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2nd appointmentMaterial SelectionandProcess3/24/2011hadisaputra@live.com
Materi 1 Konsep DesignCase study proses designEvolusi material TeknikKlasifikasi Material TeknikSifat-sifat Material TeknikKomposisi PaduanCase study Pemilihan Material untuk kaki meja3/24/2011hadisaputra@live.com
Product Design3/24/2011hadisaputra@live.com
Design flow Chart3/24/2011hadisaputra@live.comMaterial Selection and Process –Ashby-Ist
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Case Study Design Product: Vacuum Cleaner 1. Need devices to remove dust from carpets in Home 2.Concepts A VacuumAir CompressorAdhesive BeltBrush It OutDraw it Out ElectrostaticallyChoose a Vacuum MethodsSpecification :- Power source is electrical- Vacuum Pump- A Filter to Catch the dust- A pipe to direct action of pump to the carpets3/24/2011hadisaputra@live.com
3. Embodiment More Detail Calculation of : Law Rates Pump Design Form of Filter Diameter Length of Tube The Casing The Control How to Integrating All3/24/2011hadisaputra@live.com- A Layout diagram- Estimate Power- Weight & performance
4. Detail Design Pemilihan Material tiap komponen Pemilihan standart part untuk tiap komponen. Komponen yang bukan standart part perlu analysislebih lanjut , misal : Finite Element Analysis, Air Flow, dll Production Methods– Predefine prosess tiap komponen– Predefine alternatif cost tiap komponen Shape, Texture, and Color of external surface by otherEngineerComplate a set of Engineering Drawing and com
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Klasifikasi Material Teknik Metals– Steels, Cast irons, Al Alloys , Cu-Alloys,Zn-Alloys, Ti-Alloys Polymer– PE, PEEK, PP, PET, PC, PS, PA (Nylons),Polyesters, Phenolics , Epoxies Glasses– Soda Glass, borosilicate glass, silicaglass, glass-cermics Elastomers– Isoprene, Neoprene, butyl rubber,natural rubber, Silicon Composites– Composite, Shandwich, Segmentedstructures, Lattices, weaves3/24/2011hadisaputra@live.com
Klasifikasi Ferrous metal3/24/2011hadisaputra@live.com
Sifat-sifat Material TeknikPhysicalPropertiesDensity, melting point,optical, thermal,coefisient of conductivity,magnetic propertiesStatics propertiesPropertiesofMaterilasDynamic e EfferctsMachinability,Formability, Weldability3/24/2011hadisaputra@live.comFracture Toughness andThe fructure Mechanicsapproch
Sifat-sifat Bahan Teknik Static Properties– Tensile Test– Ductility and Britellness– Toughness berkaitan denganimpact or shock loading– Damping Capacity kapasitasabsorbed vibration eg cranksahft– Compression testing– Hardness testing, eq. Brinell,Rockwell, Vickers Machineability, Formability, and Dynamic properties– Impact Test– Fatigue and EnduranceLimit Temperature effect– Contohnya pada konstruksi pesawat,space vehicles, gas turbin, and nuklearpower plant, are required operatedunder temp. as low as -130 C or as highas 1250 C– Elevated Temp. usefull in modify thestrength and ductility of materials. Fig.2-29weldability Fracture toughness andFracture mechanics approach
Ikatan AtomIonic ndsSecondaryBonds3/24/2011van derWaals Forceshadisaputra@live.com
Crystal Structures of MetalsStructures unit cell : BCC FCC HCP Crystal system : inicTriclinichadisaputra@live.com
Unsur-Unsur Paduan Bahan teknikCompositeAlloysThe two elementsexhibet somedegree of solubilityin the solid stateElements combineto e.comTwo Type of buildingBlocks in intimatemechanical mixtureSubstitusionalInterstistialsIonic dancovalent
Center Problem in Material selection3/24/2011hadisaputra@live.com
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Strategy To Choose Material3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Material Chart3/24/2011hadisaputra@live.com
Case Study : Material Selection for Table Leg (ashby , page 71)3/24/2011hadisaputra@live.com
Case Study : Material Selection for Table Leg (ashby , page 71)3/24/2011hadisaputra@live.com
Case Study : Material Selection for Table Leg (ashby , page 71)3/24/2011hadisaputra@live.com
Case Study : Material Selection for Table Leg (ashby , page 71)3/24/2011hadisaputra@live.com
Case Study : Material Selection for Table Leg (ashby , page 71)3/24/2011hadisaputra@live.com
Case Study : Material Selection for Table Leg (ashby , page 71)3/24/2011hadisaputra@live.com
Tugas ? Mahasiswa Mencari–1. Klasifikasi Baja?–2. Kodefikasi Baja?–3. Unsur-unsur paduan baja?3/24/2011hadisaputra@live.com
References Materials and Processes in Manufacturing, E. Paul Degarmo Materials Selection in Mechanical Design, Ashby3/24/2011hadisaputra@live.com
Detail Design. Pemilihan Material tiap komponen Pemilihan standart part untuk tiap komponen. Komponen yang bukan standart part perlu analysis lebih lanjut , misal : Finite Element Analysis, Air
