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M.Tech. Material Science |
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FAQs :
Ques)What material science course is all about?
Ans) Materials Science Technology program provides education and real world experiences in a state of the art lab that prepares students for entry into many advanced manufacturing industries as a materials/composites technician, fabricator, or materials testing technician
Ques) What material science engineer is expected to do?
Ans) The work of material science engineers
a) New materials and combinations of existing materials to find practical applications for the manufacturing industry.
b) Manufacturing engineers are involved with all components of the manufacturing process
d) To design, improve, and alter products. This type of engineering professional is valuable to most industries.
Ques)What is the need of this course ?
Ans)The percentage of materials engineers in the total of all engineers in the engineering profession is small: probably less than 5%. However, the need to apply basic materials principles to the solution of engineering problems is great. Certainly in today's high-tech society basic materials principles must be applied to almost all endeavors: thermal protection of the space shuttle, creation of the artificial hip, design of the titanium golf club; and production of advanced battery systems for the electric car, the artificial heart, and the lap-top computer. Industry and government have traditionally depended on a few individuals on a project to address, for example, materials selection and process issues.
Ques )What are Sub discipline of material science where it can it be used?
Ans) (a) Aluminum alloys, strong enough for trucks, containers, petrol tankers;
(b) agro-textiles for soil improvement, water economy;
(c) Airport security systems – sensors for dangerous material;
(d) Battery research for cheap, recyclable, efficient batteries of all sizes;
(e) Ceramics as a technical material for irrigation, electronics, modern household
(f) Copper sheet for roofing;
(g) Material for implants. instruments and similar materials for local hospitals and
Dentist
(h) Powder metallurgy – already present in India, might still be expanded;
(i) Rails and sleepers (steel and concrete), welded and high-precision, for railroads
In particular for future automated city-links. Equipment for in-service quality
control
(j) Repair techniques for wear of earth-moving equipment by means of welding and
to improve lifetime under rough service conditions;
(k) monsoon-proof, low-noise road surfaces. Electrical devices for use in very m
(l) Packaging material for food and pharmaceutical industries – super-clean, laser-
Lettering
(m) Solar energy devices for rural
Ques) what qualities you need to have to pursue this course?
OR
What qualities you will develop while doing this course?
Ans) He or she should acquire a broad overview of the multiplicity of materials and the
Essential differences between them. Thus, they will get a feeling for their properties and also for the typical process roads, for equipment, manpower and energy requirements used in their manufacture. This is wise, last but not least in order to gain additional professional flexibility in the sense of being able to cope with a rapidly changing economical or social environment, as is more and more the case in our “globalize” world – where your lab or firm may, as of next week, have another director or proprietor. After such a period of general adoptions, the student will wish to focus for some time on one material or one technique with the goal of building up solid methodical expertise
.
Ques)This course needs a person to work in teams or as individuals?.
Ans) The person need to work both as individual as well as in team depending upon job profile.(eg-he can go for R&D, teaching ,manufacturing etc)
Ques)How can we sustain in this recession period after opting this course?
Ans) Only 5% of engineer is in material science .Demand is increasing per day
And experts in there sub disciplines are more in demand even in recession.
Ques)What is the future in material science ?
Ans) Materials Science Technology program provides education and real world experiences in a state of the art lab that prepares students for entry into many advanced manufacturing industries as a materials/composites technician, fabricator, or materials testing technician and field like aerospace manufacturing.
Ques)Why masters in material science?
Ans) A Bachelor of Science in materials science and engineering is usually required for securing employment as a metallurgical engineering professional. Additionally, experienced metallurgical engineers generally find master's degrees necessary to qualify for more advanced, higher-paying employment |
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Areas in material science:
- Metal and alloy
An alloy is a partial or complete solid solution of one or more elements in a metallic matrix. Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may be homogeneous in distribution depending on thermal (heat treatment) history. Alloys usually have different properties from those of the component elements
- Ceramic
A ceramic is an inorganic, non-metallic solid prepared by the action of heat and subsequent cooling. Ceramic materials may have a crystalline or partly crystalline structure, or may be amorphous, i.e., a glass. As most common ceramics are crystalline, the definition of ceramic is often restricted to inorganic crystalline materials, as opposed to the non-crystalline glasses.
The earliest ceramics were pottery objects made from clay, either by itself or mixed with other materials. Ceramics now includes domestic, industrial and building products and art objects. In the 20th century new ceramic materials were developed for use in advanced ceramic engineering, for example, in semiconductors.
- Polymers
Well-known examples of polymers include plastics, proteins and the elastomers, which include the natural and synthetic rubbers. A simple example is polyethylene, whose repeating unit is based on ethylene (IUPAC name ethene) monomer. Most commonly, as in this example, the continuously linked backbone of a polymer consists mainly of carbon atoms. However, other structures do exist; for example, elements such as silicon form familiar materials such as silicones, examples being silly putty and waterproof plumbing sealant. The backbone of DNA is in fact based on a phosphodiester bond, and repeating units of polysaccharides (e.g. cellulose) are joined together by glycosidic bonds via oxygen atoms
- Composites
Engineered materials made from two or more constituent materials with significantly different physical or chemical properties which remain separate and distinct on a macroscopic level within the finished structure
- Semiconductor
Semiconductor is a material that has a resistivity value between that of a conductor and an insulator. The conductivity of a semiconductor material can be varied under an external electrical field. Devices made from semiconductor materials are the foundation of modern electronics, including radio, computers, telephones, and many other devices. Semiconductor devices include the transistor, many kinds of diodes including the light-emitting diode, the silicon controlled rectifier, and digital and analog integrated circuits. Solar photovoltaic panels are large semiconductor devices that directly convert light energy into electrical energy. In a metallic conductor, current is carried by the flow of electrons. In semiconductors, current can be carried either by the flow of electrons or by the flow of positively-charged "holes" in the electron structure of the material
- Biomaterial
The development of biomaterials is not a new area of science, having existed for around half a century. The study of biomaterials is called biomaterial science. It is a provocative field of science, having experienced steady and strong growth over its history, with many companies investing large amounts of money into the development of new products. Biomaterial science encompasses elements of medicine, biology, chemistry, tissue engineering and materials science
- Concept and structure (R&D)
Work in research and development include new material research, nano technology and concept and structure. The structure of a material may be divided into four levels: atomic structure, atomic arrangement, microstructure, and macrostructure. Although the main thrust of [the materials engineer] is to understand and control the microstructure and macro-structure of various materials, [she] must first understand the atomic and crystal structures.
Atomic structure influences how the atoms are bonded together, which in turn helps one to categorize materials as metals, ceramics, and polymers and permits us to draw some general conclusions concerning the mechanical properties and physical behavior of these three classes of materials.
- Failure analysis
Failure analysis and prevention are important functions to all of the engineering disciplines. The materials engineer often plays a lead role in the analysis of failures, whether a component or product fails in service or if failure occurs in manufacturing or during production processing. In any case, one must determine the cause of failure to prevent future occurrence, and/or to improve the performance of the device, component or structure.
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