ibhena yephepha

Iimveliso

Abafowunelwa beMetal bePowder

Inkcazelo emfutshane:

UKhetho lweMathiriyeli yoQhagamshelwano

Ekukhetheni izixhobo zoqhagamshelwano kwisicelo esithile, injineli yoyilo kuya kufuneka ifumane ibhalansi efanelekileyo ekukhetheni izinto ezivumela ukuba nokwenzeka okukhulu kwempumelelo.Ngokuqhelekileyo, njengoko isinyithi se-conductive (isilivere okanye ubhedu) sinyuka, ukuchasana koqhagamshelwano kunciphisa kwaye ukunyuka kombane kunye ne-thermal conductivity kwanda, kodwa ukukhukuliseka koqhagamshelwano kunye nokudibanisa "ukunamathela" okanye i-welding iba yinkxalabo.Ngokwahlukileyo, njengoko umxholo wetsimbi we-refractory ukhula, ukunxitywa koqhagamshelwano kuncipha kwaye kukho amathuba amancinci okudibanisa "ukunamathela" okanye i-welding.I-NMT iyakukhuthaza ukuba uxoxe ngeemfuno zesicelo sakho kunye nommeli we-NMT kwangoko kwinkqubo yoyilo kangangoko kunokwenzeka.

Ukongeza ekuncedeni ekukhetheni isixhobo, i-NMT ingalungisa imathiriyeli ukuze ilungele isicelo sakho.Ukulungelelanisa ubungakanani bamasuntswana wemathiriyeli, ukukhetha izongezelelo, kunye nokutshintsha amaqondo obushushu eziko zonke zidlala indima kwiimpawu zokugqibela zemathiriyeli yoqhagamshelwano ekhethiweyo.I-NMT inokukunceda ukuyila olona qhagamshelwano lungena ndleko.Ingxoxo yezona zinto zidumileyo zoqhagamshelwano ziyalandela.


Iinkcukacha zeMveliso

ISilver Tungsten (AgW)

Uqhagamshelwano lwe-tungsten yesilivere yinto eqhelekileyo yombane eyenziwe ngokudibanisa isilivere (Ag) kunye ne-tungsten (W).Isilivere ine-conductivity elungileyo yombane kunye ne-conductivity yombane, ngelixa i-tungsten ine-high melting point, ubunzima obuphezulu kunye nokumelana nokunxiba.Ngokudibanisa isilivere kunye ne-tungsten, unxibelelwano lwe-tungsten yesilivere lubonelela ngoqhagamshelwano oluzinzileyo lombane kunye nokuqina.Abafowunelwa beSilver tungsten baqhele ukusetyenziswa kubushushu obuphezulu bangoku, ubushushu obuphezulu kunye nezicelo zomthwalo ophezulu ezifana nezixhobo zombane, abaphuli beesekethe kunye nabaxhathisi.Zine-conductivity efanelekileyo yombane, ukuchasana koqhagamshelwano oluphantsi kunye nokumelana nokugqwesa okugqwesileyo, kwaye banokugcina uqhagamshelwano oluhle lombane kunye nokusebenza ngokuzinzileyo, ngelixa bekwazi ukumelana nee-arcs ezithile kunye nobushushu obuphezulu.Ngamafutshane, unxibelelwano lwe-tungsten yesilivere zizinto ze-alloy ezenziwe ngesilivere kunye ne-tungsten, ezinokusebenza kakuhle kombane, ukuhanjiswa kombane, ukumelana nokunxiba kunye nokumelana nobushushu obuphezulu.Zisetyenziswa ngokubanzi kwishishini lombane ukubonelela ngoqhagamshelwano oluthembekileyo lombane kunye nokusebenza okuzinzile.

