DE102007025758A1 - seal - Google Patents

seal Download PDF

Info

Publication number
DE102007025758A1
DE102007025758A1 DE200710025758 DE102007025758A DE102007025758A1 DE 102007025758 A1 DE102007025758 A1 DE 102007025758A1 DE 200710025758 DE200710025758 DE 200710025758 DE 102007025758 A DE102007025758 A DE 102007025758A DE 102007025758 A1 DE102007025758 A1 DE 102007025758A1
Authority
DE
Germany
Prior art keywords
weight
sealing ring
base material
elements
following
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.)
Withdrawn
Application number
DE200710025758
Other languages
German (de)
Inventor
Henry Dr. rer. nat. Bosch
Roland Ruch
Lutz Steinert
Klaus Dr. Wintrich
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.)
Mahle International GmbH
Original Assignee
Mahle International 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 Mahle International GmbH filed Critical Mahle International GmbH
Priority to DE200710025758 priority Critical patent/DE102007025758A1/en
Priority to EP08156343A priority patent/EP1997921A3/en
Priority to JP2008138913A priority patent/JP2008304059A/en
Publication of DE102007025758A1 publication Critical patent/DE102007025758A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Sealing Devices (AREA)
  • Supercharger (AREA)
  • Gasket Seals (AREA)
  • Powder Metallurgy (AREA)

Abstract

Die vorliegende Erfindung betrifft einen Dichtring, insbesondere einen Wellendichtring für einen Turbolader, der entweder ein Grundmaterial auf Eisenbasis oder ein Grundmaterial auf einer Nickelbasislegierung aufweist und zudem boriert ist.The present invention relates to a sealing ring, in particular a shaft seal for a turbocharger having either an iron-based base material or a base material on a nickel-based alloy and is also boriert.

Description

Die Erfindung betrifft einen Dichtring, insbesondere einen Wellendichtring für einen Turbolader.The The invention relates to a sealing ring, in particular a shaft seal for one Turbocharger.

Abhängig von der Position eines Dichtringes in einem Turbolader muss der Werkstoff des Dichtringes, insbesondere eines Wellendichtringes, verschiedene Eigenschaften aufweisen, um insbesondere eine Dichtfunktion über die gesamte Lebensdauer des Turboladers garantieren zu können. Die Dichtfunktion wird dabei hauptsächlich von einer Verschleißbeständigkeit beziehungsweise einer Kriechneigung der Dichtringe beeinflusst, so dass insbesondere bei neuen und hochbelasteten Turboladern, beispielsweise für Ottomotoren, neben einer hohen Verschleißbeständigkeit auch eine ausreichend hohe Kriechbeständigkeit gefordert wird. Die bisher für derartige Dichtringe verwendeten Werkstoffe, insbesondere Werkzeugstähle, sind von ihrer Kriechbeständigkeit nicht ausreichend, während austenitische Werkstoffe oder Nickelbasislegierungen oftmals keine ausreichende Verschleißbeständigkeit aufweisen.Depending on The position of a sealing ring in a turbocharger must be the material of the sealing ring, in particular a shaft seal, various Have in particular a sealing function over the guarantee the entire life of the turbocharger. The sealing function becomes mainly from a wear resistance or a creep of the sealing rings influenced, so that especially in new and highly loaded turbochargers, for example for gasoline engines, besides a high wear resistance Also, a sufficiently high creep resistance is required. The so far for such Sealing rings used materials, especially tool steels are from their creep resistance not enough while austenitic materials or nickel-based alloys often none have sufficient wear resistance.

Die Erfindung beschäftigt sich mit dem Problem, für einen Dichtring eine verbesserte Ausführungsform anzugeben, welche insbesondere die aus dem Stand der Technik bekannten Nachteile überwindet.The Invention busy dealing with the problem, for to provide a sealing ring an improved embodiment, which in particular overcomes the disadvantages known from the prior art.

Dieses Problem wird erfindungsgemäß durch den Gegenstand des unabhängigen Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This Problem is inventively the subject of the independent Claim 1 solved. Advantageous embodiments are Subject of the dependent Claims.

