science

National Metallurgical Laboratory

National Metallurgical Laboratory is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand National Metallurgical Laboratory rather than just read about it. In short: National Metallurgical Laboratory is an Indian research center based in Jamshedpur that functions under the aegis of the Council of Scientific and Industrial Research. It was inaugurated on 26 November 1950 by Jawaharlal Nehru.

Key takeaways

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Reference excerpt

National Metallurgical Laboratory is an Indian research center based in Jamshedpur that functions under the aegis of the Council of Scientific and Industrial Research. It was inaugurated on 26 November 1950 by Jawaharlal Nehru.

History In 1944, the then Government released ₹10 million (US$103,843) to set up National Physical Laboratory, National Chemical Laboratory and National Metallurgical Laboratory (NML). This was seen as a step by the Government to develop industry in pre-independent India, and also as an incentive to private firms to support industrial research. As a result, the Tata Trust promised to donate ₹1.17 million (US$12,000) to NML. A year later, Ardeshir Dalal – the then member of planning and development for the government – confirmed the location of NML to be Jamshedpur. In 1946, the governing body approved the final plans for NML. As per that, the laboratory was to be set up with an initial capital expenditure of ₹4.28 million (US$44,000). On 21 November 1946, Honorable Mr. C. Rajagopalachari laid the foundation stone of the laboratory in front of representatives from the iron and steel industry. Dr. George Sachs, an American metallurgist was appointed as the first director of the laboratory. Since October 1949, the technological block of the laboratory started functioning effectively. On 26 November 1950, the country's first prime minister Pandit Jawaharlal Nehru inaugurated the laboratory. This was followed by a two-day conference that was held in the presence of the directors of National Physical Laboratory, National Chemical Laboratory, Central Road Research Laboratory, Fuel Research Institute, NML and Central Glass and Ceramic Research Laboratory. The conference noted the essential articles that were not produced in the country, but will be required during emergencies.

R&D Source:

NML played a significant role in developing a ‘Direct Reduction Technology’ for producing sponge iron with solid fuel like non-metallurgical coal. This formed the basis of the first commercial sponge iron plant of India in 1975. NML had developed a technology for extraction of zinc by the hydrometallurgical route for Hindustan Zinc Ltd. In this process, nitrogen was used as an inert gas to prevent oxidation of zinc, and in a once through mode rather than recovery and recycling. Column flotation technology for the beneficiation of sillimanite was successfully developed and demonstrated first at the Indian Rare Earths plant in Orissa. Today it is commercially operating with consistent recovery and grades, both at Chatrapur and Chavara. NML had developed an eco-friendly cokeless cupola for foundries, particularly for the Taj Mahal area in Agra. This was based on CNG instead of conventional coke NML had developed models to capture and predict the process phenomenon occurring in different zones of the blast furnace. Lack of operational data was a great handicap. To overcome this, a Real Time Process Simulator was developed for online monitoring and prediction of internal process dynamics. At TISCO, the productivity of blast furnace G increased from 2.04t/m3/d to 2.46t/m3/d because of the inputs from NML. At Bhilai Steel Plant, the blast furnace productivity was enhanced from 1.6 t/m3/d to 1.88 t/m3/d upon implementation of the RTPS system. NML has developed a range of softwares, test protocols, sensors and devices for structural integrity assessment and residual life evaluation of materials and components used in power plants and petrochemical industries. NDE sensors and devices based on ultrasonics, magnetic and acoustics which have been implemented extensively in the industries. NML establishing a pilot plant to produce magnesium using indigenous technology in Jamshedpur. The plant will produce 120 kg of magnesium daily, NML has developed a new indigenous "Highly Guarded Magnetherm" process, this electrothermal process produces at pilot scale of 300-450 kg raw material producing ~40 kg Magnesium/batch. NML has developed Anti-tarnishing lacquer is a one-component fast-drying interior lacquer for use on Brass, Copper, Bronze, and Silver surfaces. It prevents tarnishing (blackening) and provides a durable finish resistant to water, acid, and alkali environments.

See also Defence Metallurgical Research Laboratory Central Glass and Ceramic Research Institute Institute of Minerals and Materials Technology Central Electro Chemical Research Institute

References

External links "National Metallurgical Laboratory – Web site". National Metallurgical Laboratory. 2015. Retrieved 20 April 2015.

Worked examples

Example 1 — a first encounter with National Metallurgical Laboratory

Start with the simplest possible case. Write down what National Metallurgical Laboratory claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to National Metallurgical Laboratory before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about National Metallurgical Laboratory ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of National Metallurgical Laboratory

In research: National Metallurgical Laboratory appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses National Metallurgical Laboratory in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: National Metallurgical Laboratory is common in secondary-school and first-year university syllabi. It links to neighbouring topics Council of Scientific and Industrial Research, Education in Jamshedpur, Indian organisations established in 1946, so understanding it makes those chapters shorter.
In everyday life: Look for National Metallurgical Laboratory outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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Frequently asked questions

What is National Metallurgical Laboratory in simple terms?

Why does National Metallurgical Laboratory matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study National Metallurgical Laboratory?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

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