CN1116143A - Composite material containing diamond - Google Patents
Composite material containing diamond Download PDFInfo
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- CN1116143A CN1116143A CN 95105922 CN95105922A CN1116143A CN 1116143 A CN1116143 A CN 1116143A CN 95105922 CN95105922 CN 95105922 CN 95105922 A CN95105922 A CN 95105922A CN 1116143 A CN1116143 A CN 1116143A
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- sintering
- diamond composite
- cobalt
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Abstract
Said material consists of protective layer, transition layer, adhesive layer and bottom lining. The wearability is 1000 times as much as that of ordinary hard metalss; the hardness number is HRA 87-90; impact toughness reaches 33.3 J per cm edge-length; thermal stability reaches 800 deg.C. Said material can be used in percussion drill and quarrying.
Description
The present invention relates to a kind of diamond composite that contains that is used for percussive drilling and drilling tool, also can expand the cutting tool that is used for mechanical processing industry.
At present, casting tooth that percussive drilling is used and drilling tool bore bit, mainly be to adopt Hardmetal materials, though this material has certain wearability and enough toughness, but it is unable to do what one wishes just to seem in competent bed, service life is short. in the diamond compact of U.S. No.3745623 patent disclosure, let it be to the greatest extent, and toughness improves a lot than dimond synneusis, but can not be used for impact drilling, can only be used for turning round detritus. a kind of dimond synneusis composite sheet manufacture method that is used for rock bit of U.S. No.4604106 patent disclosure, adopted compound transitional technology, between the work top layer dimond synneusis of diamond compact and end liner, increase one or several transition zone of forming by diamond and carbide alloy fragment, thereby can solve because of the dimond synneusis layer is different with the end liner thermal coefficient of expansion causes two interlayers in the difficult problem of cooling back delamination again of being heated, but there is following shortcoming, the one, work layer on surface is a dimond synneusis, its figuring of surface is extremely difficult, the 2nd, often all be to grind away because of the drill steel body to scrap because of the dimond synneusis layer is extremely wear-resisting, the 3rd, sintering process complexity and cost height.
Purpose of the present invention just is to provide a kind of diamond composite that contains that is used for percussive drilling and drilling tool, realizes easily processing, and wearability and impact flexibility are complementary, shock resistance, and cost is low, and the life-span is long, rock drilling timeliness height in competent bed.
Technical scheme of the present invention comprises working lining, and transition zone and end liner is characterized in that:
(1) containing the diamond composite front end is the protection machined layer, and there is adhesive linkage the centre;
(2) thickness of protection machined layer is 0.2mm-0.3mm, and its composition is to be that the tungsten carbide of 85-92% adds the cobalt that content is 8-15% by content;
(3) thickness of adhesive linkage is 1mm-2mm, and its composition is to be that the tungsten carbide of 85-90% adds the cobalt that content is 15-10% by content;
(4) thickness of working lining is 1mm-3mm, and its composition is that to add content be that 13% cobalt is formed for tungsten carbide that the diamond of 7-50% adds 80-27% by content.
The present invention also can realize by following measure, after layers of material is mixed by percentage composition,, vacuumized or filling H to the layer 5 roof pressure moulding in the mould of packing into successively by ground floor
2Or N
2Sintering under the gas shield environment also can add under the graphite cannula solid protection environment at pyrophillite and carry out sintering, and its sintering temperature is 1200-1500 ℃, and pressure is 1000-6000kg/cm
2Sintering time is 2-15 minute.
Accompanying drawing 1 is to contain the diamond composite side cutaway view.
