CN106626600A - Hard metal material - Google Patents

Hard metal material Download PDF

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Publication number
CN106626600A
CN106626600A CN201610977542.3A CN201610977542A CN106626600A CN 106626600 A CN106626600 A CN 106626600A CN 201610977542 A CN201610977542 A CN 201610977542A CN 106626600 A CN106626600 A CN 106626600A
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China
Prior art keywords
layer
hard
metal material
alloy
alloy layer
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Pending
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CN201610977542.3A
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Chinese (zh)
Inventor
易大伟
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Xian University of Science and Technology
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Xian University of Science and Technology
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Priority to CN201610977542.3A priority Critical patent/CN106626600A/en
Publication of CN106626600A publication Critical patent/CN106626600A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness

Abstract

The invention discloses a hard metal material. The hard metal material is made from carbon tungsten alloy and further comprises an upper iron-based alloy layer and a lower iron-based alloy layer which are arranged on the outer surface, wherein the iron-based alloy layers are made from high-chromium galvanized iron, austenitic manganese steel, a superheat resisting alloy, stainless steel and hardfacing. The hard metal material further comprises a carbonized metal layer arranged between the upper iron-base alloy layer and a hard alloy layer, and the carbonized metal layer and the hard alloy layer are melted at high temperature and laminated. The hard metal material further comprises a first light metal material layer arranged between the upper iron-based alloy layer and the carbonized metal layer and a second light metal material layer arranged between the lower iron-based alloy layer and the hard alloy layer, wherein the light metal material layers are made from an aluminum-magnesium alloy. The hardness of hard alloys higher than that of a single alloy, besides, the aluminum-magnesium alloy is also added, and accordingly, the hard metal material has the characteristics of better heat dissipation performance, higher compression resistance, superhigh hardness and the like.

