CN106493467B - A kind of stirring-head thermal fatigue resistance material - Google Patents

A kind of stirring-head thermal fatigue resistance material Download PDF

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Publication number
CN106493467B
CN106493467B CN201611220610.8A CN201611220610A CN106493467B CN 106493467 B CN106493467 B CN 106493467B CN 201611220610 A CN201611220610 A CN 201611220610A CN 106493467 B CN106493467 B CN 106493467B
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China
Prior art keywords
stirring
head
thermal fatigue
fatigue resistance
resistance material
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CN106493467A (en
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唐远金
徐安莲
杜彦斌
陈康
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Chongqing Send Special Mechanical And Electrical Co Ltd
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Chongqing Send Special Mechanical And Electrical Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
    • B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/308—Fe as the principal constituent with Cr as next major constituent
    • B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The present invention relates to stirring-head Material Fields, disclose a kind of stirring-head thermal fatigue resistance material, comprise the following raw materials by weight percent：C 0.20-0.50%, Si 0.5-2.5%, Mn 0.1-1.0%, Cr 3.0-6.0%, Mo 1.0-3.0%, V 1.5-3.5%, Ti 0.5-2.5%, Y 0.01-0.80%, Ce 0.01-0.80%, B 0.001-0.008%, Nb 0.02-0.50%, In 0.05-0.8%, P≤0.03%, S≤0.03%, surplus are iron and impurity.Stirring head material of the invention has excellent obdurability and thermal fatigue resistance under the premise of having both excellent high temperature abrasion resistance properties, does not deform or is broken under high torque effect, hence it is evident that improves the service life of stirring-head, reduces enterprise's production cost.