Die Erfindung beruht auf dem allgemeinen Gedanken, für einen Dichtring, insbesondere für einen Wellendichtring eines Turboladers, ein Grundmaterial auf Eisenbasis oder auf einer Nickelbasislegierung zu verwenden und den Dichtring zu borieren. Unter Borieren versteht man ein thermochemisches Randschichthärteverfahren zur Erzeugung einer verschleißfesten Oberfläche auf einem Werkstück, wobei beim Borieren das chemische Element Bor in die Randzone eines Werkstoffes, hier in die Randzone des Dichtringes, bei einer Temperatur zwischen 850 und 950°C eingebracht wird. Hierbei bildet sich bis in eine Tiefe von ca. 250 μm eine Boridschicht, welche eine gute Verankerung zum Grundmaterial des Dichtringes bewirkt. Prinzipiell wird durch das Borieren einerseits eine hohe Verschleißfestigkeit und andererseits eine hohe Kriechbeständigkeit des Materials erreicht. Darüber hinaus ermöglicht das Borieren einen Einsatz der Dichtringe bei hohen mechanischen und tribologischen Belastungen bei Temperaturen von bis zu 850°C. Im Unterschied zu Verschleißschutzschichten, welche beispielsweise durch ein PVD-Verfahren aufgebracht werden, wird durch das Borieren eine deutlich verbesserte Verankerung der Verschleißschutzschicht mit dem Grundwerkstoff des Dichtringes bewirkt.The Invention is based on the general idea, for a sealing ring, in particular for one Shaft seal of a turbocharger, an iron-based base material or on a nickel base alloy and use the sealing ring to bore. By boriding is meant a thermochemical surface hardening process for producing a wear-resistant surface on a workpiece, Boron, the chemical element boron in the edge zone of a Material, here in the edge zone of the sealing ring, at a temperature between 850 and 950 ° C is introduced. This forms up to a depth of approx. 250 μm one Boridschicht, which is a good anchorage to the basic material of Sealing ring causes. In principle, boriding on the one hand a high wear resistance and on the other hand achieves a high creep resistance of the material. About that also allows Boring an insert of the sealing rings at high mechanical and tribological loads at temperatures of up to 850 ° C. In difference to wear protection layers, which are applied, for example, by a PVD process, By boriding a significantly improved anchoring of the Wear protection layer effected with the base material of the sealing ring.

Zweckmäßig ist das Grundmaterial auf Eisenbasis zumindest teilweise austenitisch. Als Austenit werden γ-Mischkristalle des Eisens bezeichnet, wobei Austenit üblicherweise eine kubischflächen-zentrierte Struktur aufweist. Das Gefüge an sich besitzt eine geringe Härte, welche jedoch beispielsweise durch Kaltverformung gesteigert werden kann.Is appropriate the iron-based base material is at least partially austenitic. As austenite are γ-mixed crystals of iron, with austenite usually having a cubic area centered Structure has. The structure in itself has a low hardness, which, however, can be increased for example by cold working.

Alternativ dazu ist denkbar, dass das Grundmaterial auf Eisenbasis zumindest teilweise martensitisch ist. Martensit ist ein metastabiles Gefüge von Festkörpern, das die diffusionslos und athermische durch eine kooperative Scherbewegung aus dem Ausgangsgefüge entsteht. Beispielsweise kann der im Austenit gelöste Kohlenstoff durch eine sehr rasche Abkühlung, beispielsweise beim Abschrecken, zwangsgelöst werden, wodurch ein sehr hartes Gefüge entsteht. Die Abkühlgeschwindigkeit, bei welcher erste Anteile von Martensit, neben Ferrit, Perlit und Bainit entstehen, heißt dabei untere kritische Abkühlgeschwindigkeit. Generell wird Martensit bei Stählen verwendet, um einen Härteanstieg zu erzielen. Je höher dabei der Kohlenstoffgehalt des Martensits ist, desto höher ist auch dessen Härte.alternative It is conceivable that the iron-based base material at least partially martensitic. Martensite is a metastable structure of solids that the non-diffusion and athermal by a cooperative shearing motion from the initial structure arises. For example, the carbon dissolved in the austenite can by a very rapid cooling, For example, during quenching, be forcibly dissolved, creating a very hard structure arises. The cooling rate, in which first parts of martensite, in addition to ferrite, perlite and bainite arise, means while lower critical cooling rate. Generally martensite is used in steels, a hardness increase to achieve. The higher while the carbon content of martensite is the higher also its hardness.

Als weitere Alternative ist denkbar, dass das Grundmaterial auf Eisenbasis zumindest teilweise bainitisch ist. Bainit bildet sich dabei bei Temperaturen, welche zwischen den für die Perlit- bzw. Martensitbildung liegen. Anders als bei der Bildung von reinem Martensit sind hier Umklappvorgänge im Kristallgitter und Diffusionsvorgänge gekoppelt, wodurch verschiedene Umwandlungsmechanismen möglich werden.When Another alternative is conceivable that the base material is iron-based at least partially bainitic. Bainite is formed Temperatures which are between those for the perlite or martensite formation lie. Unlike the formation of pure martensite are here Umklappvorgänge coupled in the crystal lattice and diffusion processes, creating different Conversion mechanisms are possible.

Alle in der Beschreibung und in den nachfolgenden Ansprüchen dargestellten Merkmale können dabei sowohl einzeln als auch in beliebiger Form miteinander kombiniert erfindungswesentlich sein.All in the description and in the following claims Features can be included both individually and in any form combined be essential to the invention.

