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RU2663501C1 - Iron-based alloy - Google Patents

Iron-based alloy Download PDF

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Publication number
RU2663501C1
RU2663501C1 RU2018100573A RU2018100573A RU2663501C1 RU 2663501 C1 RU2663501 C1 RU 2663501C1 RU 2018100573 A RU2018100573 A RU 2018100573A RU 2018100573 A RU2018100573 A RU 2018100573A RU 2663501 C1 RU2663501 C1 RU 2663501C1
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RU
Russia
Prior art keywords
iron
molybdenum
yttrium
manganese
cobalt
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Application number
RU2018100573A
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Russian (ru)
Inventor
Юлия Алексеевна Щепочкина
Original Assignee
Юлия Алексеевна Щепочкина
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Publication date
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Priority to RU2018100573A priority Critical patent/RU2663501C1/en
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Publication of RU2663501C1 publication Critical patent/RU2663501C1/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30Ferrous alloys, e.g. steel alloys containing chromium with cobalt

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

FIELD: metallurgy.SUBSTANCE: invention relates to the field of ferrous metallurgy, in particular to compositions of iron-based alloys that can be used in machine building. Iron-based alloy contains, wt. %: manganese 0.5–1.0; chromium 20.0–24.0; aluminium 3.5–4.5; molybdenum 0.3–0.4; yttrium 0.1–0.3; lanthanum 2.5–3.0; cobalt 7.0–10.0; rest is iron.EFFECT: alloy is characterized by high impact strength.1 cl, 1 tbl

Description

Изобретение относится к области черной металлургии, в частности к составам сплавов на основе железа, которые могут быть использованы в машиностроении.The invention relates to the field of ferrous metallurgy, in particular to compositions of alloys based on iron, which can be used in mechanical engineering.

Известен сплав на основе железа, содержащий мас. %: углерод 0,001-0,006; кремний 0,1-1,0; марганец 0,1-1,0; хром 20,0-24,0; алюминий 3,5-4,5; азот 0,001-0,005; молибден 0,5-1,5; иттрий 0,03-0,5; железо - остальное [1].Known alloy based on iron containing wt. %: carbon 0.001-0.006; silicon 0.1-1.0; manganese 0.1-1.0; chrome 20.0-24.0; aluminum 3.5-4.5; nitrogen 0.001-0.005; molybdenum 0.5-1.5; yttrium 0.03-0.5; iron - the rest [1].

Задачей изобретения является повышение ударной вязкости сплава.The objective of the invention is to increase the toughness of the alloy.

Технический результат достигается тем, что сплав на основе железа, включающий углерод, кремний, марганец, хром, алюминий, молибден, иттрий, дополнительно содержит лантан и кобальт, причем компоненты находятся при следующем соотношении, мас. %: марганец 0,5-1,0; хром 20,0-24,0; алюминий 3,5-4,5; молибден 0,3-0,4; иттрий 0,1-0,3; лантан 2,5-3,0; кобальт 7,0-10,0; железо - остальное.The technical result is achieved in that the alloy based on iron, including carbon, silicon, manganese, chromium, aluminum, molybdenum, yttrium, additionally contains lanthanum and cobalt, and the components are in the following ratio, wt. %: manganese 0.5-1.0; chrome 20.0-24.0; aluminum 3.5-4.5; molybdenum 0.3-0.4; yttrium 0.1-0.3; lanthanum 2.5-3.0; cobalt 7.0-10.0; iron is the rest.

В таблице приведены составы сплава на основе железа.

Figure 00000001
The table shows the compositions of the alloy based on iron.
Figure 00000001

Хром, марганец, молибден, кобальт, алюминий, иттрий, лантан увеличивают ударную вязкость сплава. Кобальт, лантан и молибден препятствуют возникновению и развитию трещин при механических нагрузках.Chrome, manganese, molybdenum, cobalt, aluminum, yttrium, lanthanum increase the toughness of the alloy. Cobalt, lanthanum and molybdenum prevent the occurrence and development of cracks under mechanical stress.

Сплав может быть выплавлен в электропечах.The alloy can be smelted in electric furnaces.

Источники информации:Information sources:

1. SU 552369, 1977.1. SU 552369, 1977.

Claims (1)

Сплав на основе железа, включающий углерод, кремний, марганец, хром, алюминий, молибден, иттрий и железо, отличающийся тем, что он дополнительно содержит лантан и кобальт, причем компоненты находятся при следующем соотношении, мас. %: марганец 0,5-1,0; хром 20,0-24,0; алюминий 3,5-4,5; молибден 0,3-0,4; иттрий 0,1-0,3; лантан 2,5-3,0; кобальт 7,0-10,0; железо - остальное.An alloy based on iron, including carbon, silicon, manganese, chromium, aluminum, molybdenum, yttrium and iron, characterized in that it additionally contains lanthanum and cobalt, and the components are in the following ratio, wt. %: manganese 0.5-1.0; chrome 20.0-24.0; aluminum 3.5-4.5; molybdenum 0.3-0.4; yttrium 0.1-0.3; lanthanum 2.5-3.0; cobalt 7.0-10.0; iron is the rest.
RU2018100573A 2018-01-09 2018-01-09 Iron-based alloy RU2663501C1 (en)

Priority Applications (1)

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RU2663501C1 true RU2663501C1 (en) 2018-08-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434006A (en) * 1979-05-17 1984-02-28 Daido Tokushuko Kabushiki Kaisha Free cutting steel containing controlled inclusions and the method of making the same
JP2006089796A (en) * 2004-09-22 2006-04-06 Japan Fine Ceramics Center Oxidation resistant unit and oxidation resistant coating material
WO2017077137A2 (en) * 2015-11-06 2017-05-11 Innomaq 21, S.L. Method for the economic manufacturing of metallic parts
RU2625363C2 (en) * 2012-11-02 2017-07-13 Те Свотч Груп Рисерч Энд Дивелопмент Лтд Stainless steel free of nickel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434006A (en) * 1979-05-17 1984-02-28 Daido Tokushuko Kabushiki Kaisha Free cutting steel containing controlled inclusions and the method of making the same
JP2006089796A (en) * 2004-09-22 2006-04-06 Japan Fine Ceramics Center Oxidation resistant unit and oxidation resistant coating material
RU2625363C2 (en) * 2012-11-02 2017-07-13 Те Свотч Груп Рисерч Энд Дивелопмент Лтд Stainless steel free of nickel
WO2017077137A2 (en) * 2015-11-06 2017-05-11 Innomaq 21, S.L. Method for the economic manufacturing of metallic parts

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