Description

A kind of stirring-head thermal fatigue resistance material
Technical field
The present invention relates to stirring-head Material Field more particularly to a kind of stirring-head thermal fatigue resistance materials
Background technique
Stirring-head is the key that agitating friction welding technology, is known as the heart of agitating friction weldering.The quality of stirring-head is not only It determines the performance of friction stir welding, and decides the production cost of agitating friction weldering.Stirring-head is by the shaft shoulder, clamping part Divide and mixing needle forms.During agitating friction weldering, mixing needle will be rotating at the combination interface of insertion materials to be welded, and Advance under certain speed along weld seam.Therefore, when agitating friction welds, the working environment of mixing needle is more severe, to wear resistance Can, especially high-temperature wearable damage performance requirement is high.
Domestic most common stirring head material is H13 steel.But the high temperature of the stirring-head of H13 steel production in the welding process Under heat fatigue effect, the transition position being connected positioned at mixing needle root with the shaft shoulder forms tired source, when materials such as progress aluminum bronze, red coppers Butt welding when, due in the case where high torque is acted on along the fracture of root of clamp area and mixing needle.
The high nitrogen steel for disclosing a kind of agitating friction weldering application No. is 201510991313.2 Chinese invention patent is stirred Mix head and its manufacturing process.The high nitrogen Steel material of the stirring-head by weight percentage, contains following element：Mn：16-19%； Cr：20-30%；N：0.5-0.9%；Mo：1.5-2.5%；Ni：≤ 0.2%；S：≤ 0.03%；P：≤ 0.03%；C：≤ 0.03%；Si：≤ 0.4%, surplus is iron and inevitable impurity.The high nitrogen steel strength of materials height, creep resistant, fatigue behaviour Good, the stirring-head intensity using material production is high, benefits from that the service life is long, and heat production is stablized, and can satisfy the low melting points such as aluminium alloy has Requirement of the non-ferrous metal to stirring-head performance.
But above-mentioned stirring head material is used for the low melting points non-ferrous metal welding such as aluminium alloy, and the stirring-head material Material is not to be with the characteristics of high tenacity and thermal fatigue resistance, therefore when carrying out the butt welding of the materials such as aluminum bronze, red copper, in larger torsion It is easily broken off under square effect along the root of clamp area and mixing needle.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of stirring-head thermal fatigue resistance materials.Of the invention stirs Head material is mixed under the premise of having both excellent high temperature abrasion resistance properties, there is excellent obdurability and thermal fatigue resistance, larger It does not deform or is broken under torque effect, hence it is evident that improve the service life of stirring-head, reduce enterprise's production cost.
The specific technical solution of the present invention is：A kind of stirring-head thermal fatigue resistance material, by the original of following weight percent Material composition：C 0.20-0.50%, Si 0.5-2.5%, Mn 0.1-1.0%, Cr 3.0-6.0%, Mo 1.0-3.0%, V 1.5-3.5%, Ti 0.5-2.5%, Y 0.01-0.80%, Ce 0.01-0.80%, B 0.001-0.008%, Nb 0.02- 0.50%, In 0.05-0.8%, P≤0.03%, S≤0.03%, surplus are iron and inevitable impurity.It is described to keep away Exempt from content≤0.10% of impurity.
The invention of this life has carried out stringent regulation to the content of each element in stirring head material so that stirring-head have both it is excellent Under the premise of high-temperature wearable damages performance, there is excellent obdurability, do not deform or be broken under high torque effect, hence it is evident that Improve the service life of stirring-head.Wherein, in stirring head material：
The main function of carbon (C) is to maintain the preferable intensity of material.
The main function of silicon (Si) is and to improve the elastic limit of steel as reducing agent and deoxidier, and yield point, tension are strong Degree and antioxygenic property.
The main function of manganese (Mn) is and to improve the obdurability of material as deoxidier and desulfurizing agent, improves the heat of material Processing performance.
The main function of chromium (Cr) is intensity, hardness, wearability, inoxidizability and the corrosion resistance for improving material.
The main function of molybdenum (Mo) is refinement crystal grain, improves the harden ability and thermostrength of material, makes material at high temperature Keep enough intensity and creep resisting ability.
The main function of vanadium (V) is and to refine crystal grain as excellent deoxidier, improves intensity and toughness.
The main function of titanium (Ti) be as strong deoxidier, and make steel dense internal organization, refinement crystal grain, reduce timeliness Sensibility and cold brittleness.
Main use of yttrium (Y) and cerium (Ce) is composition, form, distribution and the property for changing field trash in material, thus Improve toughness, cold-forming property and the abrasion resistance properties of material.
The main function of boron (B) is the compactness for improving material, improves intensity.
The main function of niobium (Nb) be refine crystal grain, reduce material superheated susceptivity and temper brittleness, improve intensity and Corrosion resistance.
The main function of indium (In) is the toughness for improving material.
During the preparation process, melting, heat treatment all use conventional method to stirring-head of the invention.
Preferably, above-mentioned stirring-head is comprised the following raw materials by weight percent with thermal fatigue resistance material：C 0.25- 0.45%, Si 0.65-2.35%, Mn 0.2-0.9%, Cr 3.5-5.5%, Mo 1.2-2.8%, V 1.8-3.2%, Ti 0.8-2.2%, Y 0.05-0.65%, Ce 0.05-0.65%, B 0.002-0.007%, Nb 0.05-0.45%, In 0.1- 0.7%, P≤0.02%, S≤0.02%, surplus are iron and inevitable impurity, content≤0.10% of the impurity.
As further preferred, above-mentioned stirring-head is comprised the following raw materials by weight percent with thermal fatigue resistance material：C 0.30-0.42%, Si 0.7-2.2%, Mn 0.3-0.8%, Cr 3.8-5.0%, Mo 1.4-2.6%, V 1.9-3.1%, Ti 0.9-2.1%, Y 0.06-0.60%, Ce 0.06-0.60%, B 0.003-0.006%, Nb 0.06-0.42%, In 0.15-0.65%, P≤0.01%, S≤0.01%, surplus are iron and inevitable impurity, the content of the impurity≤ 0.10%.
It is compared with the prior art, the beneficial effects of the invention are as follows：Stirring head material of the invention is to have both excellent high temperature resistance to Under the premise of polishing machine, there is excellent obdurability and thermal fatigue resistance, stirring-head can effectively be avoided to carry out aluminum bronze, purple When the butt welding of the materials such as copper, since along the root of clamp area and mixing needle, deformation occurs or fracture for high torque effect, thus Extend stirring-head service life, reduces enterprise's production cost.
Specific embodiment
The present invention will be further described with reference to the examples below.
Embodiment 1
A kind of stirring-head thermal fatigue resistance material, comprises the following raw materials by weight percent：C 0.35%, Si 1.5%, Mn 0.55%, Cr 4.5%, Mo 2.0%, V 2.5%, Ti 1.5%, Y 0.40%, Ce 0.40%, B 0.005%, Nb 0.26%, In 0.43%, P 0.01%, S 0.005%, inevitable impurity 0.08%, surplus Fe.
Embodiment 2
A kind of stirring-head thermal fatigue resistance material, comprises the following raw materials by weight percent：C 0.20%, Si 2.5%, Mn 0.1%, Cr 6.0%, Mo 1.0%, V 3.5%, Ti 0.5%, Y 0.80%, Ce 0.01%, B 0.008%, Nb 0.02%, In 0.8%, P 0.03%, S 0.03%, inevitable impurity 0.08%, surplus Fe.
Embodiment 3
A kind of stirring-head thermal fatigue resistance material, comprises the following raw materials by weight percent：C0.50%, Si 0.5%, Mn 1.0%, Cr 3.0%, Mo 3.0%, V 1.5%, Ti 2.5%, Y 0.01%, Ce 0.80%, B 0.001%, Nb 0.50%, In 0.05%, P 0.01%, S 0.01%, inevitable impurity 0.08%, surplus Fe.
Embodiment 4
A kind of stirring-head thermal fatigue resistance material, comprises the following raw materials by weight percent：C 0.40%, Si 1.35%, Mn 0.50%, Cr 4.0%, Mo 2.4%, V 2.2%, Ti 1.8%, Y 0.45%, Ce 0.15%, B 0.004%, Nb 0.28%, In 0.55%, P 0.005%, S 0.005%, inevitable impurity 0.08%, surplus Fe.
Embodiment 5
A kind of stirring-head thermal fatigue resistance material, comprises the following raw materials by weight percent：C 0.38%, Si 1.55%, Mn 0.60%, Cr 4.5%, Mo 2.0%, V 2.5%, Ti 1.6%, Y 0.30%, Ce 0.30%, B 0.005%, Nb 0.20%, In 0.45%, P 0.005%, S 0.005%, inevitable impurity 0.08%, surplus Fe.
Embodiment 6
A kind of stirring-head thermal fatigue resistance material, comprises the following raw materials by weight percent：C 0.34%, Si 1.15%, Mn 0.65%, Cr 4.7%, Mo 2.1%, V 2.7%, Ti 1.9%, Y 0.20%, Ce 0.38%, B 0.004%, Nb 0.15%, In 0.40%, P 0.005%, S 0.008%, inevitable impurity 0.08%, surplus Fe.
A kind of stirring-head thermal fatigue resistance material described in each embodiment is compared with the test data of H13 Steel material：
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field；In the present invention Method therefor is unless otherwise noted the conventional method of this field.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side The protection scope of case.

