The Material Selection For Disc

Cold Working Lab Report Name Institution Table of Contents Abstract 3 Introduction 3 Experimental Procedure 4 Results 4 Discussion 6 Conclusion 6 Acknowledgement 6 Cold Working Lab Report Abstract The goal of this experiment was to establish and compare the material hardness versus % of cold work for 110 copper alloy copper and 260 cartridge brass. The aim was to predict the material that would almost satisfy the requirements of a Rockwell hardness of 40 HRB for a component. From the experiment, the thickness, average HRB, and percentage cold work were tabulated for both copper and brass.

The inclusion of lithium in Reynolds X100 makes sure to block any dislocations within the alloys crystal structure, giving it an outstanding fatigue resistance.

Due to titanium being rather expensive it is rarely used for cycles. It is expensive not only because of the material costs, but also because of the care and time that must be put into the welding process.

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

results I received did not surprise me too much because I have taken a few personalities based

The use of thinner gauge Ti and Ni alloys is pushing the aircraft engine industry to ensure high quality welds can be made with lower levels of heat input. Every part we produce goes through our nondestructive laboratory to test the welds under x-ray or die penetrant.

Sample 3 achieved a higher Rockwell C rating than its initial "As Received" hardness with every type of quench.. Whereas samples 1, 2, and 4 softened during the annealing process but increased in hardness with the other quenching medias.

Aluminium (AL) alloy 6061 is one of the most extensively used of the 6000 series aluminium alloys. Among the various useful aluminium alloys, aluminium alloy 6061 is typically characterized by properties such as fluidity, cast ability, corrosion resistance and high strength-weight ratio. Aluminium-based alloy MMCs has received increasing attention in recent decades as engineering applications. This alloy has been commonly used as a base metal for MMCs reinforced with a variety of fibres, particles and whiskers. Tungsten carbide (WC) is approximately two times stiffer than steel, with a Young's modulus of approximately 550GPa, and is much denser than steel or titanium.

This experiment demonstrated some key differences in material properties of several heat treatments for 4140 steel. Annealing creates a soft and ductile material that is easy to machine and perform other operations on. Quenching creates a very hard and brittle material that has extremely high yield and tensile strengths. Tempering quenched steel softens the steel and provides a tradeoff between the hard and strong quenched steel and the soft annealed steel. Engineers are benefited by an understanding of heat treatment because they are better able to predict how a material will perform when loaded if they know the heat treatment state of that material. Thus the results of this experiment, and others like it available in literature, are very

The high strength, low weight, outstanding corrosion resistance possessed by titanium and titanium alloys have led to a wide and diversified range of successful applications which demand high levels of reliable performance in surgery and medicine as well as in aerospace, automotive, chemical plant, power generation, oil and gas extraction, sports, and other major

Having a ductile fracture rather than a brittle fracture is important. A ductile fracture is able to absorb more energy than a brittle fracture can (8). Figure 2 shows the relationship between brittle and ductile metals and their fracture points in a stress/strain diagram. A brittle fracture can withstand more stress, but only when lower strains are applied. A ductile fracture can withstand less stress, but can withstand more strain. This figure illustrates this relationship

When doing anything retrospectively, it means one is going back in time to older materials. Retrospective acquisitions means you are filling in gaps or buying historically significant resources that you should have in your collection (http://eduscapes.com/collection). When selecting retrospective materials for a collection, there needs to be a certain criteria to follow and things that need to be taken into consideration such as how important it is to the research being conducted, the importance of the item to the collection and the cost of acquisition and preservation, if the item is very old.

All the materials in our balloon car served a specific purpose. First, we used a water bottle due to the fact that it’s very light and we could easily poke holes through the plastic in order to put in the skewers for the wheels. Within the bottle, we used a dish sponge, is because it was squishy enough to put through the end of the water bottle and fill the hole we made. But, it’s also able to hold the skewer and straw in place. We used straws to cover the skewer and stick through the water bottle because the skewers in the straws were able to roll and spin without being stuck in place. Therefore, the wheels were able to turn. Then, hot glue allowed us to attach CDs to skewers. We also included bottle caps to cover the holes in the CDs and be able to fix the skewer and CDs together. For the third wheel, skewers helped us poke through the bottle caps glued on the center of the CD. The bottle caps again helped us cover the hole in the CD and keep the smaller skewer steady. Like the plastic water bottle, bottle caps were light and easy to poke holes through. For the wheels, we used CDs because they had holes through the center, so we could stick skewers through them with the help of bottle caps. Also, they were thin and light so that the car would travel faster, and the CDs have less surface area, creating less friction. We used cardboard contraptions to lift the balloon above the car so it didn’t hit the wheels. In addition, it was easy to

Abstract “Age or Precipitation Hardening” effects on the 2024 Aluminum sample (Al-4%Cu) was investigated by conducting two sets of experiments on 5 samples. In the first experiment, 4 of the samples were artificially aged, and in the second experiment, only one of the 5 samples were naturally aged. In conclusion, it is concluded that the hardness of the samples is directly affected by the time and the temperature of the age hardening, so as the samples are age hardened longer and in a higher temperature, the hardness of them increases accordingly. Description of theory Age or Precipitation hardening is a widely used heat treatment method that is done to raise the strength (including

Three-dimensional works of art have a unique characteristic that is different from other art forms. Its tactile quality is its distinct feature that allows viewers to touch the sculptures, crafts, and architectures which are all kinds of three-dimensional art. More so, these types of art pieces are not just painted on a canvass, they are molded, carved and sculpted to create an object with depth, width and height. The interpretations for three-dimensional artworks can vary depending on the viewer's perception and the function of these artworks which can either be functional objects or just merely aesthetic objects.