Phapang pakeng tsa Vickers hardness tester le microhardness tester

Ka lebaka la teko ea Vickers hardness le microhardness, sekhutlo sa daemane sa indenter se sebelisoang ho lekanya sea tšoana. Bareki ba lokela ho khetha Vickers hardness tester joang? Kajeno, ke tla hlalosa ka bokhutšoanyane phapang pakeng tsa Vickers hardness tester le microhardness tester.

Karohano ea boholo ba matla a teko ea Vickers hardness le microhardness tester scale

Teko ea ho thatafala ha Vickers: matla a teko F≥49.03N kapa≥HV5

Boima ba Vickers ba mojaro o monyane: matla a teko 1.961N≤F < 49.03N kapa HV0.2 ~ < HV5

Mohlahlobi oa Microhardness: matla a teko 0.09807N≤F < 1.96N kapa HV0.01 ~ HV0.2

Joale re lokela ho khetha matla a teko a loketseng joang?

Re lokela ho latela molao-motheo oa hore ha ho tenyetseha ho le hoholo, boleng ba tekanyo bo nepahetse haholoanyane haeba maemo a mosebetsi a lumella, 'me re khethe kamoo ho hlokahalang, hobane ha ho tenyetseha ho le honyenyane, phoso e kholo ea ho lekanya bolelele ba tatelano, e leng se tla lebisa keketsehong ea phoso ea boleng ba thatafalo.

Matla a teko a teko ea microhardness tester hangata a hlomelloa ka: 0.098N (10gf), 0.245N (25gf), 0.49N (50gf), 0.98N (100gf), 1.96N (200gf), 2.94 (300gf), 4.90N (500gf), 9.80N (1000gf) (19.6N (2.0Kgf) boikhethelo)

Ka kakaretso, kgolo e hlomelloa ka: makhetlo a 100 (ho shebella), makhetlo a 400 (tekanyo)

Boemo ba matla a teko a teko ea Vickers hardness tester bo ka aroloa ka: 2.94N (0.3Kgf), 4.9N (0.5Kgf), 9.8N (1.0Kgf), 19.6N (2.0Kgf), 29.4N (3.0Kgf), 49.0N (5.0Kgf), 98.0N (10Kgf), 196N (20Kgf), 294N (30Kgf), 490N (50Kgf) (mefuta e fapaneng e na le litlhophiso tse fapaneng tsa matla a teko.)

Ka kakaretso, tlhophiso ea kholo ke: makhetlo a 100, makhetlo a 200

Sesebelisoa sa ho lekola thata sa Vickers sa Shandong Shancai/Laizhou Laihua Testing Instrument se ka etsa liteko tsa thatafalo likarolong tse welletsoeng kapa libakeng tsa ho wellisa.

Ho ya ka boleng ba thata bo lekantsweng, boleng ba diphetoho tsa weld le metallurgical bo ka ahlolwa. Mohlala, thata e phahameng haholo e ka bakwa ke ho kenya mocheso o feteletseng nakong ya ho tjheseletsa, athe thata e tlase haholo e ka bontsha mathata a sa lekaneng a ho tjheseletsa kapa boleng ba thepa.

Sistimi ea ho lekanya ea Vickers e hlophisitsoeng e tla tsamaisa lenaneo la teko le iketsang ka botlalo 'me e bontše le ho rekota liphetho tse tsamaellanang.

Bakeng sa liphetho tsa teko ea tekanyo, tlaleho e tsamaellanang ea setšoantšo e ka hlahisoa ka bohona.

Ho bohlokoa ho hlokomela hore ha o khetha sebaka se emelang.Haeba o kenya weld e le ntlha ya teko, etsa bonnete ba hore sebaka sena ha se na masoba, mapetso kapa diphoso tse ding tse ka amang diphetho tsa teko.

Haeba o na le lipotso mabapi le tlhahlobo ea weld, ikutloe u lokolohile ho ikopanya le rona