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Topic: Fusible alloy

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	Patent 4559513: Trigger mechanism for dual-element fuse
		Second fusible conductor member 32 is connected at its first end 33 to the second end of metallic heat absorber 34 by a pair of tangs 37 which protrude from the bottom of heat absorber 34.
		Alloy masses 38, 52 need not be flowed into crevices as was necessary with blind alloy connections of the afore-mentioned prior art triggers.
		If the quantity of molten alloy is sufficiently large, as in prior art fuses, the circuit between fusible conductor members 28, 32 could be re-established by a molten alloy bridge, and the fuse will fail to clear in a proper manner.
	www.freepatentsonline.com /4559513.html (2924 words)

	Fusible Low Melting Alloy Solders by AIM
		AIM fusible alloys are low melting temperature alloys that contain bismuth, lead, tin, cadmium or indium.
		AIM’s fusible alloys are utilized in a broad variety of tool and die applications, including casting, tube bending, machining parts for soft metal dies, fixturing, anchoring parts, toggle dies and supporting castings and interrupted cuts.
		AIM fusible alloys are rarely consumed in an operation and therefore can be re-melted and used multiple times.
	www.aimalloys.com /solder_products/fusible_alloy_solder.htm (376 words)

	MAG Tool Inc. - MCP Bending Alloys
		Oiling To prevent alloy adhering to the bore of the tube after the melting-out operation, a continuous thin film of oil should be deposited on to the bore wall.
		By adjusting composition, it is therefore possible to produce a series of alloys which have dimensional stability on casting, or have a significant degree of growth.
		Fusible alloys provide a wonderful alternative to the lost wax process for reproducing intricate internal details, for example the inlet manifold for an internal combustion engine.
	www.magtool.net /mcpbendingalloys.html (1208 words)

	METALLURGY - LoveToKnow Article on METALLURGY
		Sulphide of antimony, when roasted in air, is converted into a kind of alloy of sulphide and oxide; the same holds for iron, only its oxysulphide is quite readily converted into the pure oxide.
		To avoid this, the ore as it goes into the furnace is mixed with fluxes so selected as to convert the gangue into a fusible, slag, which readily runs down through the fuel with the regulus and separates from the latter.
		Slags are not a necessary evil; if an ore were free from gangue we should add gangue and flux from without to produce a slag, because one of its functions is to form a layer on the regulus which protects it against the further action of the blast or furnace gases.
	65.1911encyclopedia.org /M/ME/METALLURGY.htm (3501 words)

	Britannica Concise Encyclopedia - The online encyclopedia you can trust!
		The principal alloying elements for steel are chromium, nickel, manganese, molybdenum, silicon, tungsten, vanadium, and boron.
		Fusible alloys are used as solder, in safety sprinklers that automatically spray out water when the heat of a fire melts the alloy, and in fuses for interrupting an electrical circuit when the current becomes excessive.
		Many fusible alloys are formulated to melt at 90–100° C (194–212° F); for example, Darcet's alloy (50 parts bismuth, 25 lead, 25 tin) melts at 98° C. By replacing half the tin in Darcet's alloy with cadmium, the alloy Wood's metal, which melts at 70° C, is obtained.
	www.britannica.com /ebc/print_toc?tocId=9005832 (369 words)

	Degradation sensing and shut-down means for refrigeration motor-compressor units US Patent 4490988 (Site not responding. Last check: 2007-10-15)
		It is a further object to provide means for effecting the continued shut-down of a motor-compressor unit in response to a predetermined level of contamination of the refrigerant-oil mixture or in response to a predetermined high temperature of the motor whichever occurs first.
		A further object is to provide a normally open encapsulated fusible switch positioned in the stator of the motor of a motor-compressor unit responsive to a pre-determined high motor temperature to close and effect a continued shut-down of the unit.
		The upper and lower ends of casing 16 are sealed by glass discs 50 and 54 and a pair of vertically arranged and horizontally spaced electrodes or contacts 52 extend from the exterior through the glass wall 54 and into the lower portion of the casing.
	patents.nimblewisdom.com /patent/4490988-Degradation-sensing-and-shut-down-means-for-refrigeration-motor-compress (2770 words)

