CN103774024B - Light-high-strength Hardmetal materials and manufacture method thereof - Google Patents
Light-high-strength Hardmetal materials and manufacture method thereof Download PDFInfo
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- CN103774024B CN103774024B CN201410032286.1A CN201410032286A CN103774024B CN 103774024 B CN103774024 B CN 103774024B CN 201410032286 A CN201410032286 A CN 201410032286A CN 103774024 B CN103774024 B CN 103774024B
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Abstract
The invention discloses a kind of light-high-strength Hardmetal materials, it is characterized in that, each constituent percentage by weight is Co4～5%, TiC46～51%, TaC2.5～3%, NbC1～1.2%, MoC9～10%, Ni9～10%, Si3N40.3～0.5%, ZrC21.4～1.7%, WC19～22%.Light-high-strength Hardmetal materials of the present invention can be used for making the cutter of cutting metal and alloy material, has good wearability and red hardness, and cutter life is long.
Description
Technical field
The present invention relates to a kind of Hardmetal materials and manufacture method, particularly TiC base light-high-strength Hardmetal materials and manufacture method thereof.
Background technology
The hardness of TiC base cemented carbide is very high, has significantly high wearability, and coefficient of friction is also little, has higher oxidation resistance, higher thermostability and good chemical stability.But its plasticity_resistant deformation ability, anti-brittle failure ability, heat conductivity etc. are all poor, and abrasive wear resistant weld deposit performance is relatively low.Therefore its application is large in number and widely distributed not as WC base cemented carbide.Although Ti is (C, N) base cemented carbide is used as cutter material, it is suitable for cast iron, ordinary steel, glass hard steel are carried out high-speed cutting and DRY CUTTING, it is better than general carbide tool in some processing occasion performance, but appointing cutter life and be so difficult to suitable with carbide tool, especially the wearability of TiC base cemented carbide cutter and service life are undesirable.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the task of the present invention there are provided a kind of TiC base light-high-strength Hardmetal materials, improves the cutting-tool's used life adopting this material to make.Another task of the present invention is in that to provide the manufacture method of this light-high-strength Hardmetal materials.
The technical scheme is that such, a kind of light-high-strength Hardmetal materials, it is characterised in that each constituent percentage by weight is Co4～5%, TiC46～51%, TaC2.5～3.5%, NbC1～1.2%, MoC9～10%, Ni9～10%, Si3N40.3～0.5%, ZrC21.4～1.8%, WC19～22%.
Preferably, each constituent percentage by weight is Co5%, TiC49%, TaC3%, NbC1%, MoC10%, Ni10%, Si3N40.5%、ZrC21.5%、WC20%。
A kind of manufacture method of light-high-strength Hardmetal materials, comprise the following steps that: wet grinding after each constituent raw material is mixed, dried, add forming agent extruded, vacuum dewaxing and sintering, it is characterized in that, during described sintering, 240～250 DEG C are respectively reached in vacuum drying oven temperature, 540～550 DEG C, 20～30min it is incubated when 840～850 DEG C and 1200～1250 DEG C, after 50～60min is cooled to 1250～1300 DEG C, continues heating when vacuum drying oven temperature reaches 1400～1450 DEG C is incubated 50～60min to 1480～1500 DEG C, natural cooling subsequently.
Preferably, described forming agent is Polyethylene Glycol.
The light-high-strength Hardmetal materials of the present invention can be used for making the cutter of cutting metal and alloy material, has good wearability and red hardness, and cutter life is long.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
To meet percentage by weight is Co5%, TiC49%, TaC3%, NbC1%, MoC10%, Ni10%, Si3N40.5%、ZrC21.5%, after each component raw material of WC20% mixes fully, enter ball mill and carry out wet lapping；Compound after drying and grinding, adds Polyethylene Glycol forming agent extruded by extruder；Subsequently into dewaxing treatment in vacuum drying oven, and it is gradually heated to 1400 DEG C, insulation 20min when 240 DEG C, 540 DEG C, 840 DEG C and 1200 DEG C is wherein respectively reached when in-furnace temperature, when namely heating to 240 DEG C, insulation 20min then proceedes to heat and is again heated to 840 DEG C of insulation 20min to 540 DEG C of insulation 20min, is again heated to 1200 DEG C of insulation 20min heating to 1400 DEG C.After furnace temperature reaches 1400 DEG C, stop heating, after 50min cools to 1250 DEG C, reheat natural cooling after being incubated 50min to 1480 DEG C obtain bar.Testing after being processed into required cutter, processing stainless steel material, machining depth of cut 4mm, monolateral 50 μm, cutter life is 41m for processing distance.