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HB)

(g/cm3)

(IACS)

AgW50

50±2.0

13.2

57

130

AgW65

35±2.0

14.6

50

160

AgW75

25±2.0

15.4

41

200

Umboniso weMetallographic

1

AgW(50) 200X

2

AgW(65) 200X

3

AgW(75) 200X

ISilver Tungsten Carbide (AgWC)

I-Silver tungsten i-carbide i-contacts yizinto ezikhethekileyo zokudibanisa ezidityanisiweyo zesilivere (Ag) kunye ne-tungsten carbide (WC).Isilivere ine-conductivity elungileyo yombane kunye ne-conductivity yombane, ngelixa i-tungsten carbide inobunzima obuphezulu, indawo ephezulu yokunyibilika kunye nokumelana nokunxiba.Uqhagamshelwano lwesiliva lwe-tungsten carbide lunobunzima obuphezulu kunye nokumelana nokugqoka, kwaye unokugcina uqhagamshelwano oluzinzileyo lombane ixesha elide phantsi komthwalo ophezulu kunye neemeko eziphezulu zokushisa.Ukuqina kwe-tungsten carbide inika abafowunelwa ukuzinza okuhle komatshini ngokuchasene nombane ophezulu, imisinga ephezulu kunye nokusebenza kokutshintsha rhoqo.I-conductivity ye-silver tungsten contacts carbide ingcono kunezonxibelelwano zesilivere ezicocekileyo, ngakumbi kwiqondo lokushisa eliphezulu kunye nomthwalo ophezulu.Abafowunelwa besilivere be-tungsten carbide banikezela ukuchasana okuncinci kunye nokusebenza kombane okuzinzileyo.Ngoko ke, izinto zoqhagamshelwano zesilivere ze-tungsten carbide yinto ephezulu yokukhetha kwaye isetyenziswe ngokubanzi kwizixhobo zombane ezifuna ukuxhathisa ukugqoka okuphezulu, ukushisa okuphezulu kunye nomthwalo ophezulu, njengokutshintsha, ukuhanjiswa kunye nabaphuli beesekethe, njl. ubomi beentlobo ngeentlobo zeemeko zokusebenza ezinzima.

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HV)

(g/cm3)

(IACS)

AgWC30

70±3

11.35

59

125

AgWC40

60±3

11.8

50

140

AgWC50

50±3

12.2

40

255

AgWC60

40±3

12.8

35

260

Umboniso weMetallographic

1

AgWC(30) 200×

2

I-AgWC(40)

3

I-AgWC(50)

ISilver Tungsten Carbide Graphite (AgWCC)

I-Silver tungsten carbide graphite contacts zizinto zoqhagamshelwano ezisetyenziswa ngokuqhelekileyo, ezibandakanya izinto ezimbini, isilivere (Ag) kunye ne-tungsten carbide (WC), kunye negraphite eyongezelelweyo kunye nezinye izongezo.Isilivere ine-conductivity elungileyo yombane kunye ne-conductivity yombane, i-tungsten carbide inobunzima obuphezulu kunye nokumelana nokunxiba, kunye negraphite ineempawu ezilungileyo zokuzithambisa.Unxibelelwano lweSilver tungsten carbide graphite lunezinto ezintle zombane kunye nezomatshini.I-conductivity ephezulu yesilivere iqinisekisa ubuchule obuhle bokuqhuba abafowunelwa, kunye nobunzima obuphezulu kunye nokuxhatshazwa kwe-tungsten carbide kunika abafowunelwa ubomi obude benkonzo.Ukongeza, iipropathi zokuzithambisa zegraphite zinciphisa ukungqubana kunye nokunxiba kwabafowunelwa, ukuphucula ukuzinza nokuthembeka kwabo.Uqhagamshelwano lwesiliva lwe-tungsten carbide graphite lufanelekile kumthwalo ophezulu kunye nezicelo zokutshintsha rhoqo, ezifana neelayidi, ii-circuit breakers, ii-motor kunye nokutshintsha kwezixhobo zombane.Banokusebenza kwiindawo ezinzima ezifana nobushushu obuphezulu kunye nokufuma okuphezulu, kwaye banokunganyangeki kakuhle kwe-corrosion kunye nokumelana nobushushu.Konke kuzo zonke, isilivere ye-tungsten carbide graphite contacts yimpahla yoqhagamshelwano eneempawu ezintle zombane, ukuxhatshazwa kokugqoka kunye nokuzinza.Banikezela ngoqhagamshelwano oluthembekileyo lombane kunye nokubonelela ngokusebenza kwexesha elide elizinzileyo phantsi kweemeko zokusebenza ezinzima.