	Fusible Alloys (from alloy) -- Britannica Student Encyclopedia
		It is an alloy of tin, antimony, and copper.
		The components of alloys are ordinarily themselves metals, though carbon, a nonmetal, is an essential constituent of steel.
		Alloys are used in millions of ways each day: Airplanes, automobiles, building metals, and cooking pots are typical objects made of alloys.
	www.britannica.com /ebi/article?tocId=196226 (779 words)

	Patent 4955404: Method and apparatus for sealing leaking valves on compressed gas tanks
		Also, the fusible substance flows through the holes 62 in the neck ring 12 to fill the neck ring with fusible substance, thereby to seal the neck ring to the tank and the homogeneous body of fusible substance within the interior of the cylinder 22.
		When all or substantially all of the fusible material has drained from the cylinder, circulation of the hot water is discontinued and the cap 20 is removed from the tank 10 and valve 14 to accommodate emptying of the tank and servicing of the valve.
		By virtue of the interference fits established upon contraction of the cap and solidification and expansion of the fusible alloy, the primary support for the cap becomes the valve which is embedded in fusible alloy having a shear strength greater than 3,000 psi.
	www.freepatentsonline.com /4955404.html (5228 words)

	Learn more about Iron in the online encyclopedia. (Site not responding. Last check: 2007-10-15)
		Iron is used in the production of steel, which is not an element but an alloy, a solution of different metals (and some non-metals, particularly carbon).
		Alloy steels contain varying amounts of carbon as well as other metals, such as chromium, vanadium, molybdenum, nickel, tungsten, etc.
		If iron ores are heated with carbon to 1420-1470 K, a molten liquid is formed, an alloy of about 96.5% iron and 3.5% carbon.
	www.onlineencyclopedia.org /i/ir/iron.html (1944 words)

	Stellar Technical Products / Welcome .:
		Fusible Alloys melt at temperatures from 117 — 338F.
		Other alloys expand during solidification, giving good gripping action for anchoring metal fixtures for machining, plastic and glass lenses for surfacing or thin-walled tube bending.
		alloys are also used for casting fuse links in fire sprinklers and safety plugs as well as radiation oncology shielding blocks.
	www.stellartechnical.com /cs6.html (87 words)

	A1 Canfield Technologies: Low Melt Alloys
		These alloys are frequently called "fusible" alloys because they are easily melted at a relatively low temperature compared to most solder alloys.
		The characteristics of these alloys include: low vapor pressure, good thermal conductivity, ease of handling, high liquid fluidity, ability to be reused, and controlled thermal dimensional properties.
		The change in volume due to cooling is simple linear shrinkage, but some alloys show changes in the structure of the alloy, which permit castings made of these alloys to have dimensions, the same or larger than those of the mold they were cast into.
	www.solders.com /low_melt_alloys.htm (336 words)

	Seslisozluk.com free online turkish dictionary turkish english translation çeviri tercüme thesaurus and reference ...
		A metal alloy that is melted to join or mend metal surfaces; also, the act of melting solder into the joint.
		Alloy of tin and lead, used to form mechanical joints between electronic components and printed circuit board copper lands.
		An alloyed metal designed to melt at a lower temperature than the alloy for which it is intended Used for joining metals together via a heating process Available in a range of alloys and grades to suit various applications.
	www.seslisozluk.com /?word=solder (652 words)

	Soldering Basics - Microwave Encyclopedia - Microwaves101.com
		A eutectic alloy is one which melts and solidifies at the same temperature.
		In paste form, the solder alloy is powdered and suspended in a flux.
		This alloy is very useful in the 300 degrees C range.
	www.microwaves101.com /encyclopedia/SolderChart.cfm (1511 words)

	EAP Reading (Site not responding. Last check: 2007-10-15)
		Then, as the alloy cools further, it gradually changes from a completely fluid condition, through a stage when it is like gruel, until it becomes as thick as porridge, and finally, at a temperature as low as 183°C, the whole alloy has become completely solid.
		The particular alloy is known as the 'eutectic' alloy and the freezing temperature (183°C in the case of the tin-lead alloys) is called the eutectic temperature.
		Such a fusible alloy is a complex eutectic of four or five metals, mixed so that the melting point is depressed until the lowest melting point possible from any mixture of the selected metals is obtained.
	www.uefap.co.uk /reading/exercise/ess3/alex2.htm (1071 words)