Claims (11)

Dichtring, insbesondere ein Wellendichtring für einen Turbolader, der ein Grundmaterial auf Eisenbasis oder auf einer Nickelbasislegierung aufweist und boriert ist.Sealing ring, in particular a shaft seal for a Turbocharger containing an iron-based base material or on one Nickel-based alloy and is borated. Dichtring nach Anspruch 1, dadurch gekennzeichnet, – dass das Grundmaterial auf Eisenbasis zumindest teilweise austenitisch ist, oder – dass das Grundmaterial auf Eisenbasis zumindest teilweise ferritisch ist, oder – dass das Grundmaterial auf Eisenbasis zumindest teilweise perlitisch, bainitisch oder martensitisch ist.Sealing ring according to claim 1, characterized - that this Iron-based base material is at least partially austenitic, or - that the iron-based base material is at least partially ferritic is, or - that the iron-based base material is at least partially pearlitic, bainitic or martensitic. Dichtring nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Grundmaterial zumindest eines der folgenden Elemente in der nachfolgend genannten Konzentration aufweist: – C: 0,0–0,9 Gew.-%, – Si: 0,0–3,0 Gew.-%, – Mn: 0,0–19,0 Gew.-%, – P, S, B: 0,0–0,5 Gew.-%, – Cr: 3,0–27,0 Gew.-%, – Mo: 0,0–6,0 Gew.-%, – Ni: 0,0–37,0 Gew.-%, – Al, Ti: 0,0–6,0 Gew.-%, – N: 0,0–0,5 Gew.-%, – Nb, V: 0,0–2,5 Gew.-%, – W, Cu: 0,0–3,0 Gew.-%, – Co: 0,0–17,0 Gew.-%, – Fe: 35,0–97,0 Gew.-%, – sowie herstellungsbedingte Verunreinigungen anderer Elemente.Sealing ring according to claim 1 or 2, characterized that the base material at least one of the following elements in the having the following concentration: C: 0.0-0.9% by weight, Si: 0.0-3.0% by weight, Mn: 0.0-19.0% by weight, - P, S, B: 0.0-0.5 Wt .-%, - Cr: 3.0 to 27.0 Wt .-%, - Not a word: 0.0 to 6.0 Wt .-%, - Ni: 0.0 to 37.0 Wt .-%, - Al, Ti: 0.0-6.0 Wt .-%, - N: 0.0-0.5 Wt .-%, - Nb, V: 0.0-2.5 Wt .-%, - W, Cu: 0.0-3.0 Wt .-%, - Co: 0.0 to 17.0 Wt .-%, - Fe: 35.0 to 97.0 Wt .-%, - such as Production-related contamination of other elements. Dichtring nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Grundmaterial zumindest eines der folgenden Elemente in der nachfolgend genannten Konzentration aufweist: – C: 0,0–0,2 Gew.-%, – Si: 0,0–2,0 Gew.-%, – Mn: 0,0–2,0 Gew.-%, – P, S, B: 0,0–0,05 Gew.-%, – Al: 0,0–0,4 Gew.-%, – Cr: 13,0–17,0 Gew.-%, – Mo: 1,0–2,0 Gew.-%, – Ni: 23,5–27,5 Gew.-%, – Ti: 1,0–3,0 Gew.-%, – V: 0,0–1,0 Gew.-%, – Fe: 45,0–62,5 Gew.-%, – sowie herstellungsbedingte Verunreinigungen anderer Elemente.Sealing ring according to claim 1 or 2, characterized that the base material at least one of the following elements in the having the following concentration: C: 0.0-0.2% by weight, Si: 0.0-2.0% by weight, Mn: 0.0-2.0% by weight, - P, S, B: 0.0-0.05 Wt .-%, - Al: 0.0 to 0.4 Wt .-%, - Cr: 13.0 to 17.0 Wt .-%, - Not a word: 1.0-2.0 Wt .-%, - Ni: 23.5 to 27.5 Wt .-%, - Ti: 1.0-3.0 Wt .-%, - V: 0.0-1.0 Wt .-%, - Fe: 45.0 to 62.5 Wt .-%, - such as Production-related contamination of other elements. Dichtring nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Grundmaterial zumindest eines der folgenden Elemente in der nachfolgend genannten Konzentration aufweist: – C: 0,0–0,7 Gew.-%, – Si: 0,0–1,0 Gew.-%, – Mn: 5,0–10,0 Gew.-%, – P, S: 0,0–0,5 Gew.-%, – Cr: 14,0–23,0 Gew.-%, – Mo: 0,0–5,0 Gew.-%, – Ni: 0,0–15,0 Gew.-%, – Ti: 0,0–0,5 Gew.-%, – N: 0,0–0,5 Gew.-%, – Nb: 0,0–1,3 Gew.-%, – V: 0,0–1,2 Gew.-%, – W: 0,0–1,0 Gew.-%, – B: 0,0–0,1 Gew.-%, – Co: 0,0–2,0 Gew.-%, – Cu: 0,0–2,0 Gew.-%, – Fe: 40,0–81,0 Gew.-%, – sowie herstellungsbedingte Verunreinigungen anderer Elemente.Sealing ring according to claim 1 or 2, characterized that the base material at least one of the following elements in the having the following concentration: C: 0.0-0.7% by weight, Si: 0.0-1.0 wt.%, Mn: 5.0-10.0% by weight, - P, S: 0.0-0.5 Wt .-%, - Cr: 14.0 to 23.0 Wt .-%, - Not a word: 0.0-5.0 Wt .-%, - Ni: 0.0 to 15.0 Wt .-%, - Ti: 0.0-0.5 Wt .-%, - N: 0.0-0.5 Wt .-%, - Nb: 0.0 to 1.3 Wt .-%, - V: 0.0-1.2 Wt .-%, - W: 0.0-1.0 Wt .-%, - B: 0.0-0.1 Wt .-%, - Co: 0.0-2.0 Wt .-%, - Cu: 0.0-2.0 Wt .-%, - Fe: 40.0 to 81.0 Wt .-%, - such as Production-related contamination of other elements. Dichtring nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Grundmaterial zumindest eines der folgenden Elemente in der nachfolgend genannten Konzentration aufweist: – C: 0,5–1,8 Gew.-%, – Si: 0,0–1,0 Gew.-%, – Mn: 0,0–1,5 Gew.-%, – P, S: 0,0–0,5 Gew.-%, – Cr, Mo: 2,0–7,0 Gew.-%, – Ni, Co: 0,0–15,0 Gew.