CN104072139A - Preparation method of metallic titanium carbide ceramic - Google Patents
Preparation method of metallic titanium carbide ceramic Download PDFInfo
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- CN104072139A CN104072139A CN201410302954.8A CN201410302954A CN104072139A CN 104072139 A CN104072139 A CN 104072139A CN 201410302954 A CN201410302954 A CN 201410302954A CN 104072139 A CN104072139 A CN 104072139A
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Abstract
The invention discloses a preparation method of a metallic titanium carbide ceramic and relates to a preparation method of powder metallurgy carbides. The method comprises the following steps: using Ti powder, C powder and a sintering auxiliary powder as a raw material, wherein the sintering auxiliary of the ceramic is Al powder; carrying out ball-milling until the particle sizes of the Ti powder, the sintering auxiliary powder and the C powder are 10-5000nm; sintering TiCx(x=0.50-0.80) ceramic under conditions that the vacuum degree is 10<-5>-10<2> Pa, the sintering temperature is 1000-1800 DEG C and the heat-preserving time of the sintered ceramic is 10 minutes to 24 hours. By using the Ti powder, the Al powder and the C powder as the raw materials, the TiCx(x=0.50-0.80) ceramic is sintered under the vacuum condition, so that the preparation method has the characteristics of simplicity in operation, low sintering temperature, low production cost and the like and has considerable economic and social benefits.
Description
Technical field
The present invention relates to the preparation method of powder metallurgy carbide, particularly relate to the preparation method of metal titanium carbide ceramics.
Background technology
TiC is black powder, and compositing range is very wide, from TiC
0.47to TiC
0.97be all stable, have that fusing point is high, anti-oxidant, intensity is high, hardness is high, thermal conductivity is good, chemical stability is good, an excellent properties such as good toughness and the unreactiveness to iron and steel metalloid.Be mainly used to manufacture sintering metal, refractory alloy and Wimet.TiC based ceramic metal can be used to be manufactured on the high-temp thermal couple protective casing and the crucible of smelting metal etc. that in reductibility and inert atmosphere, use.TiC not only has unique physical properties, such as low density high-melting-point, high rigidity, good wear resistance etc., and due to its conductivity having and heat conductivility, it is got more and more people's extensive concerning in scientific research and Application Areas.Because it has these good performances, TiC is widely used as a kind of wild phase of strengthening matrix in various matrix materials.In addition, the TiC particle generating in A1 melt, also can be used as the heterogeneous forming core core of α-Al and crystal grain thinning, and this point is more and more subject to people's attention.In addition, TiC is also widely used in microelectron-mechanical system fusion reactor wall, the aspects such as biomaterial.TiCx(x=0.50-0.7 in recent years) material is widely studied as electrochemical hydrogen bearing material, but its preparation method complexity, technique is loaded down with trivial details.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of metal titanium carbide ceramics, it is raw material that present method is used Ti powder, Al powder and C powder, under vacuum condition, sinter TiCx(x=0.50-0.8 into), there is technique simple, the features such as sintering temperature is low, and production cost is low, have considerable economic benefit and social benefit.
The object of the invention is to be achieved through the following technical solutions:
The preparation method of metal titanium carbide ceramics, described method comprises that using Ti powder, C powder and sintering aid powder is raw material, the sintering aid of pottery is Al powder; After ball milling, the granularity of Ti powder, sintering aid powder and C powder be 10nm to 5000nm, then through pressed by powder moulding, be 10 in vacuum tightness
-5pa-10
2pa, sintering temperature are that 1000 DEG C-1800 DEG C, soaking time are under 10 minutes-24 hours conditions, sinter TiCx(x=0.50-0.8 into) pottery.
The preparation method of described metal titanium carbide ceramics, described TiCx(x=0.50-0.8) pottery is ceramic block and ceramic powder.
Brief description of the drawings
Fig. 1 is TiCx(x=0.50-0.61 of the present invention) the light photo of sample;
Fig. 2 is TiCx(x=0.50-0.61 of the present invention) duct scanning electron microscope pattern;
Fig. 3 is TiCx(x=0.58-0.70 of the present invention) photo of sample;
Fig. 4 is porous TiCx(x=0.58-0.70 of the present invention) scanning electron microscope (SEM) photograph;
Fig. 5 is TiCx(x=0.7-0.80 of the present invention) photo of sample;
Fig. 6 is TiCx(x=0.7-0.80 of the present invention) duct scanning electron microscope pattern;
Fig. 7 is TiCx(x=0.6 of the present invention) photo of sample;
Fig. 8 is porous TiCx(x=0.6 of the present invention) scanning electron microscope pattern.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the invention will be further described.
