DE3508982A1 - Steel matrix/sintered material composite - Google Patents

Steel matrix/sintered material composite

Info

Publication number
DE3508982A1
DE3508982A1 DE19853508982 DE3508982A DE3508982A1 DE 3508982 A1 DE3508982 A1 DE 3508982A1 DE 19853508982 DE19853508982 DE 19853508982 DE 3508982 A DE3508982 A DE 3508982A DE 3508982 A1 DE3508982 A1 DE 3508982A1
Authority
DE
Germany
Prior art keywords
steel matrix
weight
cold work
composite material
material according
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
DE19853508982
Other languages
German (de)
Other versions
DE3508982C2 (en
Inventor
Helmut Dipl.-Ing. 8000 München Seilstorfer
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.)
Seilstorfer & Co Metallur GmbH
Original Assignee
Seilstorfer & Co Metallur GmbH
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 Seilstorfer & Co Metallur GmbH filed Critical Seilstorfer & Co Metallur GmbH
Priority to DE19853508982 priority Critical patent/DE3508982A1/en
Publication of DE3508982A1 publication Critical patent/DE3508982A1/en
Application granted granted Critical
Publication of DE3508982C2 publication Critical patent/DE3508982C2/de
Granted legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0292—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with more than 5% preformed carbides, nitrides or borides

Abstract

The invention relates to a steel matrix/sintered material composite formed by hot-isostatic pressing of a powder mixture of 60 to 90% by volume of a hardenable cold-working steel matrix of the composition 2.4 to 3.5% of C, 0.3 to 1.5% by weight of Si, 0.3 to 1.5% by weight of Mn, 5 to 20% by weight of Cr, 0 to 12% by weight of V, 0 to 5% by weight of Mo, 0 to 5% by weight of W and 0 to 0.5% by weight B, the remainder being iron and unavoidable impurities, and 40 to 10% by volume of one or a mixture of the sintered materials TiC, Al2O3, B4C and VC.

Description

Beschreibung description

Die Erfindung betrifft einen Stahlmatrix-Hartstoff-Verbundwerkstoff, der durch heißisostatisches Pressen eines Pulvergemisches aus Kaltarbeitsstahlmatrix und Hartstoffphase gewonnen ist. The invention relates to a steel matrix hard material composite, by hot isostatic pressing of a powder mixture made from a cold work steel matrix and hard material phase is obtained.

Ein solcher Verbundwerkstoff ist in spezieller Zusammensetzung aus der DE-OS 33 08 409 bekannt. Such a composite material is made in a special composition the DE-OS 33 08 409 known.

Aufgabe der Erfindung ist es, einen Verbundwerkstoff anzugeben, der für solche Kaltarbeitsanwendungen wie abrasiven Verschleiß besonders geeignet ist und sich im Hinblick auf diese Anwendung durch höchste Härte bei immer noch guter Zähigkeit auszeichnet. The object of the invention is to provide a composite material which is particularly suitable for such cold work applications as abrasive wear and with regard to this application, the highest level of hardness is still good Toughness.

Diese Aufgabe wird erfindungsgemäß gelöst durch einen Stahlmatrix-Hartstoff-Verbundwerkstoff, wie er in Anspruch 1 angegeben ist. Durch die so erreichten hohen Matrixhärten werden Hartstoff-Auswaschungen beim abrasiven Einsatz des Verbundwerkstoffes vermieden, wobei die durch das heißisostatische Pressen bedingte Porenfreiheit für eine immer noch hohe Zähigkeit des Verbundwerkstoffes sorgt. According to the invention, this object is achieved by a steel matrix-hard material composite, as stated in claim 1. Due to the high matrix hardness achieved in this way Avoids hard material washout during abrasive use of the composite material, the freedom from pores caused by the hot isostatic pressing for ever still ensures high toughness of the composite material.

Vorzugsweise enthält die Kaltarbeitsstahlmatrix 3 bis 3,5 Gew.-% C. The cold work steel matrix preferably contains 3 to 3.5% by weight C.

Vorzugsweise enthält die Kaltarbeitsstahlmatrix die Komponenten Vanadin, Molybdän, Wolfram, Bor einzeln oder in einer Kombination in den in den Ansprüchen 3 bis 7 angegebenen Mengen. The cold work steel matrix preferably contains the components vanadium, Molybdenum, tungsten, boron individually or in a combination in the claims 3 to 7 specified amounts.

