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Topic: Titanium boride

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	Process for producing particle-reinforced titanium alloy - Patent 6387196
		A process for producing a particle-reinforced titanium alloy includes the steps of: heating a titanium alloy in which ceramic particles having a thermodynamically stable property are dispersed in a temperature range of not less than.beta.-transus temperature; and cooling the titanium alloy to pass through the.beta.-transus temperature at a cooling rate of 0.1-30.degree.
		The process for producing a particle-reinforced titanium alloy according to claim 1, wherein said titanium alloy is formed of base powders of: (1) a hydride-dehydride titanium powder which is formed by dehydrogenation of titanium hydride; (2) an aluminum alloy powder; and (3) a titanium boride powder.
		Titanium boride has good congeniality for the matrix of titanium alloy; so, it is suppressed that a weak reactive phase for causing fatigue crack is formed in an interface between the titanium boride and the matrix of the titanium alloy.
	www.freepatentsonline.com /6387196.html (4545 words)

	Fire-resistant and thermal shock-resistant composite ceramic material and method of making same - Patent 5500394
		The optimum amount of titanium carbide is in the range of 5 to 10 percent.
		The introduction of 6 to 10 percent of titanium boride in the composite mixture improves the fire resistance, heat resistance, and impact resistance of the material.
		The introduction of 2 to 5 percent of titanium oxide in the composite mixture significantly improves the thermal-shock resistance and impact resistance of the material.
	www.freepatentsonline.com /5500394.html (1673 words)

	Articles coated with wear-resistant titanium compounds - United States Patent 4,411,960
		Thereafter, the titanium at the outer surface of said alloy is converted to a refractory material selected from the group consisting titanium carbide, titanium nitride, titanium carboxynitride, titanium boride and mixtures thereof.
		The titanium metal is then converted to a refractory material selected from the group consisting of titanium nitride, titanium carbide, titanium carboxynitride, titanium boride and mixtures thereof.
		The titanium portion is converted to titanium carbide, titanium nitride or titanium carboxynitride by the vapor reaction method heretofore described or to titanium boride by the boride bath procedure.
	xrint.com /patents/us/4411960 (1684 words)

	U.S. Patent: 5279737 - Process for producing a porous ceramic and porous ceramic composite structure utilizing ...
		borides of titanium, zirconium, niobium, tantalum, molybdenum, hafnium, chromium, and vanadium;
		composites and metal-ceramic composites of iron-aluminum oxide; aluminum oxide-titanium boride; aluminum-aluminum oxide-titanium boride; titanium-titanium boride; titanium carbide-titanium boride; aluminum oxide-titanium boride-titanium nitride; aluminum oxide-titanium boride-titanium carbide; boron carbide-aluminum oxide; molybdenum silicide-aluminum oxide; molybdenum boride-aluminum oxide; chromium carbide-aluminum oxide; and vanadium nitride-aluminum oxide.
		The uncombined or free titanium in the outer layers was converted to titanium nitride, and this additional reaction liberated enough heat to cause further sintering of the porous ceramic material.
	www.everypatent.com /comp/pat5279737.html (4845 words)

	Reinforced metal matrix composite - United States Patent 4,082,864
		The boride coating is formed by passing carbon fiber through a gaseous mixture of chlorides of the metal and boron in the presence of zinc vapor at elevated temperatures.
		In the case of one selected metal, titanium, its boride is applied to the multistranded fibers by passing the fibers through a heated reacting atmosphere of titanium tetrachloride and boron trichloride in the presence of zinc vapor.
		This boride is applied by exposing the fibers to a reacting gaseous atmosphere of titanium tetrachloride and boron trichloride in the presence of zinc vapor.
	xrint.com /patents/us/4082864 (3131 words)

