Engineering Studies – HSC Course
Assessment Task 2
Page 1…………………………………………………………………………….Title Page
Page 2…………………………………………………………………………….Material Properties
Page 3…………………………………………………………………………….Reynolds 853
Page 4…………………………………………………………………………….Reynolds X100
Page 5…………………………………………………………………………….Titanium alloy
Page 6…………………………………………………………………………….7005 Aluminium alloy
Page 7…………………………………………………………………………….Carbon Fibre
Page 8…………………………………………………………………………….4130 Chromium Molybdenum Steel
Page 9…………………………………………………………………………….Results
Page 10……………………………………………………………………………Table of Materials
Page 11……………………………………………………………………………Conclusion
Page 12……………………………………………………………………………Recommendation
Page
…show more content…
The inclusion of lithium in Reynolds X100 makes sure to block any dislocations within the alloys crystal structure, giving it an outstanding fatigue resistance.
Reynolds X100 as stated in paragraph one & two has a lack of strength compared to steel. The best way to deal with this is to increase the tubular diameter making it ovular that makes up the bike frame, hence also making sure that it is very resistant to bending. Though these enlarged and irregular sections are difficult to design and employ, the added stiffness to the frame is extensive. Unlike steel, we see that X100 (due to aluminium) has tremendous shock absorption, making the ride of a ‘Reynolds X100’ frame much more comfortable.
X100 is a seemingly average alloy, when it comes to joining it follows this path. To join aluminium it is naturally difficult to welded, and more complicated difficult processes must be used (inert gases are required to join members (MIG)).
Conclusively ‘Reynolds X100’ is more expensive than steel, due to its large percentage of aluminium, yet still not greatly expensive. In an ethical sense, the production of these bikes will not be wasteful, as aluminium is recyclable. It has great weight, very resistant to forms of decay and resistance to fatigue. Unfortunately, it is very difficult to repair, as the joining methods take large amounts of time and are very costly.
(http://www.reade.com/products, 2012)
Steel frame structures are made as the name suggest from steel, the material is strong and flexible. When weight is added it bends without cracking. Another characteristic of steel is that its plasticity or ductility, meaning that when force is added it won’t crack however it will lose shape therefore giving warning for people to evacuate the building. A disadvantage of steel is that is loses strength when subject to fire. Studies have shown that it can loose up- to half its strength when subject to fire, therefore making it imperative to cover the steel with boards or spray on.
The Neocutis brand of products match science to the delicate task of skincare. Lumiere from Neocutis is a soothing eye cream that brings intensive moisture to reduce signs of aging, darkness, and under-eye puffiness.
I hereby declare that, except where I have made clear and full reference to the work of others, this submission, and all the material (e.g. text, pictures, diagrams) contained in it, is my own work, has not previously been submitted for assessment, and I have not knowingly allowed it to be copied by another student. In the case of group projects, the contribution of group members has been appropriately quantified.
For the purposes of this assignment, a female advisor in the USC Viterbi School of Engineering, who has chosen to remain anonymous, was interviewed about her role as an academic advisor and in working with high-ability students. A female undergraduate student in the USC Viterbi School of Engineering was also interviewed about her experiences with her academic advisor and as a Trustee Scholar. The student provided her first name as “Vincy” but not her last name. It is important to note the advisor interviewed is not the advisor of the student interviewed. For better understanding, the student is a Trustee Scholar at USC; she received a full tuition scholarship for academic achievement in high school. Vincy is also an honors program student at the USC Viterbi School of Engineering.
Ever since I was little I always wanted to know machinery in small objects only worked the way they were design but didn't work in a different form from original manufacturing. What attracts me about Copper Union is that this school has everything available to answer my question. A very competivative working environmnet like that at Cooper Union is the type of environment that strive in to become a better person, someone who achieves what they original thoughout was not possible. By studying mechanical engineering at Cooper Union, I feel that I have a chance to become someone who is able to design new technology that can be easily be manipulated by anyone who desires the machinary to do something
Founded in 1985, Second Harvest is the largest food rescue organization in Canada. With their vision “No Waste. No Hunger”, this organization aims at rescuing and delivering fresh, surplus food to people experiencing hunger (Second Harvest, n.d). Second Harvest rescues food from 600 food donors, including restaurants, supermarkets, food warehouses, hotels and other small organizations. Each morning, 10 refrigerated trucks leave the warehouse and deliver food to over 253 social service agencies around the GTA and 15 food hubs across Ontario, such as kitchens, shelters, food banks, community centers and drop-in centers. These agencies cater to marginalized populations who are unable to buy their own food, including homeless people, young
Emotional/ psychological abuse is a form of abuse is when another person is subjected or exposed to another’s’ behaviour that
It has an excellent strength to weight ratio obtained from heat-treatment used in its formation. The heat treatment used for this steel does not use quenching rather uses air cooling or air
Another concern is the amount of carbon fiber sheets that are going to be purchased. It takes 42 sheets to produce 1 bike. Times this by the
Calculations were performed to determine the effectiveness of the design of the platform. Allowing for a safety factor of 1.5 times the design weight of 10kg and considering the bridge must not be overdesigned; plans were made for the bridge to fail at 25kg, 2.5 times that of the design weight. According to the calculations, the bridge would hold a load of over 15kg and experience failure at 20kg in the members. These calculations were later disproven in the testing, breaking 8kg earlier than expected, due to unforseen errors. An analysis of the bridge design and calculations has been included at the end of this report.
“It’s amazing how much technology has affected the modern age of motocross... Equipment is mounted everywhere on factory machines, and teams are able to chart exactly how a bike performs thanks to black boxes, GPS antennas, and an array of sensors.” -Restama. Technology is one of the numerous aspects that has helped supercross to grow continuously over the years. As well as giving riders another object to spend money on.
and are designed out of different materials like wood and steel. Although roller coasters are fun and exciting, the questions, what allows them to twist and turn, go up and down hills at a fairly good speed? Why do they not fall off of the track when it goes through a loop? The answer to these questions and others about roller coasters lies in the application
In Figure 4, Young's modulus is plotted against yield strength. The diagonal line in the figure represents the material index M= σy/E. Materials below the diagonal line are the best candidate materials because they will remain elastic while providing the maximum conformability. All materials that cost more than $2.20 per pound and have a UV rating of "poor" were eliminated. Also, only materials that can be made through the polymer extrusion process were considered. The candidate materials are listed in Table 1 and ranked by the material index. The current material, TPV, is included in the table for
For planning purpose, please open attachment and there you will find our Ordnance On-load hours of operation based on the guidance given from and inputs from HSC Pilots (VERTREP) and 1st LT (CONREP). Please pay attention to the three tabs at the bottom of spreadsheet. The rest will be left to the Weapons Department to safely execute this plan and everyone else to support the best of your abilities in your areas of responsibility. If you have any questions or concerns about this spreadsheet please do not hesitate in contacting me.
I then researched different failure modes which can affect the selection process of the go kart frame due to the fact that these failure modes affect almost all materials. One failure mode is ductile fracture “A ductile fracture is where a material pulls apart within itself this normally happens before the actual fracture or crack”.in some instances, materials pull apart instead of cracking. Ductile fracture is a type of fracture characterized by “extensive deformation of plastic or necking”. This will affect the material selection because I will need a material with good ductile strength that will last a long time as a go kart needs to support the driver on the go kart.