Eine besonders bevorzugte Zusammensetzung der Kaltarbeitsstahlmatrix ist Gegenstand von Anspruch 8. A particularly preferred composition of the cold work tool steel matrix is the subject of claim 8.

Die Parameter des heißisostatischen Pressens sind typischer- und vorzugsweise 11500C bis 13500C, 1000 bar und 2 bis 3 h. Das Pulver der Stahlmatrix hat vorzugsweise nur Anteile kleiner 100 Mikrometer aus vorlegiertem kugeligem Pulver. Das Pulver der Hartstoffphase hat vorzugsweise eine Kugelgröße zwischen 5 und 10 Mikrometer. The parameters of hot isostatic pressing are more typical and preferably 11500C to 13500C, 1000 bar and 2 to 3 hours. The powder of the steel matrix preferably only has proportions of less than 100 micrometers of pre-alloyed spherical powder. The powder of the hard material phase preferably has a sphere size between 5 and 10 Micrometer.

Beispiel: Bei einem Kaltarbeitsstahl-Hartstoff-Verbundwerkstoff mit 70 Vol.-a Kaltarbeitsstahlmatrix der Zusammensetzung (in Gew.-%) 3,2 C, 0,4 Si, 0,35 Mn, 13 Cr, 5 V, 1,2 Mo, 0,9 W, Rest Eisen und unvermeidbare Verunreinigungen, und 30 Vor. % TiC wurde eine Biegebruchfestigkeit von 1000 bis 1200 MPa bei einer Härte von 68 bis 70 HRC erreicht. Das hierbei verwendete Matrixpulver war kleiner 100 am. Die heißisostatische Verdichtung erfolgte bei 13500C, 3 h, 1000 bar. Die nachfolgende Wärmebehandlung bestand in einem Härten bei 10250C und einem zweimaligen Anlassen bei 51000, 2 h. Example: For a cold work tool steel-hard material composite with 70 Vol.-a cold work steel matrix of the composition (in% by weight) 3.2 C, 0.4 Si, 0.35 Mn, 13 Cr, 5 V, 1.2 Mo, 0.9 W, the balance iron and unavoidable impurities, and 30 forward. % TiC became a flexural strength of 1000 to 1200 MPa with a hardness Reached from 68 to 70 HRC. The matrix powder used here was less than 100 am. The hot isostatic compression was carried out at 13500C, 3 h, 1000 bar. The following Heat treatment consisted of hardening at 10250C and tempering twice at 51000, 2 h.

Claims (8)

