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Hadfield tšepe makgetheng: ea ho hlophisoa, tšebeliso

indastering ea tšepe - e mong oa metsoako e bohlokoa ka ho fetisisa tsa gdP ka mong naheng, joalokaha ho hlahisa thepa e ikhetha, 'me e molemo. Ntle le hlahisitseng steelworks lihlahisoa moloko oa batho ka ho etsa ntle le. Tšepe - e mong oa bona. Ho na le mefuta e fapaneng ya thepa tse sebelisoang ka liindasteri tse ngata. Tšepe, le nang le phahameng plasticity le apara sekhahla, ho - Hadfield tšepe, - buka e ikhethang motsoako. Ditlhoko bakeng sa eona a laoloa ke GOST 977-88 le counterparts tsoang linaheng tse ling (USA, Engelane, Jeremane, Chaena, Japane, Finland, Spain, Korea).

History Hadfield tšepe

Ka lebitso la fana ka maikutlo a, e ka pheha khang ea hore e ne e le Robert Hadfield amohetse motsoako ona. Eo e neng developer indonesia joang? Robert Hadfield - English metallurgist ba ileng ba amohela motsoako e le matla e phahameng ka 1882. Haufinyane, tšepe ena nametse le ne lintho tse bonahalang buka e ikhethang haholo.

Mora Hadfield Steel e ntshetswa pele e ikhethang, ba thahasella ntshetsopeleng lona ke sesole. Sena ha se makatse, kaha e joalo e motsoako ke ea bohlokoa motsoako bakeng sa pōpo ea thepa e sireletsang tsa sesole.

Infantry helmete matsaranka - thepa pele sireletsang, eo e thehiloe Hadfield tšepe. lihelmete tsena li ne li sebelisoa ke masole a Brithani Army, ka nako eo o ile a thahasella ka ho ntshetsa pele ba sesole US le qalile ho hlahisoeng bona. Ho fihlela ho 80 thekenoloji Hadfield tšepe ba ne ba sa fetole. Empa le 80-ogy ile ntshetswa organoplastics matla hore hase thepa tlaasana ntshetswa pele ke metallurgist British, empa ho ne ho le bonolo haholo.

Helmets bakeng infantry e - e 's sa tshebediso feela ea Hadfield tšepe. Khampani British "Vickers" e ne e le oa pele oa ho sebediswa bakeng sa merero e meng e phahameng-sehlopheng tšepe. Bonwe armored teraka o ile a qala ho hlahisa Hadfield ea motsoako ka 20s ea. literaka tšepe tanka eketsehileng sebaka ho tloha km 500 ho 4800. Nakong ea Pele ea Lefatše Ntoa, e le koketsego ya ka tsela e tšoanang sebaka ho nkoa hoo e ka bang e le mohlolo. Hadfield tšepe e ba bohlokoa haholo bakeng sa ntshetsopele tanka. Ka mor'a nakoana, motsoako ona e sebediswa eseng feela ka tanka empa hape le liindasteri tse ling. Ka USSR, e le qalo ea Hadfield tšepe neng ba qhibilihisa ka 1936.

Hadfield Steel: Sebopeho

lik'hemik'hale

Elements (Lethathamo. Mendeleev)

Fe

C

MN

Si

litšila tse ling

Dikahare,%

82

1

12

1

4

Hlahloba sebopeho lik'hemik'hale, ka ho khetheha le peresente ya k'habone le mankanese ka bonoa hore ke ntho e austenitic tšepe. Joalo sebopeho sa ntlafatsa qhoaele hanyetsa le lona o thatafalang motsoako ya. Kahoo, tšepe e manganga ho thulaganyou e deformation, ho ba le lengolo la phahameng tsa ductility le toughness. Steelmakers re e ne e le lekhetlo la pele motsoako celik, e qalile ho boima-ka lihlahisoa.

Properties tsa Hadfield tšepe

Ka lebaka la thepa ea lona austenitic tšepe khone ho sebetswa ke seha lisebelisoa, hobane o na le e tiileng e qamathelang phahameng. Feela bōpa e ka ba a loketse bakeng sa ho tlhahisong ea lihlahisoa entseng ho tloha boitsebiso boo.

