Baoji Eastsun Titanium Industry Co.,Ltd

Date: 8th September 2016
Memory Wire
Superelastic?Nitinol?Alloys?/?Shape?memory?Nitinol?alloys??/?Nitinol?Memory?Wire?Nickel?Titanium?(also?known?as?Nitinol?or?NiTi)?is?in?the?unique?class?of?shape?memory?alloys.?A?thermoelastic?martensitic??phase?transformation?in?the?material?is?responsible?for?its?extraordinary?properties.?Nitinol?alloys?are?typically?made?of?55%-56%?Nickel?and?44%-45%?Titanium.?Small?changes?in?composition?can?significantly?impact?the?properties?of?the?material.There?aretwo?primary?categories?of?Nitinol.?The?first,Website:http://www.tirods.com,?known?as?"SuperElastic",?is?characterized?by?extraordinary?recoverable?strains?and?kink?resistance.?The?second?category,?"Shape?Memory"?alloys,?is?valued?for?the?Nitinol's?capacity?to?recover?a?pre-set shapewhen heated above its transformation temprature. The first category is often used for orthodontics (braces, wires, etc) andeyeglasses. EST makes shape memory alloys, which are primarily useful for actuators, used in many different mechanicaldevices.?Chemical?CompositionReference?ASTM?F2063-2012?or?GB?24627-2009;?Af Temperature?Range?-40C~85C?Nitinol Wire For FishingDiameter?RangeOD0.08mm~OD7.00mm?Surface?State?Options??????Oxide?surface(including?Black?oxide,?Blue?oxide,?Amber?oxide)??????Etched?surface?????Polished?surface??????Ground?surface?Tolerances????4.000~2.000mm?????0.020mm?????2.000~1.000mm?????0.015mm?????1.000~0.350mm?????0.010mm?????0.350~0.260mm?????0.007mm?????0.260~0.150mm?????0.005mm?????0.150~0.080mm??????0.004mm??StandardASTM?F2063-05??Q/XB1516??Customer?specified?or?Industry?Standard?Nitinol wire Specifications?AlloyChemicalcompositionAf(Fully?annealed)Min.?elongation?to?failure?[%]Max.?Residualelongationafter?6%strain?[%]Main?ApplicationsSpecificationsSuperelasticNi-Ti?alloyTiNi-SSTi-50.8at%-5?C???5?C.100.1Eyeglass?Frames,?Cellular?Phone?Antennae,?Bra?UnderwireQ/XB1516.2Q/XB1516.2TN3TNCTiNiVAlTiNiCr-40?C?~50?C100.1Body?temperatureNi-Ti?alloyTiNi-YYTi-50.7at%NiFunctional?Af=33???3150.1Implantable?devices,Bone?staplesVascular?StentsASTM?2063Ti-Ni-0155.6~55.8?wt%Ni20?-?40150.1Guide?wires,?StentsOrthodontic?ArchesQ/XB1516.1High?temperature?Ni-Ti?alloyTi-Ni-0254.8~55.5wt%Ni45?-?95100.1Implantable?active?devices,?Surgical?tools,?Thermostats?CoffeepotsQ/XB1516.1?Nitinol?wire?alloy?code:?Regular?binary?NiTi?alloy?code,?main?composition,?and?typical?active?Af?temperature?(per?ASTM?F2063-05?or?GB?24627-2009)?*The?real?active?Af?temperature?may?varies?with?actual?composition,?thermo-mechanical?history?of?the?products.?????????????Alloy?codeABSCDEMain?composition?mass%Ni55.0755.6655.7655.8655.9656.25*Active?Af?after?heat?treatment,??C75+/-528+/-523+/-511+/-55+/-5-15+/-5Regular?ternary?NiTi?alloy?code,?main?composition,?and?typical?active?Af?temperature??Alloy?codeFGIJHMain?composition?mass%Ni44.0Ti55.8Ni0.2Cr44.0Ti55.2Ni0.8Cr50.0Ti45.0Ni5.0Cu50.0Ti49.7Ni0.3V47.0Ni44.0Ti9.0Nb*Active?Af?after?heat?treatment,??CSimilar?to?binary?Nitinol??D?with?higher?strengthSimilar?to?ternary?NiTi0.2Cr?with?higher?strength42+/-5-32+/-6142+/-10?*The?real?active?Af?temperature?may?vary?with?actual?composition,?thermo-mechanical?history?of?the?product.?We?manufactures?different?medical?grades?