CN103806842A - Manufacturing method for geological exploration bit having good performance - Google Patents
Manufacturing method for geological exploration bit having good performance Download PDFInfo
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- CN103806842A CN103806842A CN201310545590.1A CN201310545590A CN103806842A CN 103806842 A CN103806842 A CN 103806842A CN 201310545590 A CN201310545590 A CN 201310545590A CN 103806842 A CN103806842 A CN 103806842A
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Abstract
The invention discloses a manufacturing method for a geological exploration bit having good performance. The manufacturing method comprises steps as follows: 54% of diamond powder and 46% of titanium are mixed uniformly, a catalyst accounting for 0.37% of total raw material amount is added, the materials are placed into a vacuum furnace for maintaining and then placed into a cubic synthetic diamond press for high-temperature and high-pressure synthesis and cover an alloy matrix after pressure relief to obtain a diamond compact, and after machine shaping, the diamond compact is mounted on a drill pipe to manufacture the geological exploration bit. The diamond compact prepared with the method is good in stability and impact toughness, high in abrasive resistance and low in abrasive ratio.
Description
Technical field
The present invention relates to a kind of manufacture method of failure analysis.
Background technology
Failure analysis extensively adopts diamond compact to form now.The compact bit of geological mapping exploration, is applicable to soft to medium ground.Diamond is with its distinctive high rigidity, high elastic modulus, high heat conductance.At present, machining tool is take impregnated single-crystal diamond as main, and sintering polycrystalline diamond instrument is just surging forward.Sintering polycrystalline diamond, in the mixture mode of single-crystalline diamond and metal dust or to cover diamond compact that prealloy thin slice mode forms on single-crystalline diamond as main.Tool has good wearability diamond compact (Polycrystalline Diamond Compound, referred to as PDC), heat stability, compressive strength and toughness.But, utilize prior art to manufacture diamond compact, and then the performance that makes failure analysis still can not meet people's needs completely, people wish to obtain the manufacture method of the better failure analysis of performance.
Summary of the invention
The technical problem to be solved in the present invention is to provide the manufacture method of a kind of good stability, toughness is good, abrasion resistance is high, wear resistance ratio is low failure analysis.In order to address the above problem, the technical solution used in the present invention is:
The manufacture method that the invention provides a kind of failure analysis, said method comprising the steps of:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 54% and titanium 46%;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear catalyzer that accounts for total raw material amount 0.37% that adds in addition, its raw material and catalyzer are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and catalyzer are housed mould is put into vacuum drying oven and keep 64～68 minutes; In described vacuum drying oven, vacuum is 0.0009～0.0012Pa, and temperature is 100～150 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 595～605A, heat time is 64～66s, and pressure is 0.8～1.2 ten thousand kilogram, and the dwell time is 98～102s;
After e, HTHP are synthetic, carry out release, after release, cover on alloy substrate and obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
According to the manufacture method of above-mentioned failure analysis, catalyzer described in step b is boron.
According to the manufacture method of above-mentioned failure analysis, in the building-up process of HTHP described in steps d, controlling electric current is 600A, and the heat time is 65s, and pressure is 1.0 ten thousand kilograms, and the dwell time is 100s.
Positive beneficial effect of the present invention:
The present invention has adopted special mixed material and catalyzer and proportioning thereof, the failure analysis being prepared from according to the method, and toughness is good, has high abrasion resistance.The wear resistance ratio of product of the present invention is lower, has higher grinding efficiency than natural diamond.In addition, the diamond compact that utilizes technical solution of the present invention to be prepared from, product self-sharpening can be good, and grinding efficiency is high.
The specific embodiment:
Following examples only, in order to further illustrate the present invention, do not limit content of the present invention.