Embodiment 2:
To meet percentage by weight is Co5%, TiC46%, TaC3.5%, NbC1.2%, MoC10%, Ni10%, Si3N40.5%、ZrC21.8%, after each component raw material of WC22% mixes fully, enter ball mill and carry out wet lapping；Compound after drying and grinding, adds Polyethylene Glycol forming agent extruded by extruder；Subsequently into dewaxing treatment in vacuum drying oven, and it is gradually heated to 1450 DEG C, insulation 30min when 250 DEG C, 550 DEG C, 850 DEG C and 1250 DEG C is wherein respectively reached when in-furnace temperature, when namely heating to 250 DEG C, insulation 30min then proceedes to heat and is again heated to 850 DEG C of insulation 30min to 550 DEG C of insulation 30min, is again heated to 1250 DEG C of insulation 30min heating to 1450 DEG C.After furnace temperature reaches 1450 DEG C, stop heating, after 60min cools to 1300 DEG C, reheat natural cooling after being incubated 60min to 1500 DEG C obtain bar.Testing after being processed into required cutter, processing stainless steel material, machining depth of cut 4mm, monolateral 50 μm, cutter life is 40.2m for processing distance.
Embodiment 3:
To meet percentage by weight is Co4%, TiC51%, TaC2.5%, NbC1.2%, MoC10%, Ni10%, Si3N40.3%、ZrC21.5%, after each component raw material of WC19.5% mixes fully, enter ball mill and carry out wet lapping；Compound after drying and grinding, adds Polyethylene Glycol forming agent extruded by extruder；Subsequently into dewaxing treatment in vacuum drying oven, and it is gradually heated to 1450 DEG C, insulation 25min when 245 DEG C, 545 DEG C, 845 DEG C and 1200 DEG C is wherein respectively reached when in-furnace temperature, when namely heating to 245 DEG C, insulation 25min then proceedes to heat and is again heated to 845 DEG C of insulation 25min to 545 DEG C of insulation 25min, is again heated to 1200 DEG C of insulation 25min heating to 1450 DEG C.After furnace temperature reaches 1450 DEG C, stop heating, after 55min cools to 1280 DEG C, reheat natural cooling after being incubated 55min to 1480 DEG C obtain bar.Testing after being processed into required cutter, processing stainless steel material, machining depth of cut 4mm, monolateral 50 μm, cutter life is 41.9m for processing distance.
Embodiment 4:
To meet percentage by weight is Co4.5%, TiC51%, TaC2.7%, NbC1%, MoC10%, Ni9%, Si3N40.4%、ZrC21.4%, after each component raw material of WC20% mixes fully, enter ball mill and carry out wet lapping；Compound after drying and grinding, adds Polyethylene Glycol forming agent extruded by extruder；Subsequently into dewaxing treatment in vacuum drying oven, and it is gradually heated to 1430 DEG C, insulation 30min when 240 DEG C, 540 DEG C, 840 DEG C and 1200 DEG C is wherein respectively reached when in-furnace temperature, when namely heating to 240 DEG C, insulation 30min then proceedes to heat and is again heated to 840 DEG C of insulation 30min to 540 DEG C of insulation 30min, is again heated to 1250 DEG C of insulation 30min heating to 1430 DEG C.After furnace temperature reaches 1430 DEG C, stop heating, after 50min cools to 1280 DEG C, reheat natural cooling after being incubated 55min to 1480 DEG C obtain bar.Testing after being processed into required cutter, processing stainless steel material, machining depth of cut 4mm, monolateral 50 μm, cutter life is 42m for processing distance.
