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CHAPTER 1 Intoduction to Material Selection (methods of selection :school…
CHAPTER 1
Intoduction to Material Selection
methods of selection :school_satchel:
COMPARISON
made from normal & low :arrow_double_down: :moneybag: cost material
material disability :frowning_face: is evaluated :checkered_flag:
if not suitable :red_cross:
other material will selected and evaluated :checkered_flag:
process goes on :film_projector: until suitable material obtained :check:
IMITATIVE
Selection made by equality or similarity of function :twisted_rightwards_arrows:
toilet bolts coated :nut_and_bolt: :toilet: yellowish zinc -look like brass
ceramic with platinum lustre :second_place_medal:
durable recycle plastic polymer :recycle:
ceramic knifes :hocho:
:no_entry:
Comparison & Imitative faster :runner: & low cost :arrow_double_down: :moneybag: , more suitable for expert person :100: (designer)
CLASSICAL
selection done thru analysis of function & :microscope: properties specification
characteristic :<3:
function of component :racing_car:
requirement of component :spiral_note_pad:
material properties requirement :microscope:
more specified, :female-detective: more global, :earth_africa: high cost, :moneybag: required longer time to complete :timer_clock: & need do prototype test :star: :star:
material in design :derelict_house_building:
design = translating new idea :bulb: / market need into detailed information :information_source: from which product can be manufactured
design problem = open ended
Evolution of :monkey: engineering materials
sources of information :information_source:
engineer :construction_worker:/designer :lower_left_paintbrush:-have sufficient knowledge :bulb: & information :information_source: about material and their properties
standard
ASTM (Am. Soc. Testing& Materials), BS(british), :bread: DIN(german) :beer_mugs: JIS(japan), :japanese_goblin:
MS(Malaysia) :palm_tree:
software
CES, NOVA, PERITUS :chestnut: :dancer::skin-tone-2: :butterfly: