BpeMeHH BbmepXKH. H3 TaGjIHUbl BHflHO, HTO nOBefteHHe BapHCTOPHOň KepaMHKHOTHocHTeJibHo τοκβ γτβ'ϊΚΗ peaKo yxyjimaeTCH, ecjm cxopocTb HarpeBa He aocth-raeT TpeČyeMbix 3HaneHHíi. B cnynae npeBbímeHHH TpeGyeMoro BpeMeHH ΒΜΛερχεκΗτοτκε HaGjronaeTCH yxy^meHKe sHaueHHft xapaKTepHCTHKH h ycToifrtHBOCTH. B TaSjíHite 4 npuBOflHTcn conocTaBJteHne o6pa3UOB cornacHO Hso&peTeHHio 10 λο 12h o6pa3UOB 13 no 15, y kotophx peacHMbi cneKamift hhh coctsb hjih »e - κβκ bcnynae o6pa3na 15 - xax peMHM cneKaHHH, Tax h cocTaB HaxoaHTca BHe HaňneH-ΗΟΓΟ flHana3OHa. ΠρΗ 3TOM CTaHOBHTCH HCHblM, UTO CKOPOCTb CTapeHHH &U_,CKauKooGpaaHo ynymnaeTcn TOJibxo jiHinb oaHOBpeMeHHbíM πρΗΜβΗθΗΗβΜ npH3HaxoBcocraBa h peacHMa cneKaHHH cornacHO Η3θ6ρβτβΗΗΐο. Ckopoctb CTapeHHH AU_yonpeaejiHJiacb nocne Harpy3KH ποοτοηηημμ tokom I = 2,5 mA b TeueHHe 2,5 nacoBh npH TeMnepaType 85* C. npHroTOBJíeHne cocTaBOB ocymecTBHnocb no npHHHToň KepaMHnecKoň τεχκοηοΓΗΗ.Ilocne cMeniHBaHHH H3 naccbi 6binn BbmpeccoBáHbí ληοκη tojhhhhoíí 0,5 mm, κοτορωβnoflBepranHcb cnexaHHio'πρκ TeMnepaType 1250°C, nocne nero ohh 6μπη κοητβκτη—poBaHbí,
TaSnHna 1 Ó6pa3eu KoHneHTpaiWH, % BKcnnyaTaa. oKcna MapraHna οκοηλ THTaHa HanpH»eHHe CKOPOCTb
CTapeHHH
Bc ňU_s B/mm % 1 0,45 0,25 32 -30 2 0,75 0,25 34 -14 3 0,45 0,75 35 -13 4 0,75 0,75 35 - 5
TaGnuua 2 GKopocTb CTape-HHH, AXLS Z 06pa3en KoHneHTpanHH, %οκοηλ HHKenn 5 0,7 -7 6 1,1 -2
TaGnnaa 3 OTHomeHHe HanpaxeHHň yTenKH UL CKOPOCTB CTapeHHH AU_S 7a 06pa3en CKopocTb BbwepjKKaHarpeBa SKcnnyaTan. HanpnweHHe ®c B/mm K/n H 7 345 3,25 39 0,59 -26 8 290 0 42 0,74 -13 9 120 i 45 0,28 — 2W045 <0 -5-
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O O O 0,75 0,3 0,75 * 1,1 0,4 110 4 42 -570,45 .0,5 0,25 0,7 0,4 200 1 39 -430,45 0,5 0,25 0,7 0,4 100 3,5 43 -72 s co co 0. 10
O cd -í m 260045 -6- [ΠατβΗΤΗΑΗ (fropMyjia
MeTOfl Η3ΓΟΤΟΒΠβΗΗΗ UHHKOKCHJIHOrO BapHCTopa flJIH HH3KHX 3KCIUiyaTaHHOHHbIXHanpHaceHHH, B HaCTHOCTH ΗΙΓΚβ 20 B, H3 UHHKOKCHflHOrO OČHOBHOrO BemeCTBac He6onbninM KOJiHqecTBOM oKciwa BHCMyTa η ΛοδαΒκβΜΗ npyrHX okchxiob no Kepa-MHqečKoň τθχηοπογηη CMemHBaHHeM, npeccoBaHneM h cneKaHHeM, oTjiHHaranHiícH co-ΜθτβΗΗβΜ cjieflyiomHX npn3HaKOB: a) UHHKOKCHfíHoe ocHoBHoe BemecTBo c oKCHfloM BHCMyTa b KanecTBe no6aBKH JierHpyeTCH HCKjnonHTejibHo TonbKo npn-MeCHMH, COCTOHH(HMH H3 OKCHflOB SJíeMCHTOB MapraHeií, KOĎaJIbT, THT3H H HHKeJIbπρΗΗβΜ b cm&ch KOHneHTpaiWH 3THx okchhob ycTaHaBJíHBaeTCH na cjienyromne3HaneHHH: OKCHfl MapraHiia 0,70 «Ο 0,80 MOJI. Z OKCHfl Ko6aJibTa 0,20 ΛΟ 0,40 MOJI. Z OKCHfl THTaHa 0,55 ΛΟ 0,80 MOJI. Z OKCHfl ΗΗΚΘΠΗ 1,00 flO 1,20 MOJI. Z cneKaHne npeccoBaHHbix H3 CMeCH CblpneB co cKopóCTbio : 6) 240 K/n no TeMnepaTypbi, Heo6xoflHMoň juih o6pa3OBaHHH KepaMmecKoň cTpyK-Typbi, h c BbmepscKoň MeHbine 1,5 η πρκ 3τοϋ TeMnepaType. Ρβ3Ι0ΜΘ ΜβΤΟΑ Η3ΓΟΤΟΒΠβΗΗΗ IÍHHKOKCHflHOrO BapHCTopa Η3θ6ρβτβΗΗβ pacnpocTpaHBeTcH na H3roTOBjieHHe ημηκοκοηληογο BapHCTopa π,ηάHH3KHX SKCiuiyaTauHOHHbix HanpHJKeHHň, b nacTHocTH HHxe 20 B, no KepaMiraeckofiΤβΧΗΟηΟΓΗΗ, ΠρΗΗβΜ H3 OflHOft eflHHCTBeHHoft CHCTSMbl Μ3ΤβρΗ3ΒΟΒ flOJBKHO 6bITb 'očecneneHo H3roTOBJieHHe nejioro accopTHMeHTa τηποβ BapHCTopoB πρκ yMeHbmeHHHTeMnepaTypbi η ΒρβΜβΗΗ cneKaHHH. 3to peaJiH3yeTca coneTaHHeM cjieflyratuHx τεχΗο-norHnecKHx πρη3Ηηκοβ! a) nHHKOKCHflHoe ocHoBHoe BemecTBo