	Titanium (EHC 24, 1982)
		Accidental splashing of workers with titanium tetrachloride and exposure to aerosols of titanic acid and titanic oxychloride led to skin burns with scarring, and congestion of the mucosa in the upper respiratory tract, followed later by cicatrization and laryngeal stenosis.
		Titanium metal powder is usually produced by reaction of the metal with hydrogen; the resulting brittle titanium hydride is then crushed before heating in a vacuum to remove the hydrogen (Stamper, 1970).
		Since titanium coheres with iron in most samples, and the ratios found were constant and close to the geochemical average of the ratios of these elements in soils, it was suggested that titanium had originated mainly from a soil source (yielding particles of 1 µm).
	www.inchem.org /documents/ehc/ehc/ehc24.htm (16046 words)

	Metallurgy of Titanium and its Alloys
		The crystal structure of titanium at ambient temperature and pressure is close-packed hexagonal (α) with a c/a ratio of 1.587.
		Notice there are many elements of similar size to titanium, and B, H, N, O and C all fall in the interstitial range of the Hume-Rothery rules.
		Titanium is capable of absorbing up to 60 at.% of hydrogen, which can also be removed by annealing in a vacuum.
	www.msm.cam.ac.uk /phase-trans/2004/titanium/titanium.html (2154 words)

	Process Materials
		Borides in general are used for wear-resistant films and to produce semiconducting films.
		Titanium boride and zirconium boride films increase the life of cutting tools.
		Borides are being investigated for use as diffusion barriers in both silicon and III-V device technology in multilevel metallization schemes involving aluminum as a second level.
	www.processmaterials.com /borides.html (60 words)

	MAT-VAC Technology, Inc. - Borides
		Borides in general are usd for wear-resistant films and to produce semi-conducting films.
		Titanium boride and zirconium boride increase the life of cutting tools.
		Borides are used as diffusion barriers in both silicon and III-V device technology in multilevel metallization schemes involving aluminum as a second level.
	www.mat-vac.com /sputtering-data/borides.shtml (56 words)

	U.S. Pregrant 20050208213 - Titanium boride coatings on titanium surfaces and associated methods (Site not responding. Last check: 2007-10-11)
		A borided titanium article can include a titanium mass having titanium monoboride whiskers infiltrating inward from a surface of the titanium mass to form an integral surface hardened region.
		Borided titanium articles can be formed by methods which include providing a titanium mass, contacting a surface of the titanium mass with a boron source medium, and heating the titanium mass and boron source medium to a temperature from about 700?
		Boriding titanium surfaces using these methods, provides a relatively inexpensive and effective process for improving the surface properties of titanium which are then useful in a wide variety of applications.
	cxp.paterra.com /uspregrant20050208213.html (309 words)

	titanium boride on GlobalSpec
		Titanium and Titanium Alloys (144 companies) Titanium and titanium alloys are non-ferrous metals with excellent corrosion resistance, fatigue properties, and a high strength-to-weight ratio.
		Titanium and Titanium Alloys Ulbrich Stainless Steels & Special Metals is a specialist in processing titanium and titanium alloy strip for use by metal formers and fabricators.
		Titanium FaroArm®, Portable Mid-Level Accuracy The Titanium’s high precision -- combined with its lightweight construction that provide superb portability -- means that the shop floor now has an affordable solution for most all of their measurement needs.
	industrial-ceramics.globalspec.com /Industrial-Directory/titanium_boride (1371 words)

	Amazon.com: Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are ...
		Amazon.com: Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are about to become a commercial reality for a number...
		Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are about to become a commercial reality for a number...
		Although a variety of titanium alloys such as alpha, alpha + beta, and beta alloys are already meeting diverse needs for specific strength, creep, and corrosion resistance, demands for increased performance continue to drive material development efforts.
	www.amazon.com /Titanium-composites-TiB-whiskers-reinforced/dp/B0008FKBH4 (440 words)

	Microstructural Refinement in Titanium Alloys via Boron Addition (Site not responding. Last check: 2007-10-11)
		Boron modification causes in situ formation of fine titanium boride precipitates, which not only restrict the grain growth at high temperatures but also assist in the nucleation and growth of fine equiaxed grains.
		Several titanium alloys containing varying levels of boron were prepared and the minimum amount of boron required for achieving microstructural refinement is established.
		The influence of boride precipitates on the kinetics of beta to alpha phase transformation reaction will be discussed.
	asm.confex.com /asm/2004/techprogram/paper_1412.htm (264 words)

