An Fe-base in-situ composite alloy, castable into 3-dimensional bulk objects, where the alloy includes a matrix having one or both of a nano-crystalline phase and an amorphous phase, and a face-centered cubic crystalline phase. The alloy has an Fe content more than 60 atomic percent.
대표청구항▼
What is claimed is: 1. An Fe-base in-situ composite alloy, castable into 3-dimensional bulk objects, wherein the alloy when cast comprises: a matrix comprising one or both of a nano-crystalline phase and an amorphous phase; a face-centered cubic crystalline phase; and an Fe content more than 60 ato
What is claimed is: 1. An Fe-base in-situ composite alloy, castable into 3-dimensional bulk objects, wherein the alloy when cast comprises: a matrix comprising one or both of a nano-crystalline phase and an amorphous phase; a face-centered cubic crystalline phase; and an Fe content more than 60 atomic percent; wherein the face-centered cubic crystalline phase is in the form of dendrites. 2. The alloy as in claim 1, wherein the matrix is substantially amorphous phase. 3. The alloy as in claim 1, wherein the matrix is substantially nano-crystalline phase. 4. The alloy as in claim 1, wherein the volume percentage of the amorphous phase is in the range of from 5% up to 70%. 5. The alloy as in claim 1, wherein the volume percentage of the matrix is in the range of from 20% up to 60%. 6. The alloy as in claim 1, wherein the alloy is substantially formed by Fe, (Mn, Co, Ni, Cu) (C, Si, B, P, Al), wherein the Fe content is from 60 to 75 atomic percentage, the total of (Mn, Ca, Ni, Cu) is in the range of from 5 to 25 atomic percentage, and the total of (C, Si, B, P, Al) is in the range of from 8 to 20 atomic percentage. 7. The alloy as in claim 6, wherein the content of (C, Si, B, P, Al) is higher in the matrix than in the face-centered cubic crystalline phase. 8. The alloy as in claim 6, wherein the alloy is substantially formed by Fe (Mn, Co, Ni, Cu) (C, Si), wherein the Fe content is from 60 to 75 atomic percentage, the total of (Mn, Co, Ni, Cu) is in the range of from 5 to 25 atomic percentage, and the total of (C, Si) is in the range of from 8 to 20 atomic percentage, and the Si to C ratio is less than 0.5. 9. The alloy as in claim 6, wherein the alloy is substantially formed by Fe (Mn, Co, Ni, Cu) (C), wherein the Fe content is from 60 to 75 atomic percentage, the total of(Mn, Co, Ni, Cu) is in the range of from 5 to 25 atomic percentage, and the content of C, is in the range of from 8 to 20 atomic percentage. 10. The alloy as in claim 9, wherein the content of C is higher in the matrix than in the face-centered cubic crystalline phase. 11. The alloy as in claim 6, further comprising a total of (Cr, Mo) content up to 8 atomic percent. 12. The alloy as in claim 6, further comprising a Y content up to 3 atomic percent. 13. The alloy as in claim 1, further comprising a Cr content up to 8 atomic percent. 14. The alloy as in claim 1, further comprising a Y content up to 3 atomic percent. 15. The in-situ composite alloy as in claim 1, wherein the particle size of the face-centered cubic crystalline phase is in the range of 3 to 30 microns. 16. An article formed of an Fe-base in-situ composite alloy comprising: a matrix comprising one or both of a nano-crystalline phase and an amorphous phase; a face-centered cubic crystalline phase; an Fe content in the range of 65% to 70%; a three dimensional shape having a measurement of at least 0.5 mm in each dimension; and a flow-stress level of at least about 2.0 GPa; wherein the face-centered cubic crystalline phase is in the form of dendrites. 17. The article formed from the in-situ composite alloy as in claim 16, wherein the particle size of the face-centered cubic crystalline phase is in the range of 1 to 100 microns.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (56)
Keshavan Madapusi K. (Indianapolis IN) Weatherly Merle H. (Indianapolis IN), Abrasion resistant coating composition.
Tenhover Michael A. (Solon OH) Henderson Richard S. (Solon OH) Grasselli Robert K. (Aurora OH), Amorphous metal alloy compositions and synthesis of same by solid state incorporation/reduction reactions.