Hadfield motsoako o na le bokgoni ba phahameng bakeng sa mosebetsi oa thatafatsa, e leng haholo e phahameng ho feta ea lits'epe tse kopantsoeng tšoanang tšepe. Austenitic tšepe e na le tlase thatafala, phahameng qhoaele hanyetsa empa hape le tshusumetso le phahameng, khatello le mocheso marotholi a. E Thehiloe ho litšobotsi tse tsena, re ka bolela hore British metallurgist tšepe a loketse bakeng sa tshebediso ya ka libakeng senyang.

thekenoloji haholo-holo tjheseletsa Hadfield tšepe

The conductivity mogote wa austenite ke haholo ka tlaase ho feta ea steels tse ling, ka makhetlo a 4-6. The mogote tjaleho coefficient ke ka makhetlo a mangata ho feta hore ba tlase k'habone steels - ka linako tse 1.9. Tsena ke litšobotsi tse bohlokoa haholo tsa tšepe, kahoo a ikutloa joang ka monyetla oa ho petsoha batang ka ho pepesehela mocheso.

Ho na le ke kgonego bohlokoa le chesang petsoha ka lebaka la ho shrinkage tsa motsoako foromeletsoeng ho, e leng makhetlo 1,6 ho feta e tlase-k'habone tšepe. Mocheso phahameng fetola sebopeho austenitic ho martensitic, e leng ho eketsa kotsi ea mapetsong a le sebakeng sa thempereichara e phahameng.

Libakeng tsa kopo Hadfield tšepe

Ka lebaka lik'hemik'hale lona, litšobotsi tse le litšobotsi tsa austenite e sebelisoa ka liindasteri tse ngata. Ho sebelisa lihlahisoa tsa tšepe, o ka ba le bonnete ba hore ya tšepahala ha bona le ho durability phahameng ka ho fetisisa.

Wear manganga tšepe ke lintho tse bonahalang li ratoa. A palo e khōlō ea liindasteri tse hlahisang phahameng-matla dihlahiswa, sebediswa Hadfield tšepe. Lihlahisoa tse latelang ya hlahiswa ho tloha motsoako ona:

  • Engineering lihlahisoa.
  • Truckee ditanka popane.
  • Literekere.
  • Railway tšela.
  • Turnouts, ba nang le bokhoni ba ho sebetsa ka thata a tshusumetso mojaro le abrasion maemo.
  • Isoe teronkong mekoallo ka lifensetere.
  • bee dikarolo.

Thabisang e etsa thepa lattices teronkong 'me ba austenite. Ba bangata ba lumela hore ho ke ke e bopehileng phoqa batšoaruoa ba leka ho baleha. Ho ea ka classics tsa mofutakwalo, beng ka tse ngata nyenyelepa ka Hacksaw ho batšoaruoa ba ka tšepo ea tokoloho e ngata qala ho khaola fensetere mekoallo.

Tabeng ea tšepe ba tloaelehileng ke probable pholose. Empa Hadfield motsoako - ho apara manganga tšepe, e leng hangata e le Hacksaw ho bona ke ha khoneha. Ha u qala ho ile a bona lekhoakhoa la motsoako Hadfield, ho qala satalatsa holim, leng isang thatafatsa ea austenite ena. Hacksaw lekhoakhoa eketsa thatafala le thatafala handsaw holimo. Ka lebaka leo, re ka bua ka unreality ba pholose.

tšepe 110G13L

lik'hemik'hale

Elements (Lethathamo. Mendeleev)

Ni

C

MN

Si

S

P

Kr

Dikahare,%

, max. 1

0.9-1.5

11,5-15

0,3-1

, max. ya 0.05

, max. 0,12

, max. 1

Tšepe sehlopheng 110G13L - motsoako, e leng e sebediswa bakeng sa castings le na le thepa e khethehileng. tšepe ena e na le e phahameng qhoaele hanyetsa ka ho otla kapa differentials khatello.