	Applications for Carbides
		Some other ceramic materials related to the carbides are the nitrides, oxides and borides.
		The usual properties of the carbides and others are high strength, high temperature resistance and very good wear properties.
		Titanium itself is a very tough substance and when combined with Boron as a ceramic material, it used in strengthening bulletproof armor and blades to turbine engine in aircraft's.
	www.sv.vt.edu /classes/MSE2094_NoteBook/96ClassProj/examples/si-c.html (468 words)

	U.S. Patent: 6060154 - Coating liquid for selective permeable membrane, selective permeable membrane and selective ...
		The solution is a dispersion of fine particles having an average diameter of 100 nm or less of at least one of ruthenium oxide, titanium nitride, tantalum nitride, titanium silicide, molybdenum silicide, lanthanum boride, iron oxide and iron hydroxide oxide.
		It may also contain at least one of the alkoxides of silicon, zirconium, titanium and aluminum, and partially hydrolyzed polymers of those alkoxides, or a synthetic resin as a binder.
		The alkoxide of silicon, zirconium, titanium or aluminum, or the partially hydrolyzed polymer of any such alkoxide, or the synthetic resin binder in the coating solution improves the bonding of the fine particles to the base material upon hardening of the film, and also improves the hardness of the film.
	www.everypatent.com /comp/pat6060154.html (2719 words)

	Titanium Eyewear -- Recommendations and Resources (Site not responding. Last check: 2007-10-11)
		Additional text was taken directly from http://minerals.usgs.gov/minerals/pubs/commodity/titanium/ USGS Titanium Statistics and Information, from the Elements database 20001107 (via http://www.dict.org dict.org), Webster's Revised Unabridged Dictionary (1913) (via http://www.dict.org dict.org) and WordNet (r) 1.7 (via http://www.dict.org dict.org).
		----- titanium is extensively used in dental implants which are made possible by its very existence ----- ''"The metal, which burns when heated in air, is also the only element that can burn in pure nitrogen gas."'' This can't be right.
		Titanium Dragon 12:20, 4 May 2005 (UTC) I have largely ceased editing.
	www.becomingapediatrician.com /health/148/titanium-eyewear.html (911 words)

	Surface Engineering & Alloy Company -- Products -- CVD
		The nucleation rate of the particles at the surface is a function of the boriding time and temperature.
		The greatest advantage is that boride layers have extremely high hardness (between 1450 and 5000 HV) with high melting points of the constituent phases.
		The hardness of boride layers produced on carbon steel is much greater than that produced by any other conventional surface hardening treatments: It exceeds that of hardened tool steel, hard chrome electroplate, and is equivalent to that of tungsten carbide.
	www.surfaceengineering.com /Products-CVD.htm (340 words)

	Amazon.com: Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are ... (Site not responding. Last check: 2007-10-11)
		Amazon.com: Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are about to become a commercial reality for a number...
		Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are about to become a commercial reality for a number...
		Title: Titanium composites with TiB whiskers: titanium composites reinforced with titanium boride whiskers are about to become a commercial reality for a number of demanding automotive, aerospace, and other advanced applications.
	amazon.com /Titanium-composites-TiB-whiskers-reinforced/dp/B0008FKBH4 (514 words)

	Japanese Pregrant 2006138016 - manufacturing method law of titanium metal composition which possesses titanium boride ... (Site not responding. Last check: 2007-10-11)
		Offer method to manufacture titanium metal composition which possesses titanium boride particle which was dispersed in the inside.
		The thing which does material titanium base metal composition which includes titanium base metal composition which possesses to be done reduction by chemical and titanium boride particle in the inside melting is not and precursor compound brings about.
		titanium base metal composition which possesses titanium boride particle in the inside the thing which is done melting is not, pressure is close and is done.
	cxp.paterra.com /jppregrant2006138016.html (390 words)

