CN103567440A - Preparation method for tungsten carbide target material for film coating of oil exploration drill bit - Google Patents

Preparation method for tungsten carbide target material for film coating of oil exploration drill bit Download PDF

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Publication number
CN103567440A
CN103567440A CN201310356367.2A CN201310356367A CN103567440A CN 103567440 A CN103567440 A CN 103567440A CN 201310356367 A CN201310356367 A CN 201310356367A CN 103567440 A CN103567440 A CN 103567440A
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CN
China
Prior art keywords
tungsten carbide
drill bit
target material
carbide target
oil exploration
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Pending
Application number
CN201310356367.2A
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Chinese (zh)
Inventor
白锋
于洋
彭福生
赖亚洲
宋久鹏
赵国璋
林志奇
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HONGLU TUNGSTEN MOLYBDENUM INDUSTRY Co Ltd SHIAMEN
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HONGLU TUNGSTEN MOLYBDENUM INDUSTRY Co Ltd SHIAMEN
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Priority to CN201310356367.2A priority Critical patent/CN103567440A/en
Publication of CN103567440A publication Critical patent/CN103567440A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a preparation method for a tungsten carbide target material for film coating of an oil exploration drill bit. The preparation method comprises the steps of 1) containing tungsten carbide powder with purity of 99.999 percent into a graphite mold and performing pre-cold pressing; 2) putting the graphite mold which contains the pre-cold pressed tungsten carbide powder into a discharge plasma furnace, increasing temperature to 1600-2200DEG C in a protection atmosphere; 3) performing quick discharging in the discharge plasma furnace to form a short circuit to instantly sinter the tungsten carbide powder to form a semi-finished tungsten carbide target material with fine and uniform grains; 4) taking out the semi-finished tungsten carbide target material after the semi-finished tungsten carbide target material is cooled together with the furnace, and performing machining according to requirements to obtain the tungsten carbide target material. The grains of the tungsten carbide target material prepared by using the method are uniform and fine, the strength and the wear resistance of the oil exploration drill bit can be remarkably improved and the service life of the oil exploration drill bit is prolonged.

