Explain and discuss briefly: (1) Which alloy has a lower ductility after additive manufacturing: aluminium alloy 7075 OR aluminium alloy AlSi10Mg? (2) Suppose a product is produced from aluminium AlSi10Mg alloy by additive manufacturing. Is the distribution of alloying element Si uniform in the as-additively-manufactured product?
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- Calculate the critical radius of precipitates for which an Al--Mg alloycontaining 10% Mg will be strengthened by Orowan looping instead of particle shear. Use the following data:γAl2Mg = 1.4 J/m2,G Al = 26.1GPa,rAl = 0.143 nm.Large transport aircraft make wide use of Al alloys with a –T6 temper (which indicates the peak strength condition). However, for certain locations in these aircraft it is preferred to use Al alloys with a –T7 temper (which indicates an overaged condition). What could possibly motivate this design decision even though it probably means an undesirable increase in vehicle weight?A form of boron nitride (BN) known as hexagonal boron nitride is used as a solid lubricant. Explain how this may be possible by comparing this situation with that encountered in two forms of carbon, namely diamond and graphite.
- E Questions? = = = 2. Where the carbon atoms sitting in BCT1 ma.rtensne a) Why does martensite has BCT structure?For the following aluminum, include a material property data, composition table, and name one application.ADVANCED MANUFACTURING PROCESS Outline the advanced casting process that would be most suitable for making total knee replacement that required high dimensional accuracy.Choose one biomedical grade alloy used to make total knee replacement. Explain your choices with details justification.
- Calculate the percentage of C and other alloying elements of the steel given the short designations 10CrMo910 and 45CrVMoW585 During decommissioning work, in order to determine the number of radionuclides deposited in a section of iron pipe, you grind up a small section of the pipe into a fine powder to carry out a reaction at 400 0C. Preliminary analysis shows that the predominant iron species are FeO and Fe2O3 Is it safe to use an aluminum crucible for heating your sample? What about a graphite crucible? Provide a short but detailed explanation referencing Ellingham diagrams, calculating Gibbs Free Energy, as well as provide any relevant reactions.For each material, indicate its material class? Provide the properties for each and related applications? Cu-Zn brass?
- Approximately how many degrees wide is the transition range at the 0.1 carbon alloy?Compare the carbonization and nitrification of steelWhen answering the following questions, ensure that you explain in terms of both the microscopic and macroscopic structure of the materials. A) Metallic- explain the differences in terms of structure for both low carbon and high carbon steels, also explaining how the structure and carbon content impacts properties of the steel. B) Ceramic - state the structure of a PZT based piezoelectric ceramic material , explain how this can be made piezoelectric and the key properties and changes that can occur.