-%, – Ti: 0,0–0,5 Gew.-%, – Cu: 0,0–2,0 Gew.-%, – N: 0,0–0,3 Gew.-%, – Nb: 0,0–1,5 Gew.-%, – V: 0,5–3,0 Gew.-%, – W: 2,0–9,0 Gew.-%, – B: 0,0–0,1 Gew.-%, – Fe: 40,0–93,5 Gew.-%, – sowie herstellungsbedingte Verunreinigungen anderer ElementeSealing ring according to claim 1 or 2, characterized that the base material at least one of the following elements in the having the following concentration: C: 0.5-1.8% by weight, Si: 0.0-1.0 wt.%, Mn: 0.0-1.5% by weight, - P, S: 0.0-0.5 Wt .-%, - Cr, Mo: 2.0-7.0 Wt .-%, - Ni, Co: 0.0-15.0 Wt .-%, - Ti: 0.0-0.5 Wt .-%, - Cu: 0.0-2.0 Wt .-%, - N: 0.0-0.3 Wt .-%, - Nb: 0.0 to 1.5 Wt .-%, - V: 0.5-3.0 Wt .-%, - W: 2.0 to 9.0 Wt .-%, - B: 0.0-0.1 Wt .-%, - Fe: 40.0 to 93.5 Wt .-%, - such as Production-related contamination of other elements Dichtring nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Grundmaterial zumindest eines der folgenden Elemente in der nachfolgend genannten Konzentration aufweist: – C: 0,0–2,7 Gew.-%, – Si: 0,2–2,3 Gew.-%, – Mn: 0,0–1,5 Gew.-%, – P, S: 0,0–0,5 Gew.-%, – Cr: 22,0–37,0 Gew.-%, – Mo, Cu: 0,0–3,0 Gew.-%, – Ni: 0,0–6,0 Gew.-%, – N, Ti: 0,0–0,5 Gew.-%, – V, Nb: 0,0–1,5 Gew.-%, – W, Co: 0,0–2,0 Gew.-%, – B: 0,0–0,1 Gew.-%, – Fe: 40,0–77,9 Gew.-%, – sowie herstellungsbedingte Verunreinigungen anderer ElementeSealing ring according to claim 1 or 2, characterized that the base material at least one of the following elements in the having the following concentration: C: 0.0-2.7% by weight, Si: 0.2-2.3% by weight, Mn: 0.0-1.5% by weight, - P, S: 0.0-0.5 Wt .-%, - Cr: 22.0 to 37.0 Wt .-%, - Not a word, Cu: 0.0-3.0 Wt .-%, - Ni: 0.0 to 6.0 Wt .-%, - N, Ti: 0.0-0.5 Wt .-%, - V, Nb: 0.0-1.5 Wt .-%, - W, Co: 0.0-2.0 Wt .-%, - B: 0.0-0.1 Wt .-%, - Fe: 40.0 to 77.9 Wt .-%, - such as Production-related contamination of other elements Dichtring nach Anspruch 1, dadurch gekennzeichnet, dass das Grundmaterial zumindest eines der folgenden Elemente in der nachfolgend genannten Konzentration aufweist: – C: 0,0–0,2 Gew.-%, – Si: 0,0–1,0 Gew.-%, – Mn: 0,0–1,0 Gew.-%, – P, S, B: 0,0–0,5 Gew.-%, – Cr: 8,0–31,0 Gew.-%, – Mo: 0,0–15,0 Gew.-%, – Fe: 0,0–36,0 Gew.-%, – Ti: 0,0–5,0 Gew.-%, – N, La: 0,0–0,5 Gew.-%, – Nb: 0,0–5,5 Gew.-%, – V, Cu: 0,0–2,0 Gew.-%, – Hf, Zr: 0,0–2,0 Gew.-%, – W: 0,0–14,0 Gew.-%, – Co: 0,0–20,0 Gew.-%, – Ni: 40,0–92,0 Gew.-%, – sowie herstellungsbedingte Verunreinigungen anderer ElementeSealing ring according to claim 1, characterized in that the base material has at least one of the following elements in the following concentration: - C: 0.0-0.2 wt .-%, - Si: 0.0-1.0 wt. %, Mn: 0.0-1.0 wt.%, P, S, B: 0.0-0.5 wt.%, Cr: 8.0-31.0 wt. %, - Mo: 0.0-15.0 wt .-%, - Fe: 0.0-36.0 wt .-%, - Ti: 0.0-5.0 wt .-%, - N, La: 0.0-0.5% by weight, - Nb: 0.0-5.5% by weight, - V, Cu: 0.0-2.0% by weight, - Hf, Zr: 0.0-2.0% by weight, - W: 0.0-14.0 wt .-%, - Co: 0.0-20.0 wt .-%, - Ni: 40.0-92.0 wt .-%, - and production-related impurities of other elements Dichtring nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass eine Schichtdicke einer Borierschicht 1 bis 50 μm beträgt.Sealing ring according to one of claims 1 to 8, characterized a layer thickness of a boriding layer is 1 to 50 μm. Verfahren zum Herstellen eines Dichtrings nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, – dass zum Borieren feste, flüssige, insbesondere pastenartige, oder gasförmige Borspender verwendet werden, und/oder – dass das Grundmaterial des Dichtrings gesintert oder gegossen wird.Method for producing a sealing ring after a the claims 1 to 9, characterized - that to Borieren solid, liquid, in particular paste-like, or gaseous Borspender used be, and / or - that the base material of the sealing ring is sintered or cast. Verfahren nach Anspruch 10, dadurch gekennzeichnet, – dass der Dichtring aus Stangenvollmaterial oder aus rohrförmigen Halbzeugen gedreht wird, oder – dass der Dichtring aus Draht gewickelt wird.Method according to claim 10, characterized in that - that the Sealing ring is made of solid rod or of tubular semi-finished products, or - that the sealing ring is wound from wire.
DE200710025758 2007-06-01 2007-06-01 seal Withdrawn DE102007025758A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE200710025758 DE102007025758A1 (en) 2007-06-01 2007-06-01 seal
EP08156343A EP1997921A3 (en) 2007-06-01 2008-05-16 Gasket
JP2008138913A JP2008304059A (en) 2007-06-01 2008-05-28 Sealing ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710025758 DE102007025758A1 (en) 2007-06-01 2007-06-01 seal