Described in detail below in conjunction with accompanying drawing:
The protection machined layer; be outermost layer; mainly be to be used to protect working lining 2 and to add easy reconditioning profile in man-hour; its optimum thickness is 0.25mm; its composition is that 92% tungsten carbide adds 8% cobalt; this one deck grinds off in drilling process very soon; carry out fractured rock by working lining 2; the thickness of the best of working lining 2 is 3mm; its composition is to be that 31% diamond adds 50% tungsten carbide to add content be 13% cobalt by content; perhaps content is that 13% diamond adds 74% tungsten carbide to add content be that 19% cobalt is formed, and the thickness of adhesive linkage 4 is 1.5mm, and its composition is that 85% tungsten carbide adds 15% cobalt and forms by content.After all layer of layers of material mixed by percentage composition; pack into successively in the graphite jig that alcohol was handled to layer 5 by ground floor; roof pressure is shaped; can be in the high-temperature high-pressure apparatus of diamond sintering; can carry out sintering in the conventional hot-press equipment of making diamond tool, diamond does not produce fire damage in sintering process in order to make yet, and must create the sintering environment to the protection of diamond fire damage; can adopt to vacuumize way, or adopt filling H
2Gas or N
2Gas is protected the sintering environment; also can add under the graphite cannula solid protection environment at pyrophillite and carry out sintering, common sintering temperature is crossed 1400 ℃, the pressure when determining sintering according to the size of sintered body; in general the sintered body diameter is 2mm, and its sintering pressure is 1000kg/cm
2, sintering time generally was controlled at 8 minutes.
Provided by the inventionly be used for percussive drilling and drilling tool contains diamond composite, detect through Ministry of Geology and Mineral Resources diamond composition quality testing center, its wear resistance ratio is 100-1000 a times of conventional tungsten cobalt scleroma alloy, hardness is HRA87-90, toughness reaches every centimetre of long 33.3J of sword, and thermal stability reaches 800 ℃.
Description of drawings:
1--protection machined layer 2--working lining 3--transition zone
4--adhesive linkage 5--end liner
Claims (4)
1. the diamond composite that contains that is used for percussive drilling and drilling tool comprises working lining, and transition zone and end liner is characterized in that:
(1) containing the diamond composite front end is the protection machined layer, and there is adhesive linkage the centre;
(2) thickness of protection machined layer is 0.2mm-0.3mm, and its composition is that to add content be that the cobalt of 8-15% is formed for the tungsten carbide of 85-92% by content;
(3) the thickness 1-2mm of adhesive linkage, its composition is made up of for the 15-10% cobalt for the 80-90% tungsten carbide adds content content;
(4) thickness of working lining is 1-3mm, and its composition is that tungsten carbide that the diamond of 13-50% adds 74-37% adds content and forms for the 13-20% cobalt by content;
2. according to the described diamond composite that contains of claim 1, after it is characterized in that layers of material mixed by weight percentage, pack mould successively into to layer 5 by first, roof pressure is shaped.
3. according to the described diamond composite that contains of claim 1, it is characterized in that sintering condition is vacuumizing or filling H
2Or N
2Sintering under the gas shield environment also can add under the graphite cannula solid protection environment at pyrophillite and carry out sintering.
4. according to the described diamond composite that contains of claim 1, it is characterized in that sintering temperature is 1200-1500 ℃, pressure is 1000-6000Kg/cm
2, sintering time 2-15 minute.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95105922A CN1060417C (en) | 1995-05-31 | 1995-05-31 | Composite material containing diamond |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95105922A CN1060417C (en) | 1995-05-31 | 1995-05-31 | Composite material containing diamond |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1116143A true CN1116143A (en) | 1996-02-07 |
CN1060417C CN1060417C (en) | 2001-01-10 |