Embodiment 5:
To meet percentage by weight is Co5%, TiC51%, TaC3%, NbC1%, MoC9%, Ni10%, Si3N40.5%、ZrC21.5%, after each component raw material of WC19% mixes fully, enter ball mill and carry out wet lapping；Compound after drying and grinding, adds Polyethylene Glycol forming agent extruded by extruder；Subsequently into dewaxing treatment in vacuum drying oven, and it is gradually heated to 1400 DEG C, insulation 20min when 240 DEG C, 540 DEG C, 840 DEG C and 1200 DEG C is wherein respectively reached when in-furnace temperature, when namely heating to 240 DEG C, insulation 20min then proceedes to heat and is again heated to 840 DEG C of insulation 20min to 540 DEG C of insulation 20min, is again heated to 1200 DEG C of insulation 20min heating to 1400 DEG C.After furnace temperature reaches 1400 DEG C, stop heating, after 60min cools to 1250 DEG C, reheat natural cooling after being incubated 60min to 1500 DEG C obtain bar.Testing after being processed into required cutter, processing stainless steel material, machining depth of cut 4mm, monolateral 50 μm, cutter life is 41.2m for processing distance.
Claims (3)
1. the manufacture method of a light-high-strength Hardmetal materials, comprise the following steps that: wet grinding after the raw material of each constituent percentage by weight being mixed, dried, interpolation forming agent are extruded, vacuum dewaxing and sintering, it is characterised in that: each constituent percentage by weight is Co4～5%, TiC49～51%, TaC2.5～3%, NbC1～1.2%, MoC9～10%, Ni9～10%, Si3N40.3～0.5%, ZrC21.4～1.7%, WC19～22%, during described sintering, insulation 20～30min when 240～250 DEG C, 540～550 DEG C, 840～850 DEG C and 1200～1250 DEG C is respectively reached in vacuum drying oven temperature, after 50～60min is cooled to 1250～1300 DEG C, continues heating when vacuum drying oven temperature reaches 1400～1450 DEG C is incubated 50～60min, subsequently natural cooling to 1480～1500 DEG C.
2. the manufacture method of light-high-strength Hardmetal materials according to claim 1, it is characterised in that: described forming agent is Polyethylene Glycol.
3. the manufacture method of light-high-strength Hardmetal materials according to claim 1, it is characterised in that: each constituent percentage by weight is Co5%, TiC49%, TaC3%, NbC1%, MoC10%, Ni10%, Si3N40.5%, ZrC21.5%, WC20%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779717A (en) * | 2017-09-20 | 2018-03-09 | 苏州瑞森硬质合金有限公司 | Light-high-strength titanium-based fine grain hard alloy bar material and its preparation technology |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112698A (en) * | 2015-08-27 | 2015-12-02 | 苏州瑞森硬质合金有限公司 | Manufacturing method for lightweight high-strength hard alloy bar |
| CN105112757A (en) * | 2015-08-27 | 2015-12-02 | 苏州瑞森硬质合金有限公司 | Light long-service-life high-strength hard alloy material and manufacturing method |
| CN106282627A (en) * | 2016-08-30 | 2017-01-04 | 苏州瑞森硬质合金有限公司 | Light hard alloy material and manufacture method thereof |
| CN113025863A (en) * | 2021-02-02 | 2021-06-25 | 浙江恒成硬质合金有限公司 | Roller and manufacturing method thereof |
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| CN101255520A (en) * | 2008-04-07 | 2008-09-03 | 株洲钻石切削刀具股份有限公司 | Nano WC-Co composite powder modified Ti(CN) based metal ceramic and preparation thereof |
| CN101316941A (en) * | 2005-08-19 | 2008-12-03 | 杰出金属实业公司 | Hardmetal materials for high-temperature applications |
| CN103121312A (en) * | 2011-11-19 | 2013-05-29 | 大连得达科技发展有限公司 | Alloy material for making cutter |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101316941A (en) * | 2005-08-19 | 2008-12-03 | 杰出金属实业公司 | Hardmetal materials for high-temperature applications |
| CN101255520A (en) * | 2008-04-07 | 2008-09-03 | 株洲钻石切削刀具股份有限公司 | Nano WC-Co composite powder modified Ti(CN) based metal ceramic and preparation thereof |
| CN103121312A (en) * | 2011-11-19 | 2013-05-29 | 大连得达科技发展有限公司 | Alloy material for making cutter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779717A (en) * | 2017-09-20 | 2018-03-09 | 苏州瑞森硬质合金有限公司 | Light-high-strength titanium-based fine grain hard alloy bar material and its preparation technology |
| CN107779717B (en) * | 2017-09-20 | 2019-05-14 | 苏州瑞森硬质合金有限公司 | Light-high-strength titanium-based fine grain hard alloy bar material and its preparation process |
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