WO2014172442A4 - Laser assisted interstitial alloying for improved wear resistance - Google Patents
Laser assisted interstitial alloying for improved wear resistance Download PDFInfo
- Publication number
- WO2014172442A4 WO2014172442A4 PCT/US2014/034334 US2014034334W WO2014172442A4 WO 2014172442 A4 WO2014172442 A4 WO 2014172442A4 US 2014034334 W US2014034334 W US 2014034334W WO 2014172442 A4 WO2014172442 A4 WO 2014172442A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- metallic substrate
- interstitial element
- laser beam
- original
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/72—Temporary coatings or embedding materials applied before or during heat treatment during chemical change of surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
Abstract
Claims
STATEMENT UNDER ARTICLE 19(1)
Claims 1 is amended to recite that the step of directing a laser beam onto a localized area of the metallic substrate coated with the interstitial element locally raises a temperature of the metallic substrate to a temperature that is below a melting point temperature of the metallic substrate. Support for currently amended claim 1 can be found at least in paragraph [0019]-[0022] of the subject application as filed. Accordingly, no new matter is added.
Item V of Written Opinion:
Relative to the references cited in the International Search Report and Written Opinion, none of these references, either individually or in combination with one another, discloses, teaches, or even suggests all of the claimed features of amended independent claim 1. For example, relative to independent claim 1, U.S. Pat. No. 4,015,100 to Gnanamuthu et al. ("Gnanamuthu") fails to disclose, teach, or even suggest a method whereby a metallic substrate is not ultimately melted by virtue of its temperature being above a melting point temperature of the metallic substrate. This is perhaps not surprising, considering the method of Gnanamuthu specifically requires melting of its metallic substrate (see column 4, lines 2- 6) to induce forced mixing with the molten substrate. Melting of the substrate as in Gnanamuthu causes undesirable distortion of part geometry and little control of resulting alloys. However, the subject invention, by virtue of the metallic substrate having a temperature that is below a melting point temperature, diffusion of interstitial solutions is achieved. For at least this reason, the Applicants submit that amended claim 1 as well as claims 2-14, which depend from claim 1, are novel and involve an inventive step.
The Applicants submit that the claims are all linked to form a single general inventive concept, are clear and unambiguous, and are both novel and involve an inventive step. Further and favorable reconsideration of the subject application is hereby requested.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480021623.5A CN105324182B (en) | 2013-04-18 | 2014-04-16 | Laser assisted interstitial alloy for improve wearability |
EP14784899.8A EP2986397A4 (en) | 2013-04-18 | 2014-04-16 | Laser assisted interstitial alloying for improved wear resistance |
US14/785,134 US20160083850A1 (en) | 2013-04-18 | 2014-04-16 | Laser assisted interstitial alloying for improved wear resistance |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361813297P | 2013-04-18 | 2013-04-18 | |
US61/813,297 | 2013-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014172442A1 WO2014172442A1 (en) | 2014-10-23 |
WO2014172442A4 true WO2014172442A4 (en) | 2014-11-27 |
Family
ID=51731819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2014/034334 WO2014172442A1 (en) | 2013-04-18 | 2014-04-16 | Laser assisted interstitial alloying for improved wear resistance |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160083850A1 (en) |
EP (1) | EP2986397A4 (en) |
CN (1) | CN105324182B (en) |
WO (1) | WO2014172442A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017150908A1 (en) * | 2016-03-02 | 2017-09-08 | 부산대학교 산학협력단 | Method for forming coating film having high heat resistance, high hardness and abrasion resistance, coating film having high heat resistance, high hardness and abrasion resistance, and cutting tool comprising same |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3577096A (en) * | 1967-11-01 | 1971-05-04 | Hughes Aircraft Co | Transverse discharge gas laser |
US4015100A (en) * | 1974-01-07 | 1977-03-29 | Avco Everett Research Laboratory, Inc. | Surface modification |
IT1172891B (en) * | 1978-07-04 | 1987-06-18 | Fiat Spa | PROCEDURE FOR COATING A METALLIC SURFACE WITH ANTI-WEAR MATERIAL |
US4495255A (en) * | 1980-10-30 | 1985-01-22 | At&T Technologies, Inc. | Laser surface alloying |
DE3224810A1 (en) * | 1982-07-02 | 1984-01-05 | Siemens AG, 1000 Berlin und 8000 München | METHOD FOR PRODUCING HARD, WEAR-RESISTANT EDGE LAYERS ON A METAL MATERIAL |
SU1509420A1 (en) * | 1987-09-17 | 1989-09-23 | Московский Автомобильно-Дорожный Институт | Method of low-temperature nitriding of steels |
RO108006B1 (en) * | 1991-02-28 | 1994-01-31 | Inst Cercetari Stiintifice | Azote difusion process, for steel parts |
JPH0941125A (en) | 1995-07-28 | 1997-02-10 | Hitachi Seiki Co Ltd | Method for hardening metallic surface |
WO2001056723A1 (en) * | 2000-02-04 | 2001-08-09 | Disa Industries A/S | Method and apparatus for producing casting moulds or mould parts |
ATE461777T1 (en) * | 2002-08-28 | 2010-04-15 | P O M Group | MULTI-LAYER DMD PROCESS WITH A SYSTEM INDEPENDENT OF THE GEOMETRY OF THE WORKPIECE FOR CONTROLLING, IN REAL TIME AND IN A CLOSED LOOP, THE WELDING POOL TEMPERATURE |
US8629368B2 (en) * | 2006-01-30 | 2014-01-14 | Dm3D Technology, Llc | High-speed, ultra precision manufacturing station that combines direct metal deposition and EDM |
CA2582312C (en) * | 2006-05-05 | 2014-05-13 | Sulzer Metco Ag | A method for the manufacture of a coating |
JP5101838B2 (en) * | 2006-05-16 | 2012-12-19 | ヤンマー株式会社 | Surface hardening method for metal members |
US20090120924A1 (en) * | 2007-11-08 | 2009-05-14 | Stephen Moffatt | Pulse train annealing method and apparatus |
US20100221448A1 (en) * | 2009-02-27 | 2010-09-02 | Honeywell International Inc. | Method for depositing a wear coating on a high strength substrate with an energy beam |
CN101792905A (en) * | 2010-03-02 | 2010-08-04 | 武汉华材表面科技有限公司 | Method for performing longitude and latitude alloying strengthening process on metal surface layer by utilizing plasma |
-
2014
- 2014-04-16 WO PCT/US2014/034334 patent/WO2014172442A1/en active Application Filing
- 2014-04-16 US US14/785,134 patent/US20160083850A1/en not_active Abandoned
- 2014-04-16 CN CN201480021623.5A patent/CN105324182B/en active Active
- 2014-04-16 EP EP14784899.8A patent/EP2986397A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN105324182B (en) | 2018-03-02 |
CN105324182A (en) | 2016-02-10 |
EP2986397A4 (en) | 2016-12-21 |
US20160083850A1 (en) | 2016-03-24 |
WO2014172442A1 (en) | 2014-10-23 |
EP2986397A1 (en) | 2016-02-24 |
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