Description

A kind of hard metal material
Technical field
The present invention relates to metallic composite technical field, more particularly to a kind of hard metal material.
Background technology
Antifriction metal (AFM) alloy, such as high chromium white are utilized in the part that manufacture is used in mining and mineral processing industry application Ferrum.For example, the Ore of exploitation is being transported into on the base of the dump truck of minerals processing plant formation stiff dough conjunction from ore deposit factory position Gold.In another example, the ore particles for suspending in water slurry is conveyed through ore processing by antifriction alloy foundry goods for being formed Process segment in the flotation circuit of factory.
It is different to the fracture toughness of antifriction alloy in above-mentioned each example and the requirement of corrosion resistance, and therefore, The antifriction alloy composition is different.
Alloy makes high hardness alloy by various dystectic carbides or high-melting-point alloy in prior art, also, The ductility of alloy is difficult to ensure that.
The content of the invention
Present invention aims to above-mentioned the deficiencies in the prior art, the present invention proposes a kind of hard metal material.
A kind of hard metal material proposed by the present invention, it is diamondite；
Also include being arranged on the upper ferrous alloy layer of outer surface, lower ferrous alloy layer；Described ferrous alloy layer includes height Chromium galvanized iron, austenitic manganese steel, superalloy, rustless steel and hard-face overlaying welding；
Also include being arranged on metal-carbide layer between iron alloy layer and hard alloy layer, described metal-carbide layer with Hard alloy layer high-temperature fusion, laminating；Wherein, described metal-carbide layer is the dimension that niobium carbide and titanium carbide respectively have about 2500 Family name's hardness；
Also include the first lightweight metal material layer being arranged between ferrous alloy layer and metal-carbide layer, and be arranged on The second lightweight metal material layer between lower ferrous alloy layer and hard alloy layer；Lightweight metal material layer is almag.
The thickness of two ferrous alloy layers is 2-3mm, and the thickness of lightweight metal material layer is 0.5-0.8mm, hard metal Layer is 2.5-3.5mm, and the thickness of carburization zone is 1-2mm.
Further, manufacturing process is：
Step 1, hard alloy is mixed with metal-carbide according to the weight of above-mentioned metal layer thickness it is placed in 3400 DEG C -3600 At a high temperature of appropriate gas atmosphere in, high-temperature fusion 1-2h；Reacting gas composition is easy to form product with element, wherein Metallic element may reside in alloying component；
Step 2, by almag high-temperature heating to 1000-1100 DEG C, the almag of heating is placed in above-mentioned steps 1 The appearance of the mixture of formation, keeping temperature 1000-1100 DEG C, minute time 30-40；
Step 3, iron(-)base powder is placed in above-mentioned steps 2 almag surface respectively, 250-300MPa high pressure Extruding, ferrous alloy merges completely with almag, is warming up to 1200-1400 DEG C, is incubated 1-2h；The high extrusions of 280-300MPa Pressure.
Technology compares beneficial effect in the present invention：A kind of hard metal material of the present invention, is put using the almag of low melting point Between dystectic diamondite, ferrous alloy layer, play a part of binding agent, either austenite or tungsten carbide are closed Jin Jun by and almag combination, integral hardness be higher than austenitic steel, also above diamondite.
The Cemented Carbide Hardness of the present invention is higher than the hardness of single alloy, also, because the present invention has merged magnalium conjunction Gold, also with thermal diffusivity preferably, the crushing resistance relatively hardness of strong and superelevation the features such as.
Description of the drawings
Fig. 1 is the structural representation of double metallic composite material proposed by the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, but does not constitute to any of the present invention Limit.
The embodiment of the present invention includes hard metal layer 3, and it is diamondite；
Also include being arranged on the upper ferrous alloy layer 1 of outer surface, lower ferrous alloy layer 4；Described ferrous alloy layer includes High chromium galvanized iron, austenitic manganese steel, superalloy, rustless steel and hard-face overlaying welding；
Also include the metal-carbide layer 2 being arranged between iron alloy layer 1 and hard alloy layer 3, described metal-carbide Layer 2 and the high-temperature fusion of hard alloy layer 3, laminating；Wherein, described metal-carbide layer 2 is that niobium carbide and titanium carbide respectively have about 2500 Vickers is hard (HV), and it exceedes chromium carbide hardness about 1000HV.Therefore, with particles of niobium carbide containing 10-40wt% and/or The hard metal material of the micro structure of niobium carbide/titanium granule has excellent wearability.
Also include the first lightweight metal material layer 12 being arranged between ferrous alloy layer 1 and metal-carbide layer 2, and set Put the second lightweight metal material layer 34 between lower ferrous alloy layer 4 and hard alloy layer 3；In the present embodiment, lightweight gold Category material layer is almag.
In embodiments of the present invention, the thickness of two ferrous alloy layers is 2-3mm, and the thickness of lightweight metal material layer is 0.5-0.8mm, hard metal layer is 2.5-3.5mm, and the thickness of carburization zone is 1-2mm.
The embodiment of the present invention make above-mentioned hard metal material when, the basic process for adopting for：
Step 1, hard alloy is mixed with metal-carbide according to the weight of above-mentioned metal layer thickness it is placed in 3400 DEG C -3600 At a high temperature of appropriate gas atmosphere in, high-temperature fusion 1-2h；Reacting gas composition is easy to form product with element, wherein Metallic element may reside in alloying component；
Step 2, by almag high-temperature heating to 1000-1100 DEG C, the almag of heating is placed in above-mentioned steps 1 The appearance of the mixture of formation, keeping temperature 1000-1100 DEG C, minute time 30-40；
Step 3, iron(-)base powder is placed in above-mentioned steps 2 almag surface respectively, 250-300MPa high pressure Extruding, ferrous alloy merges completely with almag, is warming up to 1200-1400 DEG C, is incubated 1-2h；The high extrusions of 280-300MPa Pressure.
In the embodiment of the present invention, dystectic diamondite, ferrous alloy layer are placed in using the almag of low melting point Between, play a part of binding agent, either austenite or diamondite by and almag combination, it is overall hard Degree is higher than austenitic steel, also above diamondite.
Illustrate below by embodiment：
Embodiment one
Step 1, diamondite is mixed with metal-carbide according to the weight of above-mentioned metal layer thickness it is placed in 3400 DEG C In appropriate gas atmosphere under high temperature, high-temperature fusion 2h；Reacting gas composition is easy to form product, gold therein with element Category element may reside in alloying component；
Step 2, by almag high-temperature heating to 1000 DEG C, by the almag of heating be placed in above-mentioned steps 1 formed Mixture appearance, 1000 DEG C of keeping temperature, 30 minutes time；
Step 3, high chromium galvanized iron powder is placed in above-mentioned steps 2 almag surface respectively, 250MPa high-pressure extrusions, Ferrous alloy merges completely with almag, is warming up to 1200 DEG C, is incubated 1h；280MPa high-pressure extrusions.
High chromium galvanized iron powder, diamondite, the hardness of final obtained alloy are measured respectively.
Embodiment two
Step 1, diamondite is mixed with metal-carbide according to the weight of above-mentioned metal layer thickness it is placed in 3600 DEG C In appropriate gas atmosphere under high temperature, high-temperature fusion 1h；Reacting gas composition is easy to form product, gold therein with element Category element may reside in alloying component；
Step 2, by almag high-temperature heating to 1100 DEG C, by the almag of heating be placed in above-mentioned steps 1 formed Mixture appearance, 1100 DEG C of keeping temperature, 30 minutes time；
Step 3, austenitic manganese powdered steel is placed in above-mentioned steps 2 almag surface respectively, the high extrusions of 280MPa Pressure, ferrous alloy merges completely with almag, is warming up to 1200 DEG C, is incubated 1h；280MPa high-pressure extrusions.
Austenitic manganese steel, diamondite, the hardness of final obtained alloy are measured respectively.
Embodiment three
Step 1, diamondite is mixed with metal-carbide according to the weight of above-mentioned metal layer thickness it is placed in 3500 DEG C In appropriate gas atmosphere under high temperature, high-temperature fusion 1h；Reacting gas composition is easy to form product, gold therein with element Category element may reside in alloying component；
Step 2, by almag high-temperature heating to 1000 DEG C, by the almag of heating be placed in above-mentioned steps 1 formed Mixture appearance, 1000 DEG C of keeping temperature, 40 minutes time；
Step 3, powder of stainless steel is placed in above-mentioned steps 2 almag surface respectively, 250MPa high-pressure extrusions, ferrum Based alloy merges completely with almag, is warming up to 1100 DEG C, is incubated 1h；280MPa high-pressure extrusions.
Rustless steel, diamondite, the hardness of final obtained alloy are measured respectively.
The alloy rigidity synopsis of each embodiment of table 1
By above table, the Cemented Carbide Hardness of the present invention is higher than the hardness of single alloy, also, due to this Magnalium has been merged in invention, also with thermal diffusivity preferably, the crushing resistance relatively hardness of strong and superelevation the features such as.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.