Embodiment 1:
A processing method for failure analysis, the detailed step of described method is as follows:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 54% and titanium 46%; Wherein 54% bortz powder is made up of 40% W20 bortz powder, 35% W15 bortz powder and 25% W5～7 bortz powder;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear boron that accounts for total raw material amount 0.37% that adds in addition, its raw material and boron are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and boron are housed mould is put into vacuum drying oven and keep 66 minutes; In described vacuum drying oven, vacuum is 0.001Pa, and temperature is 120 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 600A, and the heat time is 65s, and pressure is 1.0 ten thousand kilograms, and the dwell time is 100s;
After e, HTHP are synthetic, carry out release, after release, obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
In addition to the implementation, the present invention can also be according to embodiment manufacture below, and it is lower slightly that the diamond compact performance making according to following method is compared above-described embodiment, but improves than still having in prior art significantly.
Embodiment 2:
A processing method for failure analysis, the detailed step of described method is as follows:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 56% and titanium 44%; Wherein 56% bortz powder is made up of 40% W20 bortz powder, 35% W15 bortz powder and 25% W5～7 bortz powder;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear boron that accounts for total raw material amount 0.35% that adds in addition, its raw material and boron are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and boron are housed mould is put into vacuum drying oven and keep 64 minutes; In described vacuum drying oven, vacuum is 0.0009Pa, and temperature is 100 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 595A, and the heat time is 64s, and pressure is 0.9 ten thousand kilograms, and the dwell time is 98s;
After e, HTHP are synthetic, carry out release, after release, obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
Embodiment 3:
A processing method for failure analysis, the detailed step of described method is as follows:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 56% and titanium 44%; Wherein 56% bortz powder is made up of 40% W20 bortz powder, 35% W15 bortz powder and 25% W5～7 bortz powder;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear boron that accounts for total raw material amount 0.39% that adds in addition, its raw material and boron are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and boron are housed mould is put into vacuum drying oven and keep 68 minutes; In described vacuum drying oven, vacuum is 0.0012Pa, and temperature is 150 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 605A, and the heat time is 66s, and pressure is 1.2 ten thousand kilograms, and the dwell time is 102s;
After e, HTHP are synthetic, carry out release, after release, obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
Embodiment 4:
A processing method for failure analysis, the detailed step of described method is as follows:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 55% and titanium 45%; Wherein 55% bortz powder is made up of 40% W20 bortz powder, 35% W15 bortz powder and 25% W5～7 bortz powder;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear boron that accounts for total raw material amount 0.38% that adds in addition, its raw material and boron are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and boron are housed mould is put into vacuum drying oven and keep 65 minutes; In described vacuum drying oven, vacuum is 0.001Pa, and temperature is 130 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 602A, and the heat time is 65s, and pressure is 1.1 ten thousand kilograms, and the dwell time is 101s;
After e, HTHP are synthetic, carry out release, after release, obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
Embodiment 5:
A processing method for failure analysis, the detailed step of described method is as follows:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 54% and titanium 46%; Wherein 54% bortz powder is made up of 40% W20 bortz powder, 35% W15 bortz powder and 25% W5～7 bortz powder;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear boron that accounts for total raw material amount 0.36% that adds in addition, its raw material and boron are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and boron are housed mould is put into vacuum drying oven and keep 66 minutes; In described vacuum drying oven, vacuum is 0.0009Pa, and temperature is 110 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 602A, and the heat time is 66s, and pressure is 1.05 ten thousand kilograms, and the dwell time is 101s;
After e, HTHP are synthetic, carry out release, after release, obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
The present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. a manufacture method for failure analysis, said method comprising the steps of:
A, raw material composition: represent with weight percentage, the raw material adopting consists of bortz powder 54% and titanium 46%;
B, take bortz powder and titanium according to the raw material composition described in step a, mix the rear catalyzer that accounts for total raw material amount 0.37% that adds in addition, its raw material and catalyzer are packed in the synthetic mould of carbon;
C, then synthetic the carbon that raw material and catalyzer are housed mould is put into vacuum drying oven and keep 64～68 minutes; In described vacuum drying oven, vacuum is 0.0009～0.0012Pa, and temperature is 100～150 ℃;
D, step b is vacuumized to the semiproduct that obtain after heating put into diamond hexa-orientation press to carry out HTHP synthetic, in HTHP building-up process, controlling electric current is 595～605A, heat time is 64～66s, and pressure is 0.8～1.2 ten thousand kilogram, and the dwell time is 98～102s;
After e, HTHP are synthetic, carry out release, after release, cover on alloy substrate and obtain diamond compact, after machine-shaping, be arranged on and on drilling rod, make failure analysis.
