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

2024
Views:

471

Pages:

3
Author:

Badusha S

characteristic properties of metals. I metallic bonding is bending metals have up stalling structure. due to long lange clockatatic. attractive forces buo atoms wwch fam metallic boods valences in outermost shells get sasily del bonded at all te rop by thermal enerpes. leaving behind, the atoms ad teerens in theid lattice positions. → feel is au is ble the moving at random the one latticd election qas - Strong metallic fonding is responsible for all perpettes.! 2. form the ioo is the solo- epi-Ht (in Hal) kt (kel/keses) Not (in Nacl) 3. Good condelors of heat & electricity:- Feee & has density for this condn. is responsible Gold, silues, platinum, co etc all very good conductors due to high e gas density → ceramic, polymers lack free 15 So Insulators 4. Ductile & mala Gold, platinum, Silver, co tin etc 5. Opoque S D'ue to absuction of electromagnetic radiatone by free 6. Most of the metal surface appeal. whte, except few like gold, co, taeed feler is con Wavelength and light sight of all most of the mace 7. Solid 100m temp (expt He, Hg) 8 Defirote M&B Terperature 9. High feature toughness. lesistance to Hack Mapap (25-60 MPa/m 40 a5 Coropaeed to lambics ie (0.75-5Mpam fractal for trainees 15 the nee required to produce fine clack of wast length in the mat rescued by mea Vicky indentation. 10. most of them produce metallic singing sounds and sudsy kick 11. most of thiro have high density Newton's law of cooling:- the quantity of heat lat, hot bock (ie rok of cabling) de/4+ 15 diendly proportional to meas excus fits temp sullanping. above the cooles m = mass S=specife heat 0201,s Do- outside temp. Ter According to Newton's lact. →Temp V5 time cold of me is ie, the exponential, indicating, infinite time required. to of hat budo cooling of external temp (if net disturbed) This superseded condition B install and is suitable. to fam stable cluster of or Cas KE embery of build chithoy-thom) insuffi to destroy Stalele lei of crystallization are nuclei formed in wey lalo numbers, though the tig homogeneity -diffusion of atoms towards the nuclei maks them. grow farming fere lice sleuctuelt brown as -loss of KE of atoms appears as Latent heat as immediate lise of somp from B→C -Thes per cent continues, the latent heat bisected is lost to the Sureanding as pee now la:co cooling as pee newton's law of caling, eeep top the tomp, constadt Repescented by plateaus parlos CD. -When solidified on completes, it cobs exponentially DE identities gow only until they are slyped by such growing adjacent cryst -There form geain with al no deplaned,