Claims (2)

1. a kind of hard metal material, it is characterised in that including hard metal layer, it is diamondite；
Also include being arranged on the upper ferrous alloy layer of outer surface, lower ferrous alloy layer；Described ferrous alloy layer includes that high chromium is white Ferrum, austenitic manganese steel, superalloy, rustless steel and hard-face overlaying welding；
Also include being arranged on metal-carbide layer between iron alloy layer and hard alloy layer, described metal-carbide layer and hard Alloy-layer high-temperature fusion, laminating；Wherein, described metal-carbide layer is that niobium carbide and titanium carbide respectively have about 2500 Vickers hard Degree；
Also include the first lightweight metal material layer being arranged between ferrous alloy layer and metal-carbide layer, and be arranged on lower ferrum The second lightweight metal material layer between based alloy layer and hard alloy layer；Lightweight metal material layer is almag；
The thickness of two ferrous alloy layers is 2-3mm, and the thickness of lightweight metal material layer is 0.5-0.8mm, and hard metal layer is 2.5-3.5mm, the thickness of carburization zone is 1-2mm.
2. hard metal material according to claim 1, it is characterised in that manufacturing process is：
Step 1, hard alloy and metal-carbide are mixed the height being placed in 3400 DEG C -3600 according to the weight of above-mentioned metal layer thickness In appropriate gas atmosphere under temperature, high-temperature fusion 1-2h；Reacting gas composition is easy to form product, gold therein with element Category element may reside in alloying component；
Step 2, by almag high-temperature heating to 1000-1100 DEG C, by the almag of heating be placed in above-mentioned steps 1 formed Mixture appearance, keeping temperature 1000-1100 DEG C, minute time 30-40；
Step 3, iron(-)base powder is placed in above-mentioned steps 2 almag surface respectively, 250-300MPa high-pressure extrusions, Ferrous alloy merges completely with almag, is warming up to 1200-1400 DEG C, is incubated 1-2h；280-300MPa high-pressure extrusions.
CN201610977542.3A 2016-11-08 2016-11-08 Hard metal material Pending CN106626600A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107774985A (en) * 2017-10-19 2018-03-09 西安科技大学 A kind of metal composite high-abrasive material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008103688A1 (en) * 2007-02-22 2008-08-28 Kennametal Inc. Composite materials comprising a hard ceramic phase and a cu-ni-sn infiltration alloy
US20130039800A1 (en) * 2010-02-05 2013-02-14 Weir Minerals Australia Ltd Hard metal materials
CN103273690A (en) * 2013-05-23 2013-09-04 昆山乔锐金属制品有限公司 High-rigidity composite metal material
CN104044310A (en) * 2014-06-13 2014-09-17 苏州汉力新材料有限公司 Composite metal material with excellent wear resistance
CN104085147A (en) * 2014-06-17 2014-10-08 张家港市橡燊达机械有限公司 High-toughness abrasion-resistant composite metal material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008103688A1 (en) * 2007-02-22 2008-08-28 Kennametal Inc. Composite materials comprising a hard ceramic phase and a cu-ni-sn infiltration alloy
US20130039800A1 (en) * 2010-02-05 2013-02-14 Weir Minerals Australia Ltd Hard metal materials
CN103273690A (en) * 2013-05-23 2013-09-04 昆山乔锐金属制品有限公司 High-rigidity composite metal material
CN104044310A (en) * 2014-06-13 2014-09-17 苏州汉力新材料有限公司 Composite metal material with excellent wear resistance
CN104085147A (en) * 2014-06-17 2014-10-08 张家港市橡燊达机械有限公司 High-toughness abrasion-resistant composite metal material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘朝福: "《工程材料》", 30 September 2015 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107774985A (en) * 2017-10-19 2018-03-09 西安科技大学 A kind of metal composite high-abrasive material

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Application publication date: 20170510