Publications (1)

Publication Number Publication Date
DE102007025758A1 true DE102007025758A1 (en) 2008-12-04

Family

ID=39619172

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200710025758 Withdrawn DE102007025758A1 (en) 2007-06-01 2007-06-01 seal

Country Status (3)

Country Link
EP (1) EP1997921A3 (en)
JP (1) JP2008304059A (en)
DE (1) DE102007025758A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012209567A1 (en) * 2012-06-06 2013-12-12 Siemens Aktiengesellschaft Method for manufacturing piston sealing ring, involves producing sealing wire as bar profile with final cross-sectional contour of piston sealing ring and with wire length greater than circumference of to-be manufactured piston sealing ring
DE102017209855A1 (en) * 2017-06-12 2018-12-13 Siemens Aktiengesellschaft Sealing ring with ring segments
DE112012005191B4 (en) 2012-08-13 2020-06-18 Komatsu Ltd. Sliding seal
DE112012005163B4 (en) 2012-08-13 2020-06-18 Komatsu Ltd. Sliding seal
CN112813349A (en) * 2020-12-31 2021-05-18 傅永平 Steel for hot extrusion die and preparation method thereof
DE102020202266A1 (en) 2020-02-21 2021-08-26 Mahle International Gmbh Ferritic material for a drive system
DE102020213539A1 (en) 2020-10-28 2022-04-28 Siemens Energy Global GmbH & Co. KG Alloy, blank, component made of austenite and a process
DE102021210978A1 (en) 2021-09-30 2023-03-30 Mahle International Gmbh Ferritic material and combination thereof