Peker Atakan (Pasadena CA) Johnson William L. (Pasadena CA) Schafer Robert (Worthington OH) Scruggs David M. (Oceanside CA), Amorphous metal/diamond composite material.
Peker Atakan (Pasadena CA) Johnson William L. (Pasadena CA) Schafer Robert (Worthington OH) Scruggs David M. (Oceanside CA), Amorphous metal/reinforcement composite material.
Kaiser John J. (Whitehall PA) Zurecki Zbigniew (Macungie PA) Berger Kerry R. (Lehighton PA) Swan Robert B. (Bath PA) Hayduk ; Jr. Edward A. (Blandon PA), Electric arc spray coating with cored wire.
Bose Debasis (Randolph NJ) Datta Amitava (Mendham NJ) DeCristofaro Nicholas J. (Catham NJ) Henschel Claude (Redwood City CA), Homogeneous, ductile iron based hardfacing foils.
Kuroki Hironori (Fukuoka JPX) Honda Tsuguo (Fukuoka JPX), Low alloy or carbon steel roll with a built-up weld layer of an iron alloy containing carbon, chromium, molybdenum and c.
Tenkula Jaakko (Raahe FIX) Hellman Bjarne (Raahe FIX) Huusko Juha (Oulu FIX), Method of arc spraing and filler wire for producing a coating which is highly resistant to mechanical and/or chemical we.
Dausinger Friedrich (Steinenhausenstr. 18 D7000 Stuttgart DEX) Mller Werner (Hermann-Essig-Str. 106 D-7141 Schwieberdingen DEX) von Roda Eckart (Riegelckerstr. 1 D-7250 Leonberg DEX) Reibetanz Wilber, Method of embedding hard cutting particles in a surface of a cutting edge of cutting tools, particularly saw blades, dri.
Kim Do Hyang,KRX ; Kim Won Tae,KRX ; Yi Sheng Hoon,KRX ; Lee Jin Kyu,KRX ; Lee Min Ha,KRX ; Park Tae Gyu,KRX ; Park Ju Gun,KRX ; Lim Hyun Kyu,KRX ; Jang Jong Shim,KRX, Nickel-based amorphous alloy compositions.
Ewe Henning H. (1B Mendelssohnstrasse D-33 Braunschweig DT) Justi Eduard W. (1B Mendelssohnstrasse D-33 Braunschweig DT), Porous cobalt electrodes for alkaline accumulators and hybrid cell therewith and air electrode.
Schulz Robert (Brossard CAX) Huot Jean-Yves (St-Hubert CAX) Trudeau Michel (Longueuil CAX), Process for making nanocrystalline metallic alloy powders by high energy mechanical alloying.
Prest, Christopher D.; Poole, Joseph C.; Stevick, Joseph; Waniuk, Theodore A.; Pham, Quoc Tran, Amorphous alloy roll forming of feedstock or component part.
Branagan, Daniel James; Walleser, Jason K.; Meacham, Brian E.; Sergueeva, Alla V.; Parsons, Craig S., Class of warm forming advanced high strength steel.
Prest, Christopher D.; Scott, Matthew S.; Zadesky, Stephen P.; Stratton, Dermot J.; Poole, Joseph C.; Heley, Richard W., Insert casting or tack welding of machinable metal in bulk amorphous alloy part and post machining the machinable metal insert.
Prest, Christopher D.; Scott, Matthew S.; Zadesky, Stephen P.; Stratton, Dermot J.; Poole, Joseph C., Insert molding of bulk amorphous alloy into open cell foam.
Prest, Christopher D.; Scott, Matthew S.; Zadesky, Stephen P.; Heley, Richard W.; Stratton, Dermot J.; Poole, Joseph C., Methods and systems for forming a glass insert in an amorphous metal alloy bezel.
Waniuk, Theodore A.; Pham, Quoc Tran; Stevick, Joseph; O'Keeffe, Sean Timothy; Prest, Christopher D.; Poole, Joseph C., Methods and systems for skull trapping.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.