	Key Ceramic Materials
		Primarily aluminum hydroxide, with impurities containing oxides of iron, titanium etc. The principal source of alumina.
		Synthesized trough calcining barium carbonate and titanium oxide, followed by solid-state diffusion and reaction to form the titanate.
		Similar to barium titanate, synthesized trough calcining calcium carbonate and titanium oxide, followed by solid-state diffusion and reaction to form the titanate.
	www.angelfire.com /space/ceramic/KCM.htm (2074 words)

	MRS Website : Silicidation of Titanium-Rich Titanium Boride Deposited by Co-Sputtering on Si (100) (Site not responding. Last check: 2007-10-11)
		Titanium boride is known as a good diffusion barrier, in particular against copper, however outdiffusion of boron might deteriorate the semiconductor device.
		In this study the intention was to form a TiB2/TiSi2 bilayer film by silicidation of a titanium-rich titanium boride deposited by magnetron co-sputtering from elemental targets.
		The Ti-rich titanium boride film was completely amorphous by XRD up to 700 oC.
	www.mrs.org /s_mrs/sec_subscribe.asp?CID=2353&DID=113702&action=detail (287 words)

	TiBw-Reinforced Ti Composites: Processing, Properties, Application Prospects, and Research Needs
		The directions for future development in terms of the choice of titanium matrix compositions, microstructure control, and mechanical property optimization, as well as the realistic possibilities of near-term commercial applications in industry are discussed.
		Owing to problems caused by the reactivity of titanium, interest in similar discontinuously reinforced titanium composites was not great until recently.
		In this context, it may be noted that high-purity titanium has elastic modulus values of 145 GPa and 100 GPa in the axis and the transverse directions of the hexagonal close packed unit cell.
	www.tms.org /pubs/journals/JOM/0405/Chandran-0405.html (4113 words)

	Far-infrared radiator (US5419855)
		% of at least one titanium compound selected from titanium dioxide, titanium carbide and titanium boride, 20-50 wt.
		A far-infrared radiating composition comprises the material and a resin, which may be formed in the form of plate, tube, sheet, or fiber.
		% of alumina, 20-70% of at least one titanium compound selected from titanium dioxide, titanium carbide and titanium boride, 20-50 wt.
	www.delphion.com /details?pn10=US05419855 (255 words)

	boron carbide properties and applications
		Boriding agent: Boron carbide is one of the raw materials used in boriding agents.
		Boriding (Boronizing) is a surface treatment (pack cementation).
		Boride surface layer(s) is formed after the treatment.
	www.7-stars-international.com /b4c.html (572 words)

	Titanium Boride
		They also have an extensive range of materials available including pure metals, precious alloys, alloys & cermets, borides, carbides, fluorides, nitrides, silicides and oxides.
		Titanium Boride (TiB2) - Supplier Data by Goodfellow
		Density data is provided for Titanium Boride (TiB2).
	www.azom.com /SearchResults.asp?MaterialKeyWord=Titanium+Boride (88 words)

	Titanium HQ : Panda Titanium
		Whilst every care is taken in the maintenance of this site, Titanium HQ does not warrant or guarantee the accuracy or completeness of the content available on this Website.
		As with every resource on the internet, it is your responsibility to judge the accuracy or completeness of the content before relying on it in any way.
		Titanium HQ excludes all liability of any kind (including negligence) in respect of any third party information or other material made available on, or which can be accessed using, this Website.
	titaniumhq.com /pandatitanium/index.php (677 words)

	Laser Deposition of Boron-Modified Titanium Alloys (Site not responding. Last check: 2007-10-11)
		Boron additions to titanium alloys have been shown to improve mechanical properties by forming a fine distribution of titanium boride particles that pin and impede defect motion.
		However, direct fabrication methods that utilize rapid solidification have been shown to improve the homogeneity of boron-modified titanium structures while refining the particulate size.
		Microstructural analysis and mechanical test results from laser deposition trials of various titanium alloys will be discussed in this presentation.
	asm.confex.com /asm/aero05/techprogram/paper_6860.htm (135 words)

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