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110176914A1 (en) 2008-09-25 2011-07-21 Borgwarner Inc. Turbocharger and blade bearing ring therefor
DE102009010726B3 (en) * 2009-02-26 2010-12-09 Federal-Mogul Burscheid Gmbh Piston rings and cylinder liners
DE102009015008B3 (en) * 2009-03-26 2010-12-02 Federal-Mogul Burscheid Gmbh Piston rings and cylinder liners
DE102009015009B3 (en) * 2009-03-26 2010-12-09 Federal-Mogul Burscheid Gmbh piston ring
DE102009038382A1 (en) * 2009-08-24 2011-03-03 Stahlwerk Ergste Gmbh Stainless martensitic chrome steel
JP4982539B2 (en) * 2009-09-04 2012-07-25 株式会社日立製作所 Ni-base alloy, Ni-base casting alloy, high-temperature components for steam turbine, and steam turbine casing
EP2302090A1 (en) * 2009-09-28 2011-03-30 Nuovo Pignone S.p.A. Stuffing box casing for reciprocating compressors comprising at least in part a steel containing C: 0.13-0.17%; Cr:1.8-2.20%; Ni: 9.5-10.5%; Co:13.5-14.5%; Mo:0.90-1.10; Al<0.015%; Ti<0.015%;Mn<0.10%; Si<0.10%; S<0.005%; P<0.008%.
JP2011075071A (en) * 2009-10-01 2011-04-14 Nuovo Pignone Holding Spa Packing box casing for reciprocating compressor
GB201016731D0 (en) * 2010-10-05 2010-11-17 Rolls Royce Plc An alloy steel
AT509598B1 (en) 2010-10-18 2011-10-15 Boehler Edelstahl Gmbh & Co Kg METHOD FOR PRODUCING TOOLS FROM ALLOYED STEEL AND TOOLS, IN PARTICULAR FOR DISPERSING MACHINING METALS
US9347121B2 (en) * 2011-12-20 2016-05-24 Ati Properties, Inc. High strength, corrosion resistant austenitic alloys
JP6166953B2 (en) * 2012-06-06 2017-07-19 大同特殊鋼株式会社 Maraging steel
CN103160750B (en) * 2013-03-16 2015-03-25 安徽厚林精密金属科技有限公司 Homogenizing guide roller for rods/wires and processing technique thereof
JP6189616B2 (en) * 2013-03-29 2017-08-30 株式会社リケン Rotating shaft seal ring made of iron-based sintered alloy and method for manufacturing the same
CN103255347B (en) * 2013-04-18 2014-10-08 沈阳维越利电力设备有限公司 Wear-resistant alloy and application thereof in millstone tile
JP6173822B2 (en) * 2013-08-01 2017-08-02 株式会社東芝 Austenitic heat resistant steel and turbine parts
CN103469104B (en) * 2013-08-15 2015-09-02 甘肃酒钢集团宏兴钢铁股份有限公司 A kind of boracic duplex stainless steel and boron alloyed smelting process thereof
CN103643169B (en) * 2013-11-27 2015-08-05 江苏科技大学 A kind of Exhaust valve head material containing Ce and preparation method thereof
CN103789615B (en) * 2014-01-25 2016-01-13 安徽省临泉县智创精机有限公司 A kind of high strength low-carbon steel and preparation method thereof
CN103789677B (en) * 2014-02-11 2016-04-20 江苏省沙钢钢铁研究院有限公司 High-strength steel bar with high corrosion resistance and preparation method thereof
JP6173956B2 (en) * 2014-03-25 2017-08-02 株式会社東芝 Austenitic heat resistant steel and turbine parts
US9528171B2 (en) * 2014-09-16 2016-12-27 Caterpillar Inc. Alloy for seal ring, seal ring, and method of making seal ring for seal assembly of machine
CN107075629B (en) * 2014-09-19 2020-03-24 日本制铁株式会社 Austenitic stainless steel sheet
CN104213038A (en) * 2014-09-24 2014-12-17 无锡康柏斯机械科技有限公司 Alloy guide roller and production method thereof
CN107636187B (en) * 2014-11-04 2020-03-17 德雷瑟-兰德公司 Corrosion resistant metals and metal compositions
US9995161B2 (en) * 2014-11-12 2018-06-12 Borgwarner Inc. Modular turbocharger clearance seal
US9683520B2 (en) * 2015-03-09 2017-06-20 Caterpillar Inc. Turbocharger and method
US9752536B2 (en) 2015-03-09 2017-09-05 Caterpillar Inc. Turbocharger and method
US9739238B2 (en) 2015-03-09 2017-08-22 Caterpillar Inc. Turbocharger and method
KR20180095557A (en) * 2015-12-18 2018-08-27 보르그워너 인코퍼레이티드 Wasted gate parts including novel alloys
KR101649584B1 (en) * 2015-12-28 2016-08-19 한국피아이엠(주) Method of heat-resistant parts manufacturing using metal granule powder
CN105671425B (en) * 2016-01-26 2017-07-11 安徽同盛环件股份有限公司 A kind of preparation method of high-temperature alloy ring sealing ring
CN105839022B (en) * 2016-03-31 2021-04-09 宝钢德盛不锈钢有限公司 High-hardness non-magnetic nickel-free stainless steel and manufacturing method thereof
DE102016208301A1 (en) * 2016-05-13 2017-11-16 Continental Automotive Gmbh Steel material for high temperature applications and turbine housings made of this material
JP6365963B2 (en) 2016-07-06 2018-08-01 日立金属株式会社 Martensitic stainless steel for fuel injection member and fuel injection member using the same
DE102016114533A1 (en) * 2016-08-05 2018-02-08 Flowserve Flow Control Gmbh Iron-based alloy for the production of thermally sprayed wear-resistant coatings
CN106222583B (en) * 2016-08-23 2018-02-23 宁国市开源电力耐磨材料有限公司 A kind of wear-resisting high chromium casting ball and its smelting technology
KR101836715B1 (en) * 2016-10-12 2018-03-09 현대자동차주식회사 Stainless steel having excellent oxidation resistance at high temperature
GB2554898B (en) 2016-10-12 2018-10-03 Univ Oxford Innovation Ltd A Nickel-based alloy
CN106435372A (en) * 2016-12-15 2017-02-22 苏州科胜仓储物流设备有限公司 High-strength steel plate for shelving crosspieces and thermal treatment method thereof
CN107058876A (en) * 2017-06-14 2017-08-18 合肥市旺友门窗有限公司 A kind of door and window stainless steel material
CN107245669A (en) * 2017-06-22 2017-10-13 威斯卡特工业（中国）有限公司 A kind of casting foundry alloy and its production method
GB2565063B (en) 2017-07-28 2020-05-27 Oxmet Tech Limited A nickel-based alloy
DE102017216461A1 (en) 2017-09-18 2019-03-21 Siemens Aktiengesellschaft Martensitic steel with Z-phase, powder and component
CN108315642A (en) * 2018-02-06 2018-07-24 芜湖市皖南造船有限公司 A kind of hull bottom plate steel plate
CN108300942A (en) * 2018-02-06 2018-07-20 芜湖市皖南造船有限公司 A kind of hull keel steel pipe
CN108531831B (en) * 2018-05-18 2020-01-21 山东泰山钢铁集团有限公司 Material and method of multicomponent alloying high chromium cast steel for grate bar
CN108950348A (en) * 2018-07-26 2018-12-07 宁国市华成金研科技有限公司 A kind of anti-corrosion and high strength alloy
DE102018217057A1 (en) 2018-10-05 2020-04-09 Continental Automotive Gmbh Steel material for high-temperature applications and exhaust gas turbochargers made of this steel material
CN110066957A (en) * 2019-05-17 2019-07-30 国家电投集团科学技术研究院有限公司 Corrosion-resistant super austenitic stainless steel of modified and preparation method thereof
US11725266B2 (en) * 2019-10-30 2023-08-15 Garrett Transportation I Inc. Stainless steel alloys, turbocharger components formed from the stainless steel alloys, and methods for manufacturing the same
JP7560732B2 (en) * 2020-02-14 2024-10-03 日本製鉄株式会社 Austenitic Stainless Steel
JP7330132B2 (en) * 2020-04-09 2023-08-21 本田技研工業株式会社 Seal member and manufacturing method thereof
CN111850407B (en) * 2020-07-29 2021-10-08 成都先进金属材料产业技术研究院有限公司 850 MPa-grade titanium-containing free-cutting stainless steel forged bar and preparation method thereof
CN112143984B (en) * 2020-09-27 2021-10-08 江油市长祥特殊钢制造有限公司 Stainless steel for heat-shrinkable knife handle and preparation method thereof
CN112281078A (en) * 2020-11-23 2021-01-29 湖州南浔中盛金属热处理有限公司 Be applied to cementation steel pipe in automotive filed
CN114875288B (en) * 2022-04-08 2023-01-17 河北中凯新创耐磨材料科技有限公司 High-entropy alloy reinforced high-speed steel wear-resistant material and preparation method thereof
CN118326284B (en) * 2024-06-13 2024-08-16 成都斯杰化工机械有限公司 Corrosion-resistant cavitation-resistant stainless steel and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2618775A1 (en) * 1976-04-29 1977-11-17 Goetzewerke CAST IRON MACHINE COMPONENTS WITH RISING STRESS WITH LEDEBURITIC TREAD AND THEIR MANUFACTURING PROCESS
DE2944128A1 (en) * 1979-11-02 1981-05-14 J. Wizemann Gmbh U. Co, 7000 Stuttgart Cast iron for IC engine cylinder liner - with addn. of copper, tin and boron to give wear and corrosion resistance
DE19525863A1 (en) * 1995-07-15 1997-01-16 Ae Goetze Gmbh Mechanical seal for the tracks of caterpillars
DE10049598A1 (en) * 2000-10-06 2002-04-18 Federal Mogul Burscheid Gmbh Production of a cast iron material used e.g. in the production of piston rings comprises forming a melt, producing a blank with a white cast structure, and holding the blank
DE10029062C2 (en) * 1999-06-21 2003-07-03 Honda Motor Co Ltd Hypoeutectic nodular cast iron
DE10309386A1 (en) * 2003-03-04 2004-09-23 Federal-Mogul Burscheid Gmbh Production of a cast iron workpiece with temper carbon-like (sic) graphite build up useful in internal combustion engine construction and ship building engines
DE102005010090A1 (en) * 2005-03-04 2006-09-07 Federal-Mogul Friedberg Gmbh Cast iron material with graphite formation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022481A (en) * 1973-02-23 1977-05-10 International Harvester Company Compliant structural members
US3916054A (en) * 1973-02-23 1975-10-28 Int Harvester Co Compliant structural members
US4934254A (en) * 1982-05-24 1990-06-19 Clark Eugene V Face seal with long-wearing sealing surface
WO1983004293A1 (en) * 1982-05-24 1983-12-08 Clark Eugene V Improvements in mechanical seal structures
DE4410094A1 (en) * 1994-03-24 1995-09-28 Guenter Schipper Guide ring seal with changeable insert
WO2004005565A1 (en) * 2001-01-05 2004-01-15 Hitachi Metals, Ltd. Casting steel having high strength and low thermal expansion
US7389832B2 (en) * 2006-05-26 2008-06-24 Dyna-Drill Technologies, Inc. Hydrostatic mechanical seal with local pressurization of seal interface