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HV)

(g/cm3)

(IACS)

AgWC12C3

85±1.0

9.6

60

56

AgWC22C3

75±1.0

10

58

66

AgWC27C3

70±1.0

10.05

41

68

Umboniso weMetallographic

1

AgWC12C3 200X

2

AgWC22C3

3

AgWC27C3

ISilver nickel Graphite (AgNiC)

Isilivere ye-nickel ye-graphite yoqhagamshelwano yinto eqhelekileyo yoqhagamshelwano, equkethe amacandelo amathathu: isilivere (Ag), i-nickel (Ni) kunye negraphite (C).Ine-conductivity egqwesileyo yombane, ukumelana nokunxiba kunye nokuzinza kobushushu obuphezulu.Izinto zoqhagamshelwano ze-nickel ze-graphite zesilivere zinezi mpawu zilandelayo: I-conductivity yombane egqwesileyo: Isilivere ine-conductivity enhle kakhulu yombane kwaye inokubonelela ngokuxhathisa okuphantsi kunye ne-conductivity ephezulu yangoku, ngelixa ukongezwa kwe-nickel kunye ne-graphite kunokuphucula ukuhanjiswa kombane kunye nokunciphisa ukuxinana kwangoku koqhagamshelwano.Ukumelana nokunxiba: Ukongezwa kwe-nickel kunye negraphite kwandisa ubunzima kunye ne-lubricity yabafowunelwa, oko kunokunciphisa ukungqubuzana kunye nokunxiba kunye nokwandisa ubomi benkonzo yabafowunelwa.Ukuzinza okuphezulu kweqondo lokushisa: Isilivere ye-nickel ye-graphite yoqhagamshelwano inomgangatho ophezulu wokunyibilika kunye nokuzinza kwe-thermal, kwaye inokugcina umbane ozinzileyo kunye nokuthembeka koqhagamshelwano kwiindawo eziphezulu zokushisa.Ukumelana ne-oxidation: Ukongezwa kwe-nickel kunye negraphite kunokuphucula ukuxhathisa kwe-oxidation yabafowunelwa, ukulibazisa isantya se-oxidation yabafowunelwa, kunye nokunciphisa utshintsho lokumelana nabafowunelwa.

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HV)

(g/cm3)

(IACS)

AgNi15C4

95.5±1.5

9

33

65

AgNi25C2

71.5±2

9.2

53

60

AgNi30C3

66.5±1.5

8.9

50

60

Umboniso weMetallographic

1

AgNi15C4 200X

2

AgNi25C2

iSilver Graphite (AgC)

Igraphite yesilivere yinto edibeneyo edibanisa isilivere (Ag) kunye negraphite (carbon).Ngenxa yeempawu zayo ezizodwa, isetyenziswa ngokubanzi kwiinkalo ezahlukeneyo.I-graphite yesilivere iye yaba yinto eqhelekileyo yokudibanisa izinto ezimileyo kwaye ngokuqhelekileyo idityaniswe ne-AgW okanye i-AgWC.Uninzi lwe-breaker circuit kunye nokutshintsha amabakala aqukethe i-95% ukuya kwi-97% yesilivere.I-graphite yesilivere ineempawu ezichasene ne-welding kwaye ngoko ke lukhetho oluhle xa i-tack welding ingumba.Ukongeza, igraphite yesilivere inokuhanjiswa kombane okugqwesileyo ngenxa yesiqulatho sesilivere ephezulu nangenxa yerhasi ecuthayo eyenziwe yigraphite.Isixhobo esithambileyo kakhulu kune-tungsten yesilivere okanye i-tungsten carbide yesilivere, igraphite yesilivere inezinga eliphezulu lokukhukuliseka.

