SEJ103- Materials Engineering Project- Using Basic Material Properties In Design Applications- Mechanical Engineering Assignment Help

Assignment Task:

SEJ103- Materials Engineering Project- Using Basic Material Properties In Design Applications- Mechanical Engineering Assignment Help

Your company has said that they want a common structural material to be used for the frame that will link each of your essential equipment components together. They are happy for each essential equipment component in the team to be made with a different material, however, would ideally like to see an overall playground design theme or concept that would be attractive to kids and parents (this does not need to be explained in detail, but should be agreed upon by the team). Note that for the structural frames, each team member is required to use the same unknown material, though must submit their own responses to the questions.  
 

Part 1. Mechanical Properties – Structural Frame 
 
For the design of structural frames, your company has given you an unknown material that you will need to assess for suitability (you suspect that your company is secretly testing your basic material engineering competence!!). There are no specifications available to assist you on the identification of the material.  You decide to send a sample of the material to the lab for testing to obtain material properties that can guide you during the design of the frame.  After a week, you receive a file containing recorded load-deformation data.   
 
Following table lists the experimental data sets assigned to each group for this assessment task. You will be working in groups to analyse the results but will submit an individual technical.  
  

With the data set, you are required to:  
 
A) Analyze your experimental data to plot 
(i) Complete stress-strain graph highlighting different characteristic zones in the graph i.e. elastic/ yielding/ plastic regions etc. 
(ii) Stress-strain behavior up to Yield stress (y) showing Young’s modulus of Elasticity (E) 

B) Use your experimental data and/or stress-strain plots to determine the following key design parameters –  
(i) Young’s Modulus of Elasticity (E) 
(ii) Yield stress (?y) 
or equivalent design proof stress 
(iii) Ultimate Stress (?u) 
(iv) Fracture stress (?f) 
(v) Ductility, and  
(vi) Modulus of Toughness (ut) 
(vii) Plastic deformation at ultimate stress 
 
 
C) Identify the material based on experimental data  
(i) Analyze your given experimental data to comment on material’s response to tension or compression, identify the material with assistance of CES EduPack, and comment on the suitability of this material for the design and construction of your playground equipment. You will need to compare this material’s key relevant properties to other materials in CES in order to provide an adequate comment on the suitability of the unknown material. 

Part 2. Material Selection  
 
For the design of your essential equipment component (and additional equipment component if you choose to undertake one), you are required to select what you consider to be the most appropriate materials, considering any relevant recommendations by Australian Standards and other design requirements you have identified. Use CES EduPack to assist you on the material selection.  
 
A) Select a range of suitable available materials that could be used for the construction of the essential equipment component (and additional component if selected). Don’t forget that you also have to select suitable material/s for the main frame.  You must clearly show the material selection process that you have used, carefully explaining and justifying the decisions by showing evidence or highlighting any assumptions. This range of suitable material should be based on non-negotiable requirements (constraints) for the equipment and can include preliminary load/stress calculations and potentially other research-based information.  
 
 
B) Your company has not yet decided what they want to focus on for the design in order to WOW the customer. Thus for your particular equipment, you are required to identify and explain/justify the “best” material for each of the special design requirements, as follow: 
(i) Cost: low-cost material 
(ii) Durability: most durable material  
(iii) Sustainability:  a material with potential for conversion into another item or reused at the endof-life, or a material with lower CO2 footprint  
(iv) High-tech: innovative material/cutting edge-technology  
 

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