What is a brittle grayish white metallic element used in ...

A ferromagnetic alloy material is a transition metal-metalloid alloy, made from about 80% transition metal (usually Fe, Co, or Ni) and a metalloid component (B, C, Si, P, or Al) Added: Anti ferromagnetic materials occur commonly among transition metal compounds, especially oxides.

Identifying Non-Precious Metals : a quick look | Looking ...

Oct 13, 2013· Iron s a dull grey when unpolished and can rust to a reddish color. It is also used in a lot of alloys invlufinhsteel. Iron is heavy, and has a mohs of 6-7. Lead is a dull grey when unpolished but shinier when polished. Lead is not magnetic Leads is extremely heavy, but not hard.

a brittle hard gray metal very magnetic - shivamproperty.co.in

a brittle hard gray metal very magnetic All you need to succeed as a cement executive is a crystal ball that shows as much as a decade in... Learn More a brittle,hard,gray metal,very magnetic

Mohs Hardness Scale Vitreous Luster, any color can occur ...

Strongly magnetic. Magnetite Black to grey streak 1 Direction of Cleavage, Difficult to see Smudges fingers Dark grey to black color. Hardness 1. Greasy feel and smudges fingers. Hardness 1 ... Brittle Hematite Yellow, brown, or white streak No Cleavage Yellow-brown to dark brown color, also maybe black. Hardness 5-5.5. Brittle Limonite.

Elements - Vocabulary List : Vocabulary.com

a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals mendelevium a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)

List of the Chemical Elements - IvyRose Holistic

115 · Manganese is a silvery-grey hard metal, very brittle and difficult to fuse but easy to oxidize. Manganese metal and its common ions are paramagnetic. Manganese metal …

Metals - All Topics | Britannica.com

Complete list of articles about Technology / Materials / Metals: Actinoid element, Albert Sauveur, Alberto Burri, Alkali metal, Alkaline-earth metal, Aluminum, Arnold …

Is aluminum brittle? - science.answers.com

It has poor toughness and poor resistance to fracture.Sometimes a material can be very hard and yet … brittle. Glass is onesuch material. ... lightweight, malleable metal with appearance ranging from silvery to dull grey, depending on the surface roughness. ... with a superconducting critical temperature of 1.2 kelvin and a critical magnetic ...

What does metallic element mean? definition, meaning and ...

Definition of metallic element in the AudioEnglish.org Dictionary. Meaning of metallic element. What does metallic element mean? Proper usage and pronunciation (in phonetic transcription) of the word metallic element. Information about metallic element in …

Strategic Materials - Defense Logistics Agency

Chromium is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point.. Chromium is produced from chromite ore . About 80% of world production of chromite ore comes from India, Kazakhstan, and South Africa.

Tungsten - Wikipedia

In its raw form, tungsten is a hard steel-grey metal that is often brittle and hard to work. If made very pure, tungsten retains its hardness (which exceeds that of many steels), and becomes malleable enough that it can be worked easily. [13]

Magnet Materials Overview - MagnetShop.com

This material is hard, brittle, and dark gray in color. Sizes and Shapes: Discs, rings, ... SmCo magnet materials were introduced in the early 1970's. ... High magnetic properties, very brittle, but can be safely used at temperatures up to 500°F. Sizes and Shapes: Discs, blocks, and rings.

Metal Profile: Manganese (MN Element) - The Balance

Manganese is an extremely brittle and hard, silvery-grey metal. The twelfth most abundant element in the earth's crust, manganese increases strength, hardness and wear resistance when alloyed in steel.

Types of Metal - metals industry business information

In gray cast iron the carbon has the form of graphite flakes.White cast iron is hard, wear resistant, and brittle. Here the carbon is bound in small very hard ceramic particles called cementite. Ductile iron is ductile and shock resistant and is made by a heat treatment of gray cast iron where the graphite flakes change shape into small spheres.

Why is cast iron brittle and why does it crack easily ...

You can make cast iron strong again by remelting it to shape it and then re-tempering it to add carbon and it becomes strong instead of being hard and brittle. As a blacksmith, i have recasted iron and steel many times and that's the great thing about metal, u can mess it up and re-use as much as you want.

Tantalum - Wikipedia

Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It is part of the refractory metals group, which are widely used as minor components in alloys. The chemical inertness of tantalum makes it a valuable substance for laboratory equipment and …

COBALT - Crossword Clues | Wordplays.com

COBALT - Crossword Clues. Search through millions of crossword puzzle answers to find crossword clues with the answer COBALT.Type the crossword puzzle answer, not the clue, below. Optionally, type any part of the clue in the "Contains" box.

Brittle Hard Gray Metal Very Magnetic - belgian-press.be

Brittle Hard Gray Metal Very Magnetic. Types of Metal - metals industry business information. Of all the metals, it is the most naturally dia-magnetic, ... form of chromium is very hard and brittle up to ... is a hard, lustrous, silver-grey metal, ...

What does atomic number 25 mean? definition and meaning ...

1. a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals Familiarity information: ATOMIC NUMBER 25 used as a noun is very …

Metals - Featured Topics | Britannica.com

A precious, silver-white metal, iridium is hard and brittle, but it becomes ductile and can be worked at a white heat,… Ellsworth Kelly Though often associated with Minimalism, Kelly preceded the …

Metal Profile: Chromium - Properties, History & More

Chromium is a hard, gray metal that is valued for its incredible resistance to corrosion. Pure chromium is magnetic and brittle, but when alloyed can be made malleable and polished to a bright, silvery finish.

names and symbols of 47 most common elements - Quizlet

a strong, hard magnetic silvery-gray metal, the chemical element of atomic number 26, much used as a material for construction and manufacturing, especially in the form of steel. lead Lead is a chemical element in the carbon group with symbol Pb and atomic number 82.

metallic element - Dictionary Definition : Vocabulary.com

a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals Hg, atomic number 80, hydrargyrum, mercury, quicksilver a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

Use brittle in a sentence | brittle sentence examples

Brittle Sentence Examples. ... hot-forging he would inevitably learn that sudden cooling, by quenching in water, made a large proportion of his metal, his steel, extremely hard and brittle, ... Bismuth is a very brittle metal with a white crystalline fracture and a characteristic reddish-white colour.

a brittle hard gray metal very magnetic - 3d-interier.eu

a brittle hard gray metal very magnetic All you need to succeed as a cement executive is a crystal ball that shows as much as a decade in... Learn More a brittle,hard,gray metal,very magnetic. Get Price. Aluminum: Metallium . Cobalt is a hard, magnetic, somewhat brittle metal resembling iron and nickel ... The metal is very hard and brittle and ...

What does metallic element mean? definition, meaning and ...

Definition of metallic element in the AudioEnglish.org Dictionary. Meaning of metallic element. What does metallic element mean? Proper usage and pronunciation (in phonetic transcription) of the word metallic element. Information about metallic element …

Grey Iron - Materials Engineering

Grey irons are brittle, and have little plastic deformation and thus the yield strength and tensile strengths are almost identical. Further to this, grey irons exhibit little if any strain under tensile loadings and do not follow Hooke's law very well.

I LOW TEMPERATURE METALS - Brookhaven National …

to very low temperatures, and a much larger class of metals that, at some temperature or in some range of temperature, undergo a transition from ductile to brittle.behavior. As pointed out above, the temperature level where this transition in fracture behavior