(binary?NiTi?code?D,?C,?S,?E?and?ternary?NiTiV?code?J)?of?Nitinol?wire?products??available?in?either?as?straightened?super-elastic?(SE)?wire?or?the?cold?worked?(CW)?condition?wire?ready?for?heat?treatment.?Heat?Treatment?Status:?Medical?grade?Nitinol?wire?may?be?purchased?in?the?super-elastic condition (SE) or the cold worked (CW), and after the correct?supper-elastica heater treatment will accommodate strain up to 8% without permanent kinking at body temprature. ? ? ? ? ? ? ? ? ? ? ? ??Typical?transformation?temperatureThe?transformation?temperatures?and?mechanical?properties?for?typical?grades?of?Nitinol?are?presented?in?the?table?below:?Nitinol?codeNi?contentmass%NiAs?straightened?super-elastic?(SE)Cold?worked?(CW)Typical?mdeical?applicationssb?MPa?%sload?MPasunloadMPaActive?Af?CIngot?Asby?DSC?As??Csb?MPaNitinol-D?regular55.96>?1240>?10>?482>138+10?~?+18-30?~?-10>?1378Guide?wires,?stents,?shapeset?parts,?stone?retrieval?baskets,?orthodontic?files,?etcNitinol-D?High?fatiqute55.96>?1240>?10>?448>103+14?~?+22-10?~?+10>?1378For?device?require?high?cycling?performance?at?37?CNitinol-S?regular55.76>?1000>?10>?400Depand?on?Af+15?~?+28-10?~?+10>?1150For?device?with?high?fatigue?file?such?as?implants,?stents?&?Shapeset?partsNiTiCr55.8Ni-0.2~0.3Cr>?1447>?10>?551>?2410?~?+18-?45?~?-?15>?1722Non-medical?applications?for?higher?upper?plateau?stress?at?ambient?temperatures,?such?as?antenna,?eyeglass?frame?etc.RemarkAll?Mechanical?Testing?Conducted?at?22?C?+/-?2?C;?Permanent?Set??10%Elongation?at?break?>?4%?Application??Nitinol wires?Applications:?There?are?four?commonly?used?types?of?applications?for?nitinol.Free?Recovery:?nitinol?is?deformed?at?a?low?temperature,?and?heated?to?recover?its?original?shape.Constrained?Recovery:?The?same,?except?that?recovery?is?rigidly?prevented,?and?thus?a?stress?is?generated.Work?Production:?Here?the?alloy?is?allowed?to?recover,?but?to?do?so?it?must?act?against?a?force?(thus?doing?work).Superelasticity:?As?discussed?above,?here?the?nitinol?acts?as?a?super?spring.?Other applicationsNitinol?is?also?popular?in?extremely?resilient?glasses?frames.?It?is?also?used?in?some?mechanical?watch?springs.It?can?be?used?as?a?temperature?control?system;?as?it?changes?shape,?it?can?activate?a?switch?or?a?variable?resistor?to?control?the?temperature.It?is?used?in?cell-phone technology as a retractable antenna, or microphone boom, due to its highly flexible and mechanical memory nature. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?It?is?used?in?some?novelty?products,?such?as?self-bending spoons which can be used by amateur and stage magicians to demonstrate " psychic" powers or as a practical joke, as the spoon will bend itself when used to stir tea, coffe, or any other warm liquid. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??It?can?also?be?used?as?wires?which?are?used?to?locate?and?mark?breast?tumours?so?that?following?surgery?can?be?more?exact.Due?to?the?fact?it?can?change?shapes?it?is?also?used?as?a?golf?club?insert.Nickel?titanium?can?be?used?to?make?the?underwires?for?underwire?bras.EST memory wire?available in spools,in cut straight lengths or ?in a variety of size/diameters.For?more questions, please forward your requirements to ?sales@bjdsti.com.
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