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2618775A1 (en) * 1976-04-29 1977-11-17 Goetzewerke CAST IRON MACHINE COMPONENTS WITH RISING STRESS WITH LEDEBURITIC TREAD AND THEIR MANUFACTURING PROCESS
DE2944128A1 (en) * 1979-11-02 1981-05-14 J. Wizemann Gmbh U. Co, 7000 Stuttgart Cast iron for IC engine cylinder liner - with addn. of copper, tin and boron to give wear and corrosion resistance
DE19525863A1 (en) * 1995-07-15 1997-01-16 Ae Goetze Gmbh Mechanical seal for the tracks of caterpillars
DE10029062C2 (en) * 1999-06-21 2003-07-03 Honda Motor Co Ltd Hypoeutectic nodular cast iron
DE10049598A1 (en) * 2000-10-06 2002-04-18 Federal Mogul Burscheid Gmbh Production of a cast iron material used e.g. in the production of piston rings comprises forming a melt, producing a blank with a white cast structure, and holding the blank
DE10309386A1 (en) * 2003-03-04 2004-09-23 Federal-Mogul Burscheid Gmbh Production of a cast iron workpiece with temper carbon-like (sic) graphite build up useful in internal combustion engine construction and ship building engines
DE102005010090A1 (en) * 2005-03-04 2006-09-07 Federal-Mogul Friedberg Gmbh Cast iron material with graphite formation