c oKCHflOM BHCMyTa b xanecTBe floĎaBkH JierHpyeTCH ηοκβκβιητ&πβηο tojihko npH-MeCHMH, COCTOH1HHMH H3 OKCHflOB ΘΠβΜβΗΤΟΒ MapraHeií, Ko6aJIbT, THT3H H HH~xenb, npHweM b cMecH KOHneHTpaitHH sthx okchaob ycTaHaBjíHgaeTCH Ha cnenyio-npie 3HaHeHHHJ OKCHfl MapraHna 0,70 AO 0,80 fyOJi.Z OKCHfl KoSaJibTa 0,20 Ao 0,40 MOJI. Z OKCHfl THTaHa 0,55 Ao 0,80 MOJI. Z .OKCHfl HHKejIH 1,00 A© 1,20 MOJI. Z f 6) cneKaHHe npečcoBaHHbix H3 CMecH cbipneB co CKopocTbio narpepa 6ojn>me 240 K/u flo TeMnepaTypbi, HeoSxoflHMoň «jih o6pa3OBaHHH KepaMnuecKoň οτργκτγpw, h c BbiflepjKKoň MeHbme 1,5 η πρκ 3Toň TeMnepaType.,
Πρκ3Η3Ηο Η3ο6ρετβΗΗεΜ no pesynbTaTaM 3KcnepTH3bi, ocymecTBJíeHHoft BenoMCTBOM no flenaM H3o6peTeHHů h naTeHTOB TOP. 260045
Claims (1)
- -7- PŘEDMĚT VYNÁLEZU Způsob výroby varistoru z kysličníku zinečnateho pronízká napětí, ze .jména pod 20 V ze základní látky, obsahu-jící kysličník zinečnatý s malým obsahem, kysličníku viz-mutu a přísady ostatních kysličníku keramickou technologiímíšení, lisování a spékání, vyznačující se tím, že základ-ní látka kysličníku zinečnatého s kysličníkem vizmutu jakopřísadou je legována příměsemi sestávajícími„z kysličníkůprvků ze skupiny mangan, kobalt, titan, nikl, přičemž se vesměsi koncentrace těchto kysličníků ustálí u kysličníkumanganu Q,7o až 0,80 molárních %, u kysličníku kobaltu0,20 až 0,40 molárních %, u kysličníku titanu 0,55 až 0,80molárních %a u kysličníku niklu 1,00 až 1,20 molárních%, přičemž spékání lisovaných polotovarů ze směsi se pro-vádí rychlosti ohřevu vyšší než 240 °K/hod. do teploty pot-řebné pro vznik keramické struktury a s prodlevou, napřík-lad 1,5 hod,,.při této teplotě. 260045 Uzgorod UŽgorodsky výrobně-poligrafický podnik "Patent”, Gagarina 101, H· 618 , Cena 2,40 Kcs
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD84267999A DD227279A1 (de) | 1984-10-04 | 1984-10-04 | Verfahren zur herstellung eines zinkoxid-varistors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS753385A1 CS753385A1 (en) | 1987-12-17 |
| CS260045B1 true CS260045B1 (en) | 1988-11-15 |
Family
ID=5561036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS857533A CS260045B1 (en) | 1984-10-04 | 1985-10-03 | Method of variant production from zinc oxide |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS260045B1 (cs) |
| DD (1) | DD227279A1 (cs) |
| DE (1) | DE3533076A1 (cs) |
| FR (1) | FR2571537A1 (cs) |
| HU (1) | HUT38469A (cs) |
| IT (1) | IT1200130B (cs) |
-
1984
- 1984-10-04 DD DD84267999A patent/DD227279A1/de not_active IP Right Cessation
-
1985
- 1985-09-17 DE DE19853533076 patent/DE3533076A1/de not_active Withdrawn
- 1985-10-03 CS CS857533A patent/CS260045B1/cs unknown
- 1985-10-03 HU HU853849A patent/HUT38469A/hu unknown
- 1985-10-04 FR FR8514735A patent/FR2571537A1/fr active Pending
- 1985-10-04 IT IT48631/85A patent/IT1200130B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8548631A0 (it) | 1985-10-04 |
| DE3533076A1 (de) | 1986-04-10 |
| IT1200130B (it) | 1989-01-05 |
| FR2571537A1 (fr) | 1986-04-11 |
| CS753385A1 (en) | 1987-12-17 |
| HUT38469A (en) | 1986-05-28 |
| DD227279A1 (de) | 1985-09-11 |
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