Family
ID=5075656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95105922A Expired - Fee Related CN1060417C (en) | 1995-05-31 | 1995-05-31 | Composite material containing diamond |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1060417C (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101522346B (en) * | 2006-10-31 | 2011-01-19 | 六号元素(产品)(控股)公司 | Polycrystalline diamond abrasive compacts |
CN102889057A (en) * | 2012-10-09 | 2013-01-23 | 吉林大学 | High-efficiency wear-resistant cutting tool |
CN103737007A (en) * | 2013-06-28 | 2014-04-23 | 长春阿尔玛斯科技有限公司 | Method for preparing diamond superhard composite material |
CN103737006A (en) * | 2013-06-28 | 2014-04-23 | 长春阿尔玛斯科技有限公司 | Method for preparing titanium-silver material |
CN103737005A (en) * | 2013-06-28 | 2014-04-23 | 长春阿尔玛斯科技有限公司 | Preparation method for titanium copper alloy materials |
CN104047548A (en) * | 2013-03-13 | 2014-09-17 | 江雨明 | Diamond drill tooth with cobalt content gradient |
CN105142828A (en) * | 2013-03-15 | 2015-12-09 | 山特维克知识产权股份有限公司 | Method of joining sintered parts of different sizes and shapes |
CN105899751A (en) * | 2013-11-08 | 2016-08-24 | 史密斯国际有限公司 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same |
CN106141195A (en) * | 2016-07-26 | 2016-11-23 | 张倩楠 | A kind of alloy column and manufacture method thereof |
CN106735246A (en) * | 2016-11-18 | 2017-05-31 | 富耐克超硬材料股份有限公司 | A kind of multilayer composite polycrystal-diamond and preparation method thereof |
CN107639230A (en) * | 2017-08-23 | 2018-01-30 | 佛山市至开金刚石工具有限公司 | A kind of diamond and alloy composite abrasive material preparation process |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4694918A (en) * | 1985-04-29 | 1987-09-22 | Smith International, Inc. | Rock bit with diamond tip inserts |
US5304342A (en) * | 1992-06-11 | 1994-04-19 | Hall Jr H Tracy | Carbide/metal composite material and a process therefor |
-
1995
- 1995-05-31 CN CN95105922A patent/CN1060417C/en not_active Expired - Fee Related
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101522346B (en) * | 2006-10-31 | 2011-01-19 | 六号元素(产品)(控股)公司 | Polycrystalline diamond abrasive compacts |
CN102889057A (en) * | 2012-10-09 | 2013-01-23 | 吉林大学 | High-efficiency wear-resistant cutting tool |
CN104047548A (en) * | 2013-03-13 | 2014-09-17 | 江雨明 | Diamond drill tooth with cobalt content gradient |
US10265813B2 (en) | 2013-03-15 | 2019-04-23 | Sandvik Intellectual Property | Method of joining sintered parts of different sizes and shapes |
CN105142828B (en) * | 2013-03-15 | 2017-10-24 | 山特维克知识产权股份有限公司 | The method for engaging the sintered component of different sizes and shapes |
CN105142828A (en) * | 2013-03-15 | 2015-12-09 | 山特维克知识产权股份有限公司 | Method of joining sintered parts of different sizes and shapes |
CN103737007B (en) * | 2013-06-28 | 2015-11-04 | 长春阿尔玛斯科技有限公司 | A kind of preparation method of diamond superhard composite material |
CN103737005B (en) * | 2013-06-28 | 2015-11-04 | 长春阿尔玛斯科技有限公司 | A kind of preparation method of material of titanium copper alloy |
CN103737006B (en) * | 2013-06-28 | 2015-10-07 | 长春阿尔玛斯科技有限公司 | A kind of preparation method of titanium silver alloy |
CN103737005A (en) * | 2013-06-28 | 2014-04-23 | 长春阿尔玛斯科技有限公司 | Preparation method for titanium copper alloy materials |
CN103737006A (en) * | 2013-06-28 | 2014-04-23 | 长春阿尔玛斯科技有限公司 | Method for preparing titanium-silver material |
CN103737007A (en) * | 2013-06-28 | 2014-04-23 | 长春阿尔玛斯科技有限公司 | Method for preparing diamond superhard composite material |
CN105899751A (en) * | 2013-11-08 | 2016-08-24 | 史密斯国际有限公司 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same |
CN106141195A (en) * | 2016-07-26 | 2016-11-23 | 张倩楠 | A kind of alloy column and manufacture method thereof |
CN106735246A (en) * | 2016-11-18 | 2017-05-31 | 富耐克超硬材料股份有限公司 | A kind of multilayer composite polycrystal-diamond and preparation method thereof |
CN106735246B (en) * | 2016-11-18 | 2019-05-10 | 富耐克超硬材料股份有限公司 | A kind of multilayer composite polycrystal-diamond and preparation method thereof |
CN107639230A (en) * | 2017-08-23 | 2018-01-30 | 佛山市至开金刚石工具有限公司 | A kind of diamond and alloy composite abrasive material preparation process |
Also Published As
Publication number | Publication date |
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CN1060417C (en) | 2001-01-10 |
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