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HORNBOGEN,E.:Werkstoffe.Berlin.Springer,2006; *
REMY,H.:Lehrbuch der anorganischen Chemie.Leipzig.Akademische Verlagsgesellschaft,1973; *
WEISSBACH,W.:Werkstoffkunde und Werkstoffprüfung.Wiesbaden.Springer,2004; *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012209567A1 (en) * 2012-06-06 2013-12-12 Siemens Aktiengesellschaft Method for manufacturing piston sealing ring, involves producing sealing wire as bar profile with final cross-sectional contour of piston sealing ring and with wire length greater than circumference of to-be manufactured piston sealing ring
DE112012005191B4 (en) 2012-08-13 2020-06-18 Komatsu Ltd. Sliding seal
DE112012005163B4 (en) 2012-08-13 2020-06-18 Komatsu Ltd. Sliding seal
DE102017209855A1 (en) * 2017-06-12 2018-12-13 Siemens Aktiengesellschaft Sealing ring with ring segments
DE102020202266A1 (en) 2020-02-21 2021-08-26 Mahle International Gmbh Ferritic material for a drive system
DE102020213539A1 (en) 2020-10-28 2022-04-28 Siemens Energy Global GmbH & Co. KG Alloy, blank, component made of austenite and a process
CN112813349A (en) * 2020-12-31 2021-05-18 傅永平 Steel for hot extrusion die and preparation method thereof
CN112813349B (en) * 2020-12-31 2021-11-30 傅永平 Steel for hot extrusion die and preparation method thereof
DE102021210978A1 (en) 2021-09-30 2023-03-30 Mahle International Gmbh Ferritic material and combination thereof

Also Published As

Publication number Publication date
EP1997921A2 (en) 2008-12-03
JP2008304059A (en) 2008-12-18
EP1997921A3 (en) 2009-10-28

Similar Documents

Publication Publication Date Title
DE102007025758A1 (en) seal
EP1746177B1 (en) High strength bolt excellent in delayed fracture resistance and method of production of same
Panneerselvam et al. An investigation on the stability of austenite in Austempered Ductile Cast Iron (ADI)
AT507215B1 (en) WEAR-RESISTANT MATERIAL
DE69303518T2 (en) Heat-resistant, ferritic steel with low chromium content and with improved fatigue strength and toughness
DE102008005803A1 (en) Component used for armoring vehicles and in installations and components for transporting and recovering gases at low temperature is made from a high carbon-containing austenitic cryogenic steel cast mold
WO2008009722A1 (en) Rustproof austenitic cast steel, method for production and use thereof
DE2749017A1 (en) LOW CARBON STEEL
DE1458470A1 (en) High-strength steel alloy and method for strengthening an alloy steel
DE4212966A1 (en) Martensitic chromium@ steel - has good wear resistance and high temp. tensile strength, used in building parts
AT410447B (en) HOT STEEL SUBJECT
Bashu et al. Effect of heat treatment on mechanical properties and fracture behaviour of a 12CrMoV steel
EP2791379A1 (en) Roller bearing component
DE102007062664B3 (en) Method for producing components made of austenitic-ferritic cast iron and such a component
Druce Effects of austenitisation heat treatment on the fracture resistance and temper embrittlement of MnMoNi steels
DE3522115A1 (en) HEAT-RESISTANT 12 CR STEEL AND TURBINE PARTS MADE OF IT
DE3528537A1 (en) METHOD FOR PRODUCING STEEL OF HIGH STRENGTH AND TOUGHNESS FOR PRESSURE TANKS
DE102009008285A1 (en) steel alloy
DE3522114A1 (en) Heat-resistant 12-Cr steel, and turbine components made from this
DE2925326A1 (en) STEEL WITH EXCELLENT VIBRATION DAMPING CAPACITY AND METHOD FOR PRODUCING THE SAME
DE202009017752U1 (en) hardened steel
DE102018200343A1 (en) Component for contacting hydrogen
DE112013000549B4 (en) Ferritic stainless steel and method of manufacturing a high temperature component
El-Baradie et al. Austempering of spheroidal graphite cast iron
EP2925899B1 (en) Metallic steel material

Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8139 Disposal/non-payment of the annual fee