Description

A kind of preparation method of the tungsten carbide target for oil exploration drill bit plated film
Technical field
The invention belongs to material processing field, be specifically related to a kind of preparation method of the tungsten carbide target for oil exploration drill bit plated film.
Background technology
Oil exploration industry drill bit used needs high strength, high-wearing feature.Traditional carbide drill hardness and wear resistance still can not satisfy the demands, so adopt the method for plated film to realize.
Summary of the invention
Object of the present invention is providing a kind of preparation method of the tungsten carbide target for oil exploration drill bit plated film
Technical scheme of the present invention is as follows:
A preparation method for the tungsten carbide target of oil exploration drill bit plated film, comprises the steps:
(1) tungsten carbide powder of purity 99.999% is packed in graphite jig, cold pressing pre-;
(2) graphite jig being equipped with through the pre-tungsten carbide powder of colding pressing is put into plasma discharging stove, under protective atmosphere, be warming up to 1600-2200 ℃;
(3) in above-mentioned plasma discharging stove, carry out repid discharge to form short circuit, the above-mentioned tungsten carbide powder of moment sintering, forms the tiny uniform tungsten carbide target blank of crystal grain;
(4) above-mentioned blank is with the cooling rear taking-up of stove, and carries out on request machining, obtains described tungsten carbide target.
In a preferred embodiment of the invention, the Fei Shi particle mean size of described tungsten carbide powder is 1.0-10.0 μ m.
In a preferred embodiment of the invention, described protective atmosphere is argon gas atmosphere.
The invention has the beneficial effects as follows:
The uniform crystal particles of the tungsten carbide target that 1, prepared by method of the present invention is tiny, can significantly improve intensity and the wearability of oil exploration drill bit, extends its service life;
2, the preparation time of method of the present invention is short, completes and only needs 3 hours from starting to sintering, has improved production efficiency;
3, method of the present invention can not produce the pollutants such as any waste material spent acid, meets the demand of production environmental protection.
Accompanying drawing explanation
Fig. 1 is the micro-organization chart of the prepared tungsten carbide target of the embodiment of the present invention 1;
Fig. 2 is the micro-organization chart of the prepared tungsten carbide target of the embodiment of the present invention 2.
The specific embodiment
By the specific embodiment, technical scheme of the present invention is further detailed and is described below.
Embodiment 1
(1) by Fei Shi particle mean size, be that the tungsten carbide powder of the purity 99.999% of 10.0 μ m packs in graphite jig, with hydraulic press, cold pressing in advance;
(2) graphite jig being equipped with through the tungsten carbide powder of pre-cold-press moulding is put into plasma discharging stove, under argon shield atmosphere, be warming up to 1600-2200 ℃;
(3) in above-mentioned plasma discharging stove, carry out repid discharge to form short circuit, the above-mentioned tungsten carbide powder of moment sintering, forms the tiny uniform tungsten carbide target blank of crystal grain;
(4) above-mentioned blank is with the cooling rear taking-up of stove, and carries out machining by customer requirement, obtains described tungsten carbide target, and the micro-organization chart of this tungsten carbide target as shown in Figure 1.
Embodiment 2
(1) by Fei Shi particle mean size, be that the tungsten carbide powder of the purity 99.999% of 5.0 μ m packs in graphite jig, with hydraulic press, cold pressing in advance;
(2) graphite jig being equipped with through the tungsten carbide powder of pre-cold-press moulding is put into plasma discharging stove, under argon shield atmosphere, be warming up to 1600-2200 ℃;
(3) in above-mentioned plasma discharging stove, carry out repid discharge to form short circuit, the above-mentioned tungsten carbide powder of moment sintering, forms the tiny uniform tungsten carbide target blank of crystal grain;
(4) above-mentioned blank is with the cooling rear taking-up of stove, and carries out machining by customer requirement, obtains described tungsten carbide target, and the micro-organization chart of this tungsten carbide target as shown in Figure 2.
Embodiment 3
(1) by Fei Shi particle mean size, be that the tungsten carbide powder of the purity 99.999% of 1.0 μ m packs in graphite jig, with hydraulic press, cold pressing in advance;
(2) graphite jig being equipped with through the tungsten carbide powder of pre-cold-press moulding is put into plasma discharging stove, under argon shield atmosphere, be warming up to 1600-2200 ℃;
(3) in above-mentioned plasma discharging stove, carry out repid discharge to form short circuit, the above-mentioned tungsten carbide powder of moment sintering, forms the tiny uniform tungsten carbide target blank of crystal grain;
(4) above-mentioned blank is with the cooling rear taking-up of stove, and carries out machining by customer requirement, obtains described tungsten carbide target.
The above, be only preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence done according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.

Claims (3)

1. for a preparation method for the tungsten carbide target of oil exploration drill bit plated film, it is characterized in that: comprise the steps:
(1) tungsten carbide powder of purity 99.999% is packed in graphite jig, cold pressing pre-;
(2) graphite jig being equipped with through the tungsten carbide powder of pre-cold-press moulding is put into plasma discharging stove, under protective atmosphere, be warming up to 1600-2200 ℃;
(3) in above-mentioned plasma discharging stove, carry out repid discharge to form short circuit, the above-mentioned tungsten carbide powder of moment sintering, forms the tiny uniform tungsten carbide target blank of crystal grain;
(4) above-mentioned blank is with the cooling rear taking-up of stove, and carries out on request machining, obtains described tungsten carbide target.
2. the preparation method of a kind of tungsten carbide target for oil exploration drill bit plated film as claimed in claim 1, is characterized in that: the Fei Shi particle mean size of described tungsten carbide powder is 1.0-10.0 μ m.
3. the preparation method of a kind of tungsten carbide target for oil exploration drill bit plated film as claimed in claim 1, is characterized in that: described protective atmosphere is argon gas atmosphere.
CN201310356367.2A 2013-08-15 2013-08-15 Preparation method for tungsten carbide target material for film coating of oil exploration drill bit Pending CN103567440A (en)

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Application Number Priority Date Filing Date Title
CN201310356367.2A CN103567440A (en) 2013-08-15 2013-08-15 Preparation method for tungsten carbide target material for film coating of oil exploration drill bit

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Application Number Priority Date Filing Date Title
CN201310356367.2A CN103567440A (en) 2013-08-15 2013-08-15 Preparation method for tungsten carbide target material for film coating of oil exploration drill bit