Stahlmatrix-Hartstoff-Verbundwerkstoff Patentansprüche 1. Stahlmatrix-artstoff-Verbundwerkstoff gebildet durch heißisostatisches Pressen eines Pulvergemisches aus 60 bis 90 Vol.-% härthare Kaltarbeitsstahlmatrix der Zusammensetzung (in Gew.-%) 2,4 - 3,5 C 0,3 - 1,5 Si 0,3 - 1 , 5 Mn 5 - 20 Cr 0 - 12 V 0 - 5 Mo 0 - 5 W 0 - 0,5 B Rest Eisen und unvermeidbare Verunreinigungen, und 40 bis 10 Vol.-% eines oder eines GemisChes der Hartstoffe TiC, Al203, B4C und VC. Steel matrix-hard material composite patent claims 1. Steel matrix-hard material composite material formed by hot isostatic pressing of a powder mixture of 60 to 90% by volume Hardened cold work steel matrix of the composition (in% by weight) 2.4-3.5 C 0.3 - 1.5 Si 0.3 - 1.5 Mn 5 - 20 Cr 0 - 12 V 0 - 5 Mo 0 - 5 W. 0 - 0.5 B remainder iron and unavoidable impurities, and 40 to 10% by volume of one or a mixture of hard materials TiC, Al203, B4C and VC. 2. Verbundwerkstoff nach Anspruch 1, dessen Kaltarbeitsstahlmatrix 3 bis 3,5 Gew.-t C enthält. 2. Composite material according to claim 1, its cold work steel matrix 3 to 3.5 wt. T of C contains. 3. Verbundwerkstoff nach mindestens einem der vorstehenden Ansprüche, dessen Kaltarbeitsstahlmatrix 1,5 bis 12 Gew.-% V enthält. 3. Composite material according to at least one of the preceding claims, the cold work steel matrix of which contains 1.5 to 12 wt. 4. Verbundwerkstoff nach mindestens einem der vorstehendem Ansprüche, dessen Kaltarbeitsstahlmatrix 4,5 bis 5,5 Gew.-% V enthält. 4. Composite material according to at least one of the preceding claims, the cold work steel matrix of which contains 4.5 to 5.5 wt. 5. Verbundwerkstoff nach mindestens einem der vorstehenden Ansprüche, dessen Kaltarbeitsstahlmatrix 1 bis 5 Gew.-% Mo enthält. 5. Composite material according to at least one of the preceding claims, the cold work steel matrix of which contains 1 to 5% by weight of Mo. 6. Verbundwerkstoff nach mindestens einem der vorstehenden Ansprüche, dessen Kaltarbeitsstahlmatrix 1 bis 5 Gew.- enthält. 6. Composite material according to at least one of the preceding claims, the cold work steel matrix of which contains 1 to 5 wt. 7. Verbundwerkstoff nach mindestens einem der vorstehenden Ansprüche, dessen Kaltarbeitsstahlmatrix 0,1 bis 0,5 Gew.-% D enthält. 7. Composite material according to at least one of the preceding claims, the cold work steel matrix of which contains 0.1 to 0.5% by weight D. 8. Verbundwerkstoff nach Anspruch 1, dessen Kaltarbeitsstahlmatrix aus (in Gew -%) 3,1 - 3,3 C 0,2 - 0,5 Si 0,4 - 0,7 Mn 11 - 1 4 Cr 4 - 6 V 1 - 1 , 5 Mo 0,5 - 1,0 W Rest Eisen und unvermeidbaren Verunreinigungen besteht. 8. The composite material according to claim 1, its cold work steel matrix of (in% by weight) 3.1-3.3 C 0.2-0.5 Si 0.4-0.7 Mn 11-1 4 Cr 4th - 6 V 1 - 1, 5 Mo 0.5 - 1.0 W the remainder consists of iron and unavoidable impurities.
DE19853508982 1985-03-13 1985-03-13 Steel matrix/sintered material composite Granted DE3508982A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853508982 DE3508982A1 (en) 1985-03-13 1985-03-13 Steel matrix/sintered material composite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853508982 DE3508982A1 (en) 1985-03-13 1985-03-13 Steel matrix/sintered material composite

Publications (2)

Publication Number Publication Date
DE3508982A1 true DE3508982A1 (en) 1986-09-18
DE3508982C2 DE3508982C2 (en) 1990-03-08

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ID=6265085

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853508982 Granted DE3508982A1 (en) 1985-03-13 1985-03-13 Steel matrix/sintered material composite

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DE (1) DE3508982A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5290507A (en) * 1991-02-19 1994-03-01 Runkle Joseph C Method for making tool steel with high thermal fatigue resistance
EP0773305A1 (en) * 1995-11-08 1997-05-14 Crucible Materials Corporation Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
US5900560A (en) * 1995-11-08 1999-05-04 Crucible Materials Corporation Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and method for producing the same
DE102005020081A1 (en) * 2005-04-29 2006-11-09 Köppern Entwicklungs-GmbH Powder metallurgically produced, wear-resistant material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018232619A1 (en) * 2017-06-21 2018-12-27 Höganäs Ab Iron based alloy suitable for providing a hard and wear resistant coating on a substrate, article having a hard and wear resistant coating, and method for its manufacture