Claims (1)

1. a kind of stirring-head thermal fatigue resistance material, it is characterised in that comprise the following raw materials by weight percent：C 0.30- 0.42%, Si 0.7-2.2%, Mn 0.3-0.8%, Cr 3.8-5.0%, Mo 1.4-2.6%, V1.9-3.1%, Ti 0.9- 2.1%, Y 0.06-0.60%, Ce 0.06-0.60%, B 0.003-0.006%, Nb 0.06-0.42%, In 0.15- 0.65%, P≤0.01%, S≤0.01%, surplus are iron and inevitable impurity, content≤0.10% of the impurity.
CN201611220610.8A 2016-12-26 2016-12-26 A kind of stirring-head thermal fatigue resistance material Active CN106493467B (en)

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CN108118246A (en) * 2017-12-28 2018-06-05 重庆派馨特机电有限公司 A kind of anti-fracture wear-resistant steel alloy of high tenacity
CN111570994B (en) * 2020-05-22 2021-04-16 燕山大学 Experimental device and experimental method for detecting service life of friction stir welding stirring head

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JP2006297398A (en) * 2005-04-15 2006-11-02 Nippon Steel Corp Friction-welded member having excellent fatigue resistant property, and method for improving fatigue resistant property
CA2641029A1 (en) * 2006-01-31 2007-08-09 Genius Metal, Inc. High-performance friction stir welding tools
JP2011001599A (en) * 2009-06-18 2011-01-06 Kobe Steel Ltd Steel for machine structure suitable to friction pressure welding, method for producing the same, and friction pressure-welded component
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CN103328670A (en) * 2010-12-28 2013-09-25 埃克森美孚研究工程公司 High manganese containing steels for oil gas and petrochemical applications
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JP2006297398A (en) * 2005-04-15 2006-11-02 Nippon Steel Corp Friction-welded member having excellent fatigue resistant property, and method for improving fatigue resistant property
CA2641029A1 (en) * 2006-01-31 2007-08-09 Genius Metal, Inc. High-performance friction stir welding tools
JP2011001599A (en) * 2009-06-18 2011-01-06 Kobe Steel Ltd Steel for machine structure suitable to friction pressure welding, method for producing the same, and friction pressure-welded component
JP2011184742A (en) * 2010-03-09 2011-09-22 Kobe Steel Ltd Steel for machine structure suitable for friction pressure welding, and friction pressure-welded component
WO2012086489A1 (en) * 2010-12-22 2012-06-28 住友電気工業株式会社 Rotating tool
CN103328670A (en) * 2010-12-28 2013-09-25 埃克森美孚研究工程公司 High manganese containing steels for oil gas and petrochemical applications
CN102676752A (en) * 2012-05-08 2012-09-19 无锡宏达热处理锻造有限公司 Thermal treatment process for die steel H13 of automobile forged piece
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Address after: 400000 No.2-3, building 6, No.39 Xinggu Road, Jiulongpo District, Chongqing

Patentee after: CHONGQING POTENT ELECTRICAL AND MECHANICAL Co.,Ltd.

Address before: B108, incubation base, 3 / F, Wanchang international commercial city, 77-1 and 77-4, No. 17, Shiqiaopu Shiyang Road, Jiulongpo District, Chongqing

Patentee before: CHONGQING POTENT ELECTRICAL AND MECHANICAL Co.,Ltd.