University:
Coventry University
Course:
115 BMS | Introduction to Biomedical Analysis
Academic year:

2024
Views:

87

Pages:

4
Author:

Badusha S

Welding & types of all y The process of fusing 201-mole metal parts through the application/ heat, persscell of hoth, with of walking a filler metal to protege a localized Owon aclass the interface bloo the parts. -to Direct filling Gold (pure gold) the uwon can be brought abt only by -During welding, the temp shald be hab e nooh to locally mett the metal parts, and make the atoms suffice to each other to form a union The mood is used for welding weigh wiees, clast to partial dentar fill walks, a tho bands et c According to melting (heading) techniques, there are different methods of weld Gas welding :- In Indestues fias beast, Stanley ded GASL dec welding:- for stainlers sleell, bademetal allay Electric elesistond spot welding in dentally, for stainless steel, alho band etc Loses melody :-T; Pits alloys, base matre Clown bridges of al alloy castes The metro ment consist of a slop down transformer, similar to that one used in is dos lines for ovuc welding, to supply large calenti(A) through 2 thick Coclechodes CIBC2 Antide is to Under pressure he welded s held blw 2 electrodes. → large AC/DC of abt 750 A is paesed fek "a shard time 1/50s though CIB C₂ by just pressing & releasing - key 'k As All other metals like stainless steel have higher Resistance "R! corpulent to thick copper code BC2, large laises the ho at produced temp & melts the parts momentarily contact pt, fearmonger "target." e weld decay: Spot welding method is very Simple, and quick and is very concerned to cise in dentistry in case of stainless Steel bands. As the parts, melts, Gobl 1250°C it loces collusion resistance by Sensitiza un the right. -The welded puts forst generally decay finally fail. This is weld decay. -Thi can be minimized by lading the time I weel oling chonless steel wing stabil. god corlaning niobiuro fitarum plus tantalum abt Six lines Car Lon wedded jonts also cas decay - due to steels conc ibh at the nu nugget b homogenizer composition. Laser welding:- (2) Anallow laser heard ntende heat and is convenient for welding Olal appliances. Fol for epic cost parts of creating beside itself as the etc can he The cast of the parte all the rest not heated -This is also quite simple & investment tech is not loped Luelding the parts diendly on the cast reduces the chances of distolos. - laver & plasma, -welding all applicable for opti appliances. Ti forms titanium oxide coclocro-resistant film But higher te rop, the oxide tim boumes thekel & got dabonde d god 850°C of Lacer of plasma caselobry cp Tiin allon adm peeints Oxide famadını. → The baser & Molton mat diffuse p migrated part is obtained →Sime total hold generated by the laces beam is negligible the welding puts can de held in hands also. Appl. Calons:- microsurgeries in ophthalmology & other medical field oput peeling of high fusing alloys in and like ti, alloys & fita, predomi base metal alloy 5. In dental clinical speciality