Embodiment 1
Taking Al powder as sintering aid, preparation
tiCx(x=0.50-0.61)sintering metal block
The group powder that proportionally carries out proportioning adds: the granularity of Ti powder, sintering aid powder and C powder be 10nm to 5000nm, Ti powder, Al powder, C powder, abrading-ball and dehydrated alcohol are weighing according to following weight fraction ratio:
48 parts, Ti powder
9 parts of Al powder 1-
C powder 7-9 part
325 parts, corundum ball (ratio of grinding media to material is 5:1)
Dehydrated alcohol is appropriate
After powder is mixed, be pressed into biscuit of ceramics with pressure forming machine,
Sintering TiCx(x=
0.50-0.61) pottery condition as follows:
(A) vacuum tightness of sintering is 10
-5pa-10
2pa;
(B) sintering temperature is 1000 DEG C-1800 DEG C;
(C) soaking time is 10 minutes-24 hours.
Prepare TiCx(x=
0.50-0.61) pottery
See Fig. 1, Fig. 2.
Embodiment 2
Taking Al+Mg powder as sintering aid, preparation
tiCx(x=0.58-0.70)ceramic block
The group powder that proportionally carries out proportioning adds: the granularity of Ti powder, sintering aid powder and C powder be 10nm to 5000nm, Ti powder, Al powder, C powder, abrading-ball and dehydrated alcohol are weighing according to following weight fraction ratio:
48 parts, Ti powder
9 parts of aluminium powder+magnesium powder 1-
C powder 7-9 part
325 parts, corundum ball (ratio of grinding media to material is 5:1)
Dehydrated alcohol is appropriate
After powder is mixed, be pressed into biscuit of ceramics with pressure forming machine,
Preparation TiCx(x=0.58-0.7) pottery condition as follows:
(D) vacuum tightness of sintering is 10
-5pa-10
2pa;
(E) sintering temperature is 1000 DEG C-1800 DEG C;
(F) soaking time is 10 minutes-12 hours.
Can prepare TiCx(x=
0.58-0.70) pottery, see Fig. 3, Fig. 4.
Embodiment 3
Taking Al powder as sintering aid, preparation
tiCx(x=0.7-0.8)sintering metal block
The group powder that proportionally carries out proportioning adds: the granularity of Ti powder, sintering aid powder and C powder be 10nm to 5000nm, Ti powder, Al powder, C powder, abrading-ball and dehydrated alcohol are weighing according to following weight fraction ratio:
48 parts, Ti powder
9 parts of Al powder 1-
C powder 7-9 part
325 parts, corundum ball (ratio of grinding media to material is 5:1)
Dehydrated alcohol is appropriate
After powder is mixed, be pressed into biscuit of ceramics with pressure forming machine,
Sintering TiCx(x=0.50-0.80) pottery condition as follows:
(G) vacuum tightness of sintering is 10
-5pa-10
2pa;
(H) sintering temperature is 1000 DEG C-1800 DEG C;
(I) soaking time is 10 minutes-12 hours.
Prepare TiCx(x=0.7-0.8) pottery, see Fig. 5, Fig. 6.
Embodiment 4
Taking Al powder as sintering aid, preparation
tiCx(x=0.6)sintering metal block
The group powder that proportionally carries out proportioning adds: the granularity of Ti powder, sintering aid powder and C powder be 10nm to 5000nm, Ti powder, Al powder, C powder, abrading-ball and dehydrated alcohol are weighing according to following weight fraction ratio:
48 parts, Ti powder
9 parts of Al powder 1-
8 parts, C powder
325 parts of abrading-balls (ratio of grinding media to material is 5:1)
Dehydrated alcohol is appropriate
After powder is mixed, be pressed into biscuit of ceramics with pressure forming machine,
Sintering TiCx(x=0.6) pottery condition as follows:
(J) vacuum tightness of sintering is 10
-5pa-10
2pa;
(K) sintering temperature is 1400 DEG C-1800 DEG C;
(L) soaking time is 10 minutes-12 hours.