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104947038A (en) * 2015-06-30 2015-09-30 人本集团有限公司 Processing method of surface of wave-shaped retainer
US20160333460A1 (en) * 2014-03-26 2016-11-17 Jx Nippon Mining & Metals Corporation Sputtering target comprising tungsten carbide or titanium carbide
CN107557738A (en) * 2017-08-30 2018-01-09 合肥工业大学 A kind of manufacture method of the high purity boron target of high-compactness high rigidity
CN107620049A (en) * 2017-09-01 2018-01-23 北京安泰六九新材料科技有限公司 A kind of preparation method of soap-free emulsion polymeization phase pure WC target
CN111893447A (en) * 2020-07-10 2020-11-06 厦门虹鹭钨钼工业有限公司 Submicron diamond-doped tungsten carbide sputtering target material and preparation method thereof
CN114918576A (en) * 2022-06-23 2022-08-19 北京安泰六九新材料科技有限公司 Tungsten carbide binding target material and preparation method thereof

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* Cited by examiner, † Cited by third party
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US5952102A (en) * 1996-05-13 1999-09-14 Ceramatec, Inc. Diamond coated WC and WC-based composites with high apparent toughness
CN1302707A (en) * 2001-01-20 2001-07-11 昆明理工大学 Plasma technology for activating sintered material
CN1579679A (en) * 2003-08-14 2005-02-16 陈兆盈 Hard alloy composite material
CN1609053A (en) * 2004-11-11 2005-04-27 上海交通大学 Sintering process of superfine pure WC without adhering phase
CN1827845A (en) * 2005-11-11 2006-09-06 东北大学 Method for manufacturing diamond-like film and part with coating manufactured thereby
WO2010034492A1 (en) * 2008-09-26 2010-04-01 Wendt Gmbh Microwave plasma sintering
CN102628138A (en) * 2012-03-23 2012-08-08 华南理工大学 Trace cobalt-containing tungsten carbide without bonding phase and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5952102A (en) * 1996-05-13 1999-09-14 Ceramatec, Inc. Diamond coated WC and WC-based composites with high apparent toughness
CN1302707A (en) * 2001-01-20 2001-07-11 昆明理工大学 Plasma technology for activating sintered material
CN1579679A (en) * 2003-08-14 2005-02-16 陈兆盈 Hard alloy composite material
CN1609053A (en) * 2004-11-11 2005-04-27 上海交通大学 Sintering process of superfine pure WC without adhering phase
CN1827845A (en) * 2005-11-11 2006-09-06 东北大学 Method for manufacturing diamond-like film and part with coating manufactured thereby
WO2010034492A1 (en) * 2008-09-26 2010-04-01 Wendt Gmbh Microwave plasma sintering
CN102628138A (en) * 2012-03-23 2012-08-08 华南理工大学 Trace cobalt-containing tungsten carbide without bonding phase and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160333460A1 (en) * 2014-03-26 2016-11-17 Jx Nippon Mining & Metals Corporation Sputtering target comprising tungsten carbide or titanium carbide
CN104947038A (en) * 2015-06-30 2015-09-30 人本集团有限公司 Processing method of surface of wave-shaped retainer
CN107557738A (en) * 2017-08-30 2018-01-09 合肥工业大学 A kind of manufacture method of the high purity boron target of high-compactness high rigidity
CN107620049A (en) * 2017-09-01 2018-01-23 北京安泰六九新材料科技有限公司 A kind of preparation method of soap-free emulsion polymeization phase pure WC target
CN107620049B (en) * 2017-09-01 2019-11-05 北京安泰六九新材料科技有限公司 A kind of preparation method of soap-free emulsion polymeization phase pure WC target
CN111893447A (en) * 2020-07-10 2020-11-06 厦门虹鹭钨钼工业有限公司 Submicron diamond-doped tungsten carbide sputtering target material and preparation method thereof
CN111893447B (en) * 2020-07-10 2022-04-19 厦门虹鹭钨钼工业有限公司 Submicron diamond-doped tungsten carbide sputtering target material and preparation method thereof
CN114918576A (en) * 2022-06-23 2022-08-19 北京安泰六九新材料科技有限公司 Tungsten carbide binding target material and preparation method thereof
CN114918576B (en) * 2022-06-23 2023-08-18 北京安泰六九新材料科技有限公司 Tungsten carbide binding target and preparation method thereof

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Application publication date: 20140212