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US2311878A (en) * 1941-04-28 1943-02-23 Hughes Tool Co Method of attaching high chromium ferrous alloys to other metals
US2752666A (en) * 1954-07-12 1956-07-03 Sintercast Corp America Heat resistant titanium carbide containing body and method of making same
DE1295856B (en) * 1962-04-26 1969-05-22 Max Planck Inst Eisenforschung Process for the production of objects of high hardness and wear resistance
US3591349A (en) * 1969-08-27 1971-07-06 Int Nickel Co High carbon tool steels by powder metallurgy
DE1956849A1 (en) * 1969-10-31 1971-07-22 Boehler & Co Ag Geb Process for the production of materials with the highest wear resistance and good toughness properties
GB1313981A (en) * 1970-08-28 1973-04-18 Hoeganaes Ab High alloy steel powders and their consolidation into homogeneous tool steel
US3746518A (en) * 1965-02-26 1973-07-17 Crucible Inc Alloy composition and process
DE2324071A1 (en) * 1972-05-18 1973-12-06 Stora Kopparbergs Bergslags Ab COLD MACHINING STEEL, ESPECIALLY FOR CHIPPING MACHINING
DE2937724A1 (en) * 1978-09-20 1980-04-03 Crucible Inc POWDER METALLURGICAL STEEL PRODUCT WITH A HIGH CONTENT OF VANADIUM CARBIDE
DE3012301C2 (en) * 1980-03-29 1981-12-17 Thyssen Edelstahlwerke AG, 4000 Düsseldorf Process for the powder-metallurgical production of dense sintered bodies
DE3128236C2 (en) * 1981-04-09 1983-12-22 Thyssen Edelstahlwerke AG, 4000 Düsseldorf Self-lubricating hard alloy
US4469514A (en) * 1965-02-26 1984-09-04 Crucible, Inc. Sintered high speed tool steel alloy composition
DE3309409A1 (en) * 1983-03-16 1984-09-27 IWC International Watch Co AG, Schaffhausen Fastening device
DE3507332C2 (en) * 1985-03-01 1990-03-08 Seilstorfer Gmbh & Co Metallurgische Verfahrenstechnik Kg, 8092 Haag, De

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2311878A (en) * 1941-04-28 1943-02-23 Hughes Tool Co Method of attaching high chromium ferrous alloys to other metals
US2752666A (en) * 1954-07-12 1956-07-03 Sintercast Corp America Heat resistant titanium carbide containing body and method of making same
DE1295856B (en) * 1962-04-26 1969-05-22 Max Planck Inst Eisenforschung Process for the production of objects of high hardness and wear resistance
US3746518A (en) * 1965-02-26 1973-07-17 Crucible Inc Alloy composition and process
US4469514A (en) * 1965-02-26 1984-09-04 Crucible, Inc. Sintered high speed tool steel alloy composition
US3591349A (en) * 1969-08-27 1971-07-06 Int Nickel Co High carbon tool steels by powder metallurgy
DE1956849A1 (en) * 1969-10-31 1971-07-22 Boehler & Co Ag Geb Process for the production of materials with the highest wear resistance and good toughness properties
GB1313981A (en) * 1970-08-28 1973-04-18 Hoeganaes Ab High alloy steel powders and their consolidation into homogeneous tool steel
DE2324071A1 (en) * 1972-05-18 1973-12-06 Stora Kopparbergs Bergslags Ab COLD MACHINING STEEL, ESPECIALLY FOR CHIPPING MACHINING
DE2937724A1 (en) * 1978-09-20 1980-04-03 Crucible Inc POWDER METALLURGICAL STEEL PRODUCT WITH A HIGH CONTENT OF VANADIUM CARBIDE
DE3012301C2 (en) * 1980-03-29 1981-12-17 Thyssen Edelstahlwerke AG, 4000 Düsseldorf Process for the powder-metallurgical production of dense sintered bodies
DE3128236C2 (en) * 1981-04-09 1983-12-22 Thyssen Edelstahlwerke AG, 4000 Düsseldorf Self-lubricating hard alloy
DE3309409A1 (en) * 1983-03-16 1984-09-27 IWC International Watch Co AG, Schaffhausen Fastening device
DE3507332C2 (en) * 1985-03-01 1990-03-08 Seilstorfer Gmbh & Co Metallurgische Verfahrenstechnik Kg, 8092 Haag, De

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DE-Z: Powder Metallurgy Int., 16, 1984, 6, S. 268-271 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5290507A (en) * 1991-02-19 1994-03-01 Runkle Joseph C Method for making tool steel with high thermal fatigue resistance
EP0773305A1 (en) * 1995-11-08 1997-05-14 Crucible Materials Corporation Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
US5679908A (en) * 1995-11-08 1997-10-21 Crucible Materials Corporation Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
US5900560A (en) * 1995-11-08 1999-05-04 Crucible Materials Corporation Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and method for producing the same
US5936169A (en) * 1995-11-08 1999-08-10 Crucible Materials Corporation Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
DE102005020081A1 (en) * 2005-04-29 2006-11-09 Köppern Entwicklungs-GmbH Powder metallurgically produced, wear-resistant material
US9410230B2 (en) 2005-04-29 2016-08-09 Koppern Entwicklungs Gmbh & Co. Kg Powder-metallurgically produced, wear-resistant material

Also Published As

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