2. the manufacture method of failure analysis according to claim 1, is characterized in that: catalyzer described in step b is boron.
3. the manufacture method of failure analysis according to claim 1, is characterized in that: in the building-up process of HTHP described in steps d, controlling electric current is 600A.
4. the manufacture method of failure analysis according to claim 1, is characterized in that: in the building-up process of HTHP described in steps d, the heat time is 65s.
5. the manufacture method of failure analysis according to claim 1, is characterized in that: in the building-up process of HTHP described in steps d, pressure is 1.0 ten thousand kilograms.
6. the manufacture method of failure analysis according to claim 1, is characterized in that: in the building-up process of HTHP described in steps d, the dwell time is 100s.
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| CN201310545590.1A CN103806842A (en) | 2013-11-06 | 2013-11-06 | Manufacturing method for geological exploration bit having good performance |
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| CN201310545590.1A CN103806842A (en) | 2013-11-06 | 2013-11-06 | Manufacturing method for geological exploration bit having good performance |
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Citations (7)
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| US6042463A (en) * | 1997-11-20 | 2000-03-28 | General Electric Company | Polycrystalline diamond compact cutter with reduced failure during brazing |
| CN101168229A (en) * | 2006-10-27 | 2008-04-30 | 河南富耐克超硬材料有限公司 | Method for manufacturing ultra-hard composite blade |
| CN101543893A (en) * | 2008-03-25 | 2009-09-30 | 永久株式会社 | Blade using ultra-hard microscopic particles |
| US20100326740A1 (en) * | 2009-06-26 | 2010-12-30 | Hall David R | Bonded Assembly Having Low Residual Stress |
| CN101940893A (en) * | 2010-10-28 | 2011-01-12 | 郑州三和金刚石有限公司 | Method for processing polycrystalline diamond for diamond processing |
| CN101940894A (en) * | 2010-10-28 | 2011-01-12 | 郑州三和金刚石有限公司 | Method for machining elliptic polycrystalline diamond for drilling |
| CN103128757A (en) * | 2011-11-29 | 2013-06-05 | 永久株式会社 | Diamond-containing blade |
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2013
- 2013-11-06 CN CN201310545590.1A patent/CN103806842A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6042463A (en) * | 1997-11-20 | 2000-03-28 | General Electric Company | Polycrystalline diamond compact cutter with reduced failure during brazing |
| CN101168229A (en) * | 2006-10-27 | 2008-04-30 | 河南富耐克超硬材料有限公司 | Method for manufacturing ultra-hard composite blade |
| CN101543893A (en) * | 2008-03-25 | 2009-09-30 | 永久株式会社 | Blade using ultra-hard microscopic particles |
| US20100326740A1 (en) * | 2009-06-26 | 2010-12-30 | Hall David R | Bonded Assembly Having Low Residual Stress |
| CN101940893A (en) * | 2010-10-28 | 2011-01-12 | 郑州三和金刚石有限公司 | Method for processing polycrystalline diamond for diamond processing |
| CN101940894A (en) * | 2010-10-28 | 2011-01-12 | 郑州三和金刚石有限公司 | Method for machining elliptic polycrystalline diamond for drilling |
| CN103128757A (en) * | 2011-11-29 | 2013-06-05 | 永久株式会社 | Diamond-containing blade |
Non-Patent Citations (1)
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| 徐克里等: "《钻探工程》", 31 January 2008 * |
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Application publication date: 20140521 |