EP2090383A8 - Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels - Google Patents

Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels Download PDF

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Publication number
EP2090383A8
EP2090383A8 EP09002103A EP09002103A EP2090383A8 EP 2090383 A8 EP2090383 A8 EP 2090383A8 EP 09002103 A EP09002103 A EP 09002103A EP 09002103 A EP09002103 A EP 09002103A EP 2090383 A8 EP2090383 A8 EP 2090383A8
Authority
EP
European Patent Office
Prior art keywords
thermo
region
mechanically
tool
methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09002103A
Other languages
German (de)
French (fr)
Other versions
EP2090383B1 (en
EP2090383A1 (en
Inventor
Christon L. Shepard
David L. Turpin
Ronald R. Laparre
Alan L. Shaffer
Shrinidhi Chandrasekharan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dayton Progress Corp
Original Assignee
Dayton Progress Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dayton Progress Corp filed Critical Dayton Progress Corp
Publication of EP2090383A1 publication Critical patent/EP2090383A1/en
Publication of EP2090383A8 publication Critical patent/EP2090383A8/en
Application granted granted Critical
Publication of EP2090383B1 publication Critical patent/EP2090383B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • 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
    • C21D2221/00—Treating localised areas of an article
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/01—End parts (e.g. leading, trailing end)
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/02—Edge parts
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Forging (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Powder Metallurgy (AREA)

Abstract

A method of thermo-mechanically processing a preform (64) composed of tool steel and a tool (18) to modify a workpiece (28). The preform (64) has a region containing austenite. The method comprises establishing the region at a process temperature between a martensitic start temperature and a stable austenitic temperature. While at the process temperature, the region is deformed to change an outer dimension and to modify the microstructure to a depth of 1 millimeter or more. The tool (18) comprises a member (20) composed of tool steel. The member (20) includes a first region (30) that extends from the outer surface (22) to a depth of greater than 1 millimeter and a second region (32). The first region (30) includes a plurality of grains having an average misorientation angle greater than about 34°, an average grain size that is at least 10% smaller than the second region (30), and has a different grain orientation than the second region (30).
EP09002103.1A 2008-02-15 2009-02-16 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels Not-in-force EP2090383B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2923608P 2008-02-15 2008-02-15

Publications (3)

Publication Number Publication Date
EP2090383A1 EP2090383A1 (en) 2009-08-19
EP2090383A8 true EP2090383A8 (en) 2009-10-14
EP2090383B1 EP2090383B1 (en) 2015-11-04

Family

ID=40626593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09002103.1A Not-in-force EP2090383B1 (en) 2008-02-15 2009-02-16 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels

Country Status (8)

Country Link
EP (1) EP2090383B1 (en)
JP (2) JP6112752B2 (en)
CA (1) CA2654368C (en)
ES (1) ES2554608T3 (en)
MX (2) MX2009001768A (en)
PT (1) PT2090383E (en)
TW (1) TWI479025B (en)
WO (1) WO2009102848A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2483120C1 (en) * 2012-05-22 2013-05-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" Method of hardening built-up high-speed steel
RU2627837C1 (en) * 2016-02-24 2017-08-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный технический университет" Method for manufacturing weld bimetallic cutting tool
KR101781816B1 (en) * 2017-01-12 2017-09-26 박명석 Composite surface treatment method for improving lifetime of die casting mold
US10682725B2 (en) * 2017-11-30 2020-06-16 The Boeing Company Microstructure refinement methods by mechanical work for additive manufactured materials
CN107952965B (en) * 2017-12-08 2020-09-29 有研工程技术研究院有限公司 Preparation method of plum blossom inner hexagonal punch needle and needle head
JP7185211B2 (en) * 2018-02-07 2022-12-07 住友重機械ハイマテックス株式会社 Tool material manufacturing method and tool material
WO2019180492A1 (en) * 2018-03-23 2019-09-26 Arcelormittal Forged part of bainitic steel and a method of manufacturing thereof
CN109632550B (en) * 2018-12-24 2022-01-14 长安大学 Abrasion performance contrast test device and test method
CN114247884A (en) * 2020-09-22 2022-03-29 苹果公司 Surface treatment of metal parts
CN112705613B (en) * 2021-02-26 2023-03-31 惠州市诺利星电子科技有限公司 Punching device for electronic product production

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340102A (en) * 1962-05-15 1967-09-05 Manlabs Inc Metal process and article
US3413166A (en) * 1965-10-15 1968-11-26 Atomic Energy Commission Usa Fine grained steel and process for preparation thereof
US3903761A (en) 1971-09-28 1975-09-09 Phillips Screw Co Process for the manufacture of driver bits
US4170497A (en) * 1977-08-24 1979-10-09 The Regents Of The University Of California High strength, tough alloy steel
US4318733A (en) * 1979-11-19 1982-03-09 Marko Materials, Inc. Tool steels which contain boron and have been processed using a rapid solidification process and method
SE452124B (en) * 1984-06-19 1987-11-16 Kloster Speedsteel Ab SUBJECT TO COMPLETE STATE TOOL MATERIAL AND WELL MANUFACTURED
GB8725668D0 (en) * 1987-11-03 1987-12-09 Reed Tool Co Manufacture of rotary drill bits
US6348752B1 (en) * 1992-04-06 2002-02-19 General Electric Company Integral motor and control
JP3716454B2 (en) * 1995-05-01 2005-11-16 大同特殊鋼株式会社 Manufacturing method of high strength and toughness mold by warm hobbing
JP3563587B2 (en) * 1998-03-10 2004-09-08 新日本製鐵株式会社 Hot width reduction press tool and manufacturing method thereof
JPH11254077A (en) * 1998-03-12 1999-09-21 Sanyo Special Steel Co Ltd Manufacture of die of high strength and high toughness
DE19921286A1 (en) * 1999-05-07 2000-11-09 Sms Demag Ag Heat treatment process for the production of surface-hardened long and flat products from unalloyed or low-alloy steels
JP2005314756A (en) * 2004-04-28 2005-11-10 Jfe Steel Kk Component for machine structure
SE0402760L (en) * 2004-11-10 2006-05-09 Sandvik Intellectual Property Cutting tools for metalworking and method of manufacturing cutting tools
EP1985390B1 (en) * 2007-03-23 2011-05-11 Dayton Progress Corporation Tools with a thermo-mechanically modified working region and methods of forming such tools

Also Published As

Publication number Publication date
CA2654368C (en) 2017-10-03
JP6282545B2 (en) 2018-02-21
EP2090383B1 (en) 2015-11-04
TWI479025B (en) 2015-04-01
MX2009001768A (en) 2009-08-24
JP6112752B2 (en) 2017-04-12
MX368493B (en) 2019-10-04
PT2090383E (en) 2016-01-26
WO2009102848A1 (en) 2009-08-20
JP2009191364A (en) 2009-08-27
TW200944596A (en) 2009-11-01
CA2654368A1 (en) 2009-08-15
ES2554608T3 (en) 2015-12-22
EP2090383A1 (en) 2009-08-19
JP2014210979A (en) 2014-11-13

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