	Indium Corporation of America » Fusible Alloys
		This is due to the fact that the metals in these alloys have lower toxicity than mercury, and, perhaps more significantly, that the vapor pressures of these alloys are substantially lower than mercury.
		Alloy systems liquid at room temperature have a high degree of thermal conductivity far superior to ordinary non-metallic liquids.
		It is recommended that as alloy is removed from the bottle that the volume be replaced with dry argon.
	www.indium.com /products/fusiblealloys.php (214 words)

	What is Bronze
		Historians are unsure how this alloy was discovered, but believe that bronze may have first been made accidentally when rocks rich in ores of copper and tin were used to build campfire rings (enclosures for preventing fires from spreading).
		An alloy described in an 11th-century Greek manuscript in the library of St. Mark's, Venice, cites a proportion of one pound copper to two ounces of tin (8 to 1), approximately that used for bronze gunmetal in later times.
		The silicates (such as the complex aluminum, calcium, and magnesium silicates) are the chief constituents of clays, soils, and rocks in the form of feldspars, amphiboles, micas, and zeolites, and of semiprecious stones, such as garnet, zircon, topaz, and tourmaline.
	www.americanbronze.com /WhatsBronze.htm (1638 words)

	All the information on Cadmium
		A eutectic alloy melts to become a free running liquid at a single temperature which is lower than the melting point of any of its component elements.
		The non-eutectic alloys melt over a range of temperatures and have a 'pasty' range in which they can be easily worked and shaped as solders, fillers and brazes.
		The tin-lead-bismuth-cadmium alloy which melts at 7OO C is more commonly known as Woods Metal and is used in the bonding of metallized ceramic and glass components to metal frames and chassis where higher soldering temperatures are not possible.
	www.cadmium.org /app_allo.html (1152 words)

	MCP Low Melting Point Alloys, Sheet Metal Forming, Press Tools
		The range of MCP fusible alloys includes formulations suitable for the press tools used in sheet metal forming.
		The advantages in producing accurate press-tools easily, quickly and cheaply from a fusible alloy are great in comparison with the traditional, and laborious, manual methods.
		It is occasionally advantageous to use the related MCP 138 alloy, a modification with minor additions intended to reduce the wear-rate; a requirement for lower working temperatures can be met by MCP 70, containing lead and cadmium in addition to bismuth and tin.
	www.mcp-group.co.uk /alloys/lmpa_sheet.html (427 words)

	Chapter 5: Thermodynamics
		Fusible alloys are used in some fairly common items.
		The melting point of an alloy is often quite different from the melting points of the pure metals from which it is made.
		Lead is toxic, so this alloy should be handled with care, and should not be used near food, and should not be considered a toy.
	www.sci-toys.com /scitoys/scitoys/thermo/thermo4.html (1162 words)

	History of metal casting
		The fusibility of this alloy is certainly surprising, for the fusing temperature of each of its components, singly, is higher than twice that of boiling water.
		This alloy will be found to be remarkably fusible (although each of the metals, separately, requires considerable heat to melt it), and will melt even in hot water; it will likewise remain in a fused state on a sheet of paper, over the flame of a lamp or candle.
		In making casts with this and similar alloys it is important to use the metal at a temperature as low as possible; as, if but a few degrees elevated, the water which adheres to the things from which casts are to be taken forms vapor, and produces bubbles.
	www.publicbookshelf.com /public_html/The_Household_Cyclopedia_of_General_Information/homemetal_cdi.html (1250 words)

	Technical Bulletins from American Beauty - Solder and Soldering: A General Overview
		Description: Soldering is a well known and widely used process where two or more metal items are joined together using a fusible alloy with a melting temperature that is lower than their own.
		The most commonly used solder is a fusible alloy consisting essentially of a tin and lead mixture.
		Hard solders, or brazing alloys contain metals that require higher temperatures to cause the solvent action to take place and fuse the alloy with the metal being joined.
	www.americanbeautytools.com /bulletins.php?cat=5 (881 words)

