complete overview of the concept of surface engineering and its application in diversified fields. The centre is well equipped with both the conventional and the current state of the art surface modification techniques and reviews both the advantages and limitations of each technology. The centre through its ongoing R&D efforts strides to help Indian industries to achieve their full potential and competence in area of surface engineering and coatings. Surface engineering is the discipline of science encompassing:
org/news/2012-01-metal-alloys-energy-environment-benefit.html pic http://www.orthop.washington.edu/?q=patient-care/articles/what-is-hip-replacement-a-review-of-total-hip-arthroplasty.html http://bonesmart.org/hip/hip-replacement-implant-materials/ ENGINEERING MATERIALS Ms.Shetha Daniel Caledonian College of Engineering, Sultanate of Oman
SURFACE MODIFICATION ON THE STEM OF A TOTAL HIP JOINT REPLACEMENT INTRODUCTION Titanium and its alloys are used in various applications due to their desirable properties. One of the main sectors where titanium is highly used is in biomedical applications where both implants and tools for surgery make use of this element due to its biocompatibility, low modulus and excellent corrosion resistance. However titanium shows poor tribological properties and therefore it is generally alloyed and undergoes
I wasn’t surprised that our General Manager of RAW, Eric Bischoff put me to manage Carlito, the most un-cool person if not THE worst WWE superstar in the business. After Matt Hardy had to leave the company, I was left with no one to manage. I’m going to miss him. He didn’t deserve to leave. I was fond of Matt. I was intrigued by his raging determination to payback Edge for what he did (betraying him, let alone steal his woman). Eric Bischoff was impressed with my valet skill, he thought I could help
The first agency I volunteered to work for is a program called Summer Quest. Summer Quest is designed to help students that are in the sixth through twelfth grade experience a "positive summer experience." What this actually means is that it provides students an opportunity to do fun and exciting things, in a positive atmosphere. Instead of the students sitting at home alone the entire summer, they have a place where they can hang out and enjoy themselves. This is a great program
Since nearly the beginning of human history fishing has been an integral part of the culture and survival of coastal communities. These coastal communities and cities have always been some of the most prosperous and successful because of the added resource of the ocean. In the beginning many areas were so densely populated with fish and shellfish that often a day’s worth of food could be caught by simply wading into the shallows. For example, some of the first English settlers to see the Chesapeake
The movie “Keith” was released in theatres on April 11 in 2008. It was directed by Todd Kessler. Kessler teamed up with David Zabel on doing the screenplay. The story was written by Ron Carlson. The main characters, Natalie and Keith, are played by Elisabeth Harnois and Jesse McCartney. The movie shows how one person can affect another’s life immensely in such an abbreviated amount of time. Keith is a mysterious teenager. He is unpredictable and difficult to follow. Natalie is a control-freak
amount of water to test on. It will also have a roughly similar amount of particles. I will also put them in the same room together so the room temperature will be the same. The cans are made of the same material (aluminium) because I am testing surface area rather than different materials. I will use a water bath to heat the water so both cans will get the same temperature of water. This is how I will make it a fair test. Method The method I will be using is; I will boil 140ml of water
surrounding air and surface, where as the silver cup will reflect the heat back into the cup therefore keeping the water hotter for longer. SCIENTIFIC KNOWLEDGE Basically it is due to three factors CONDUCTION, CONVECTION and RADIATION. 1. CONVECTION - the hot water in both cups will have convection current in them. The hot water will rise and sink as the water begins to cool. This means the heat energy is being passed on to the metal cup over most of its inner surface. 2. CONDUCTION
gravity on Mars is about one-third of that on Earth. Though it is much smaller, Mars does have the same surface land area as Earth. Other than Earth, Mars posses the most highly varied and interesting known terrain in our solar system. The surface of Mars is a very hostile place however it is more like Earth’s surface than any other planet in our solar system. Much of the Martian surface
screen devices such as phones and tablets. Anyone who has held a mobile phone or handheld game knows that in a short period of time, the glass display becomes visibly dirty without anti-smudge coatings. Unwanted finger print smudges on touch screen surfaces significantly reduces the performance and utility of the device, as well as the quality of the image and the enjoyment of the user. Smudges are composites of materials resulting from contact with human skin and from being stored in pockets. The
Root Surface Caries Caries can affect any surface of the teeth. The most commonly seen caries are found on the crown of a tooth, above the cemento-enamel junction, it is also possible for caries to form on the root surface, below the cemento-enamel junction. Dental root caries has received a great deal of attention in the past few decades. A variety of different patients are at risk for root surface caries. Dentists use several methods of treatment. Root surface caries are also called cemental caries
alien world could exist above the surface. The nature of that world would be beyond their comprehension. You could sit only few inches from the fish, yet be separated from them by an immense chasm. You and the fish lives would be spent in two distinct universes, never entering each other’s world, yet were separated by only the thinnest barrier, the water’s surface. Now imagine that you are in a rainstorm next to the same pond. You notice that the pond’s surface was bombarded by thousands of tiny
one of the most destructive natural phenomena, consist of rapid vibrations of rock near the earth's surface. Because of their unpredictable occurrence and enormous capacity of destruction, they have brought fear to mankind since ancient times. A single shock usually lasts no more than a few seconds, but a series of smaller quakes may last for as long as five minutes. The quake felt on the surface is always the result, not the cause of some underground geologic process, and in many cases the damage
Investigating the Speed at Which a Ball Bounces Off a Surface Plan Introduction I intend on investigating the speed at which a ball rebounds of a given surface. I will try and find a relationship between the speed it hits the surface and the speed it comes off the surface. Background Information ====================== The principle of conservation of energy states "Energy cannot be created or destroyed, only converted from one form to another."1 This is the reason that the
Beneath the Surface Review I think the key message that the play was trying to convey was that mistakes happen all the time. In this case, the purpose of the main character’s “dig” through Earth was to help him learn how to forgive himself and be able to move on with his life. The opening act of the play started with the main character, Andy, digging his way from Hawaii to Botswana. Over the course of his journey, the audience is introduced to an array of characters that are responsible in helping
The Pigman by Paul Zindel is about the lives of an old man, Mr.Pigman, and two teenagers, John and Lorraine. John and Lorraine were two “normal” children that went to school and had a rough time in their homes. The growing bond between John and Lorraine all started when one day John and Lorraine met on the school bus one morning. Due to the fact that the first time they met was on a school bus, there was no room for mortification to occur. Soon after, John started getting himself into trouble at
structure on the surface to develop an ironic contrast, and then uses surface contrasts in a parallel form. To the reader, this gives the effect of chaotic experience ordered into a new whole, though the realistic surface of experience is faithfully retained. The fortune-telling of "The Burial of the Dead" will illustrate the general method very satisfactorily. On the surface of the poem the poet reproduces the patter of the charlatan, Madame Sosostris, and there is the surface irony: the contrast
rate of reaction: · Surface area · Pressure · Temperature · Catalyst · Concentration Concentration ============= If the concentration of a solution is increased there are more reactant particles per unit volume. This increased the probability of reactant particles colliding with each other. Pressure If the pressure is increased the particles in the gas are pushed closer. This increases the concentration and that will change the rate of reaction. Surface Area If a solid is
is due primarily to the presence of easterly winds in the Pacific, which drag the surface water westward and raise the thermocline relatively all the way up to the surface in the east and dampen it in the west. During El Nino conditions, however, the easterlies move east, reducing the continuing interaction between wind and sea, allowing the thermocline to become nearly flat and to plunge several feet below the surface of the water, allowing the water to grow warm and expand. With the help of the National