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HV)

(g/cm3)

(IACS)

AgC3

97±0.5

9.1

78

42

AgC4

96±0.7

8.8

75

42

AgC5

95±0.8

8.6

69

42

Umboniso weMetallographic

1

I-AgC(4) 200X

I-Silver tin oxide (AgSnO2)

I-Silver tin oxide ine-conductivity elungileyo yombane kunye nokunganyangeki.Izinto zokunxibelelana ze-Silver tin oxide zinezi mpawu zilandelayo: I-conductivity yombane egqwesileyo: Isilivere ine-conductivity enhle kakhulu yombane kwaye inokubonelela ngokuxhatshazwa okuphantsi kunye ne-conductivity ephezulu yangoku.Ukunxiba ukuxhathisa: Amasuntswana e-tin oxide enziwe kakuhle xa unxibelelwano lwe-tin oxide lunokudlala indima ekuthambiseni nasekunciphiseni ukukhuhlana, ukuze umfowunelwa abe nokumelana nokunxiba kakuhle.Ukuzinza: Izinto zoqhagamshelwano zesiliva ze-tin oxide zizinzile kwaye zithembekile phantsi kweemeko eziqhelekileyo zokusebenza kwaye zinokubonelela ngoqhagamshelwano olusisigxina lombane oluzinzileyo.Ukumelana nokukhula: Uqhagamshelwano lwe-tin oxide yesilivere lunokumelana kakuhle nokuhlwa kwaye lunokusebenza kwindawo efumileyo kunye nenomhlwa.Izinto ze-Silver tin oxide powder zifanelekile kwi-100-1000A zoqhagamshelwano ze-AC

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HV)

(g/cm3)

(IACS)

AgSnO2(10)

90±1

9.6

70

75

I-AgSnO2(12)

88±1

9.5

65

80

Umboniso weMetallographic

1

AgSnO2(10)

2

I-AgSnO2(12)

ISilver Zinc oxide (AgZnO)

I-Silver zinc oxide (i-Ag-ZnO) i-contacts yinto yoqhagamshelwano esetyenziswa ngokuqhelekileyo, edibanisa isilivere (Ag) kunye ne-zinc oxide (ZnO).Isilivere ine-conductivity elungileyo yombane kunye ne-conductivity yombane, ngelixa i-zinc oxide ine-resistivity ephezulu kunye nokumelana nokushisa okuphezulu.Uqhagamshelwano lwe-zinc oxide yesilivere lunozinzo oluhle kunye nokumelana nokugqoka phantsi kobushushu obuphezulu kunye neemeko eziphezulu zangoku.Ukongezwa kwe-zinc oxide kwandisa ukuqina kunye nokumelana nokunxiba kwezinto zokudibanisa, ngelixa kubonelela ngeqondo elithile le-arc kunye nokutshisa ukunyanzeliswa.Abafowunelwa besilivere be-zinc oxide banokuchasana okuphantsi kunye neempawu ezibalaseleyo zombane, ukubonelela ngoqhagamshelwano oluthembekileyo lombane ngexesha lokutshintsha imisebenzi.Zisetyenziswa ngokubanzi kwiitshintshi, ii-relays kunye ne-circuit breakers zezixhobo ezahlukeneyo zombane, kwaye zinokuhlangabezana neemfuno zomthwalo ophezulu kunye nokutshintsha rhoqo.Ukongeza, unxibelelwano lwe-zinc oxide yesilivere lunokumelana ne-oxidation elungileyo, enokwandisa ubomi benkonzo yoqhagamshelwano.Zikulungele ukusetyenziswa phantsi kweemeko ezahlukeneyo zokusingqongileyo, kubandakanywa ukushisa okuphezulu, umswakama ophezulu kunye neendawo zokusebenza ezinzima.Lilonke, unxibelelwano lwe-zinc oxide yesilivere zizinto zokunxibelelana ezisetyenziswa ngokuqhelekileyo ezineempawu ezintle zombane, ukumelana nokunxiba kunye nokuzinza.Badlala uqhagamshelo lombane olubalulekileyo kunye nokutshintsha imisebenzi kwizixhobo zombane, kwaye banokuhlangabezana neemeko ezahlukeneyo zokusebenza ezinzima.

Igama lemveliso

Ag Component(wt%)

Ukuxinana

Ukuqhuba

Ukuqina (HV)

(g/cm3)

(IACS)

AgZnO(8)

92

9.4

69

65

56

AgZnO(10)

90

9.3

66

65

52

AgZnO(12)

88

9.25

63

70

9.1

50

I-AgZnO(14)

86

9.15

60

70

Umboniso weMetallographic

1

AgZnO(12) 200X

2

AgZnO(14) 200X


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