Kopo steels 110G13L

Sena mofuta oa tšepe le sebelisitsoe ka tlhahiso ea thepa e latelang:

  • likarolo mosebetsi o boima hore ho lokela ho ba tsoarellang.
  • khoune bee.
  • Meno a excavators leboteng.
  • Housing bolo, sefofane sa jete Mills.

steels Analogs

Joalo tšepe e hlahisoang ke linaheng tse ngata.

Engelane

France

Austria

Czech Republic

China

Italy

Spain

United States

Germany

BW10

Z120M12M

Z120M12

BOHLERK700

422920

17618

ZGMn13-1
ZGMn13-2

GX120Mn12

AM-X-120Mn12
X120Mn12

A128
J91109
J91139
J91149

J91129

1,3401

X120Mn12

GX120Mn12


Properties ea sehlopheng tšepe 110G13L

Theknoloji le ho phetha molao feela thepa ya lintho tse bonahalang tse tse fanoeng ka litafole.

thepa foromeletsoeng

Foundry shrinkage%

2.6-2.7

thepa ea theknoloji

tjheseletsa

Se sebelisoa bakeng sa proizvodnje mehaho welded

bohale embrittlement

Tšekamelo hase

flakes

nahanela ha se

thepa Mechanical ho T = 20 o Ho C cha tšepe 110G13L

assortment

boholo

Mohlala.

's ka

's T

le d 5

featswan

KCU

phekole

-

limilimithara

-

MPa

MPa

%

%

KJ / M2

-

Lahla, GOST 21357-87

800

400

25

35

Satalatsa 1050 - 1100 ° C, ba folisoa ka metsi

GOST 977-88

Meh,. thepa ba beha ho latela ditlhoko moreki

kalafo mocheso

Mocheso kalafo Hadfield tšepe itšetlehile ka boemo ba k'habone dikahare ka motsoako le. Boemo e phahameng ea k'habone, a phahameng mocheso. Ka mohlala, haeba ka motsoako le e ho 1%, mocheso e lokela ho ba ka tlase ho 900 likhato. Ha 1.5% k'habone, sebetsa ke khoneha likhato 1000. Ha k'habone e le teng ka motsoako le ka 1,6%, mocheso e lokela ho ba ka holimo ho likhato 1050. Sena se lateloa ke tsidifatso metsi.

Phahameng mocheso e hlokehang bakeng sa shoa hoa feletseng tsa carbides, degrade boleng ba betsa ka, 'me bakeng sa khōlo ea khoahlapisitseng austenite. lahla kgahlamelo ya maqhubu a le nako e itšetlehile ka Botenya ba lona. Kahoo, 30-limilimithara botenya hloka hore eng kapa ka mor'a lihora tse 4, 'me 125 limilimithara - 24 lihora tse.

Abrasion hanyetsa Hadfield tšepe ka boemo as-lahla ho tšoana le ho ka mor'a tima. sebopeho austenite e pota-potiloe ke carbide le letlooeng itshwara apara maemo hammoho le homogeneous thatafetseng motsoako. E ka lebaka leo, ho pheha khang ea hore ba bang ba entsoeng ka ho qhibilihisoa microvolumes austenite o na le matla a tšoanang le durability e tiile lipelo tšepe. fragility lona e ile ea eketseha ka lebaka la tšusumetso ea carbide keriting, e bakang ea mahloriso a matla a likhatellong hare.

Hadfield tšepe ile ntshetswa pele ka lilemo tse mashome a 'maloa tse fetileng. Kajeno, motsoako tšepe - ke karolo ea bohlokoa ea ho hlahisa lihlahisoa tse ngata ho liindasteri tse sa tšoaneng. Ntle le liindasteri tse kang mohaho ona o mochini, oli le khase, lik'hemik'hale, e lokisa lijo, indasteri eneji, le ne a ke ke ho sebetsa hantle. Se ke la lebala ka kaho, tanka difeme le ntshetsopele ya mefuta e mecha ea libetsa e sebedisa e ncha indasteri li finyeletseng tšepe. Leha ho le joalo, lienjiniere le metallurgists se sa utloisise hantle hore kaofela ha thepa, libōpeho le lintho tse khethollang steels le motsoako.

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