Prepare TiCx(x=0.6) pottery, see Fig. 7, Fig. 8.
Claims (2)
1. the preparation method of metal titanium carbide ceramics, is characterized in that, described method comprises that using Ti powder, C powder and sintering aid powder is raw material, and the sintering aid of pottery is Al powder; After ball milling, the granularity of Ti powder, sintering aid powder and C powder be 10nm to 5000nm, then by ceramic powder compression moulding, be 10 in vacuum tightness
-5pa-10
2pa, sintering temperature is that 1000 DEG C-1800 DEG C, the soaking time of sintered ceramic are under 10 minutes-24 hours conditions, sinters TiCx(x=0.50-0.8 into) pottery.
2. the preparation method of metal titanium carbide ceramics according to claim 1, is characterized in that, described TiCx(x=0.50-0.8) pottery is ceramic block and ceramic powder.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478658A (en) * | 2015-12-31 | 2016-04-13 | 沈阳化工大学 | Method for casting titanium alloy casting through sand mold |
| CN106242571A (en) * | 2016-08-29 | 2016-12-21 | 华北电力大学（保定） | A kind of preparation method of titanium carbide hydrogen storage material |
| CN106396683A (en) * | 2016-08-29 | 2017-02-15 | 华北电力大学（保定） | Titanium aluminum carbon-titanium carbide composite hydrogen storage material, and preparation method thereof |
| CN109434122A (en) * | 2018-12-04 | 2019-03-08 | 燕山大学 | Without metallic binding phase Talide composite material and preparation method |
| CN111875383A (en) * | 2020-08-13 | 2020-11-03 | 华北电力大学（保定） | Non-stoichiometric titanium carbide hydrogen storage material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778767A (en) * | 2005-10-21 | 2006-05-31 | 清华大学 | Production of high-purity titanium silicon carbon ceramic powder under vacuum state |
| CN101100382A (en) * | 2007-07-31 | 2008-01-09 | 陕西科技大学 | Manufacture method for Ti3AlC2 processable ceramics material |
| CN103056340A (en) * | 2013-01-06 | 2013-04-24 | 沈阳化工大学 | Method for casting surface layer by using TiAlC-base ceramic powder as metal and titanium alloy |
-
2014
- 2014-06-30 CN CN201410302954.8A patent/CN104072139A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1778767A (en) * | 2005-10-21 | 2006-05-31 | 清华大学 | Production of high-purity titanium silicon carbon ceramic powder under vacuum state |
| CN101100382A (en) * | 2007-07-31 | 2008-01-09 | 陕西科技大学 | Manufacture method for Ti3AlC2 processable ceramics material |
| CN103056340A (en) * | 2013-01-06 | 2013-04-24 | 沈阳化工大学 | Method for casting surface layer by using TiAlC-base ceramic powder as metal and titanium alloy |
Non-Patent Citations (1)
| Title |
|---|
| 章桥新: "TiCx固溶体的价电子结构及其性能研究", 《武汉工业大学学报》, vol. 22, no. 5, 31 October 2000 (2000-10-31), pages 5 - 7 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478658A (en) * | 2015-12-31 | 2016-04-13 | 沈阳化工大学 | Method for casting titanium alloy casting through sand mold |
| CN106242571A (en) * | 2016-08-29 | 2016-12-21 | 华北电力大学（保定） | A kind of preparation method of titanium carbide hydrogen storage material |
| CN106396683A (en) * | 2016-08-29 | 2017-02-15 | 华北电力大学（保定） | Titanium aluminum carbon-titanium carbide composite hydrogen storage material, and preparation method thereof |
| CN109434122A (en) * | 2018-12-04 | 2019-03-08 | 燕山大学 | Without metallic binding phase Talide composite material and preparation method |
| CN111875383A (en) * | 2020-08-13 | 2020-11-03 | 华北电力大学（保定） | Non-stoichiometric titanium carbide hydrogen storage material and preparation method thereof |
| CN111875383B (en) * | 2020-08-13 | 2022-04-15 | 华北电力大学（保定） | Non-stoichiometric titanium carbide hydrogen storage material and preparation method thereof |
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