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Question: i 6 q5 the teeth cutting drilling microtool of dentists...

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i 6% Q.5.) The teeth cutting (drilling) microtool of dentists will be produced. For this application which of the following materials would be suited most: (a) An austenitic stainless steel tool. For medical applications it is a must (b) A quenched and tempered (2000) plain carbon steel tool with 0.3%C. (c) WC-Co cutting tool produced by powder metallurgy methods (d) A Ni-Cr-Co superalloy 6% QA) (a) 0,4%C steel (Annealed) (b) 0,4%C+4%Cr steel water quenched and tempered at 200C (c) 0.2%C steel (Annealed) (d) 0,4%C-4%Cr steel water quenched and tempered at 500C Put the following alloys in the order ofdecreasing strength: 20% QL) A part ofthe car body will be shaped froma steel sheet under hydraulic press Oeofthe following steel sheets will be used for this application. Which one would suit most for such an aplication 7 (a) A cold worked steel sheet with Yield Strength-960 MPa, UTS-1400 MPa (b) A hot worked steel sheet with Yield Strength -600MPa, UTS-900 MPa (c) A hot worked steel sheet with Yield Strength 450MPa, UTS 800 MPa (c) A cold worked steel sheet with Yield Strength-1100 MPa, UTS-1450 MPa d) Using a Ni-Cr alloy would suit better Choicewould suit for this aaplication, because 20% (02) Why soft drinks like ice tea cannot be stored more than one year in PET bottles, when compared to glass bottles? Because 8% Q.9.) I would use produce a food grade filter (E.g. filtering fruit juice). method and use type of material to 6% Q6.) Borosilicate glasses are resistant to thermal shock. why this is so? Explain in two sentences: Because 6% QJI.) An alloy will be used as a screw to fix broken human bones, would you select ( A) an age hardenable Al alloy (450 MPa) or (B) an age hardenable Ti alloy? I would use ,becaUN
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