	Globe Technologies Corporation :: Fire Protection Industry (Site not responding. Last check: 2007-10-15)
		Fusible Links shall not be subjected to high temperatures that exceed its maximum acceptable ambient temperatures.
		All Fusible Links shall be inspected and examined at least once annually for corrosion, soldered joint cracks, paint residue, chemical residue, or other foreign material that will impair the performance of the Link.
		The Fusible alloy that is used in the manufacturing of the Fusible Links undergoes a phenomenon known as Creep or Cold flow.
	www.globetechnologies.com /firedoor.htm (372 words)

	Jonathan A. Loose Designs
		Niello is most commonly an alloy of silver, copper and lead which is '...converted with the addition of sulphur into a mixture of sulphides.' (Fike, p.1) As the formula for niello requires an alloy fused with sulphur, it is referred to as a metallic sulphide compound.
		The method of pouring the alloy into the powder may have been faulty in that it is intended to be molten before the introduction of the alloy.
		It is important to stir the initial alloy that consists of only silver and copper as I have noticed that the surface of the alloy may appear completely molten and fluid while the bottom is not.
	www.jloose.com /thesis.html (10152 words)

	Tekno Valves - ISO 9001 : 2000 Company :: Manufacturer of All Types of Valves for Oxygen, Medical, Nitrogen, DA, CNG, ... (Site not responding. Last check: 2007-10-15)
		Fusible plug for Acetylene and Chlorine cylinders approved by CCE Nagpur.
		Fusible plug for tonners approved by CCE Nagpur for export.
		Blind plug and Fusible plug also manufactured as per customer drawing and specification.
	www.teknovalves.com /chl3.html (224 words)

	Kamran M. Nemati: A New Method to Observe 3-D Fractures in Concrete
		An alloy with a low melting point was used to penetrate cracks and pores in cylindrical specimens of normal and high-strength concrete subjected to uniaxial and confined compressive stresses.
		After the alloy was solidified, the surface of the specimens were etched with 1 molar hydrochloric acid, leaving a skeleton of alloy network on top of the new surface.
		The advantage of such an alloy is that it can be intruded into voids and stress-induced microcracks while the specimen is held under applied loads and then solidified to preserve the geometry of the induced microcracks.
	www.nemati.com /papers/ccr1.htm (2510 words)

	ipedia.com: Wood's metal Article (Site not responding. Last check: 2007-10-15)
		Wood's metal is a fusible alloy that becomes liquid at approximately 70 °C. It is an eutectic alloy of bismuth, lead, tin, and cadmium with the following percentages by weight: 50% Bi, 26.7% Pb, 13.3%...
		Wood's metal is a fusible alloy that becomes liquid at approximately 70 °C.
		It is an eutectic alloy of bismuth, lead, tin, and cadmium with the following percentages by weight: 50% Bi, 26.7% Pb, 13.3% Sn, 10% Cd.
	www.ipedia.com /wood_s_metal.html (188 words)

	Moh's scale - microhardness
		In order to study the talc it was necessary to embed it in a fusible alloy.
		The surface parallel to the principal plane of cleavage was cut first, in directions parallel but in sense opposite and second, in a similar fashion at right angles to the first group of cuts.
		These vertical cross sections were mounted in a fusible alloy and microcuts were made in various directions, and always in pairs, one in opposite sense to the other.
	www.minsocam.org /MSA/collectors_corner/arc/microhardness.htm (1896 words)

	Manufacturing Engineering: Getting a grip
		A workpiece can be set up in a defined relationship to a steel member with the intervening space filled by fusible alloy, or the workpiece can be embedded in a block of alloy shaped to provide specific reference faces.
		Before the alloy is poured, parts must be set up inside the bolster so that all parts are presented uniformly to a cutting or grinding tool.
		In this case, the alloy must be non-shrinking, and because it's put under load many times instead of once, it must possess maximum resistance to deformation.
	www.findarticles.com /p/articles/mi_qa3618/is_200210/ai_n9133025 (1555 words)

	METAL - Definition (Site not responding. Last check: 2007-10-15)
		No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc.
		Note: Popularly, the name is applied to certain hard, fusible metals, as gold, silver, copper, iron, tin, lead, zinc, nickel, etc., and also to the mixed metals, or metallic alloys, as brass, bronze, steel, bell metal, etc.
		In general, a metal of small value, as compared with gold or silver.
	www.hyperdictionary.com /dictionary/metal (422 words)

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