CN105753494A - Carbon steel and zirconia ceramics connecting piece - Google Patents
Carbon steel and zirconia ceramics connecting piece Download PDFInfo
- Publication number
- CN105753494A CN105753494A CN201610012905.XA CN201610012905A CN105753494A CN 105753494 A CN105753494 A CN 105753494A CN 201610012905 A CN201610012905 A CN 201610012905A CN 105753494 A CN105753494 A CN 105753494A
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- CN
- China
- Prior art keywords
- zirconia ceramics
- carbon steel
- titanium
- carbon
- transition layer
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
- C04B37/026—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of metals or metal salts
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/06—Oxidic interlayers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/12—Metallic interlayers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
- C04B2237/345—Refractory metal oxides
- C04B2237/348—Zirconia, hafnia, zirconates or hafnates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/40—Metallic
- C04B2237/405—Iron metal group, e.g. Co or Ni
- C04B2237/406—Iron, e.g. steel
Abstract
The invention provides a carbon steel and zirconia ceramics connecting piece.The carbon steel and zirconia ceramics connecting piece comprises a carbon steel part, a zirconia ceramics part and a connecting portion for connecting the carbon steel part with the zirconia ceramics part.The connecting portion comprises a first transition layer, a titanium metal layer and a second transition layer, wherein the first transition layer is positioned between the zirconia ceramics part and the titanium metal layer and composed of titanium and iron solid solution and a titanium-iron intermetallic compound, and the second transition layer mainly consists of a titanic oxide and a titanium-zirconium compound.The carbon steel and zirconia ceramics connecting piece is high in shear strength.
Description
Technical field
The present invention relates to the connector of a kind of metal and pottery, particularly relate to the connector of a kind of carbon steel and zirconia ceramics.
Background technology
Carbon steel is widely used in manufacturing engineering structure (such as boats and ships, electromotor, high-pressure bottle etc.) and machine components (such as gear, axle etc.).But carbon steel exists that wearability is poor, hardness is relatively low, thermal-shock resistance and the shortcoming such as high temperature corrosion resistance is relatively low, is difficult to the further demand meeting modern production technology to material combination property.And zirconia ceramics has the advantages such as hardness height, high-temperature corrosion-resistance, wear-resistant, heat shock resistance.Carbon steel links together with zirconium oxide and prepares into composite construction, applies for carbon steel and have very important significance in hot environment.
Owing to the physics of both materials, chemical property differ greatly so that connection between the two is extremely difficult, melting welding, soldering, diffusion welding and partial transient liquid is currently mainly adopted to realize the connection of pottery and metal.But there is many deficiencies in these methods: be difficult to prepare the joint of high bond strength；Cleannes and equipment vacuum degree to metalwork surface require significantly high；Diffusion welding and partial transient liquid temperature requirement are higher, and temperature retention time is long, cause that connection between the two is consuming time, consume energy；Melting welding easily cracks；Although it is relatively low that soldering connects temperature, but owing to the fusing point of solder is generally relatively low, therefore soldering is difficult to prepare the joint that can at high temperature use.
Summary of the invention
In view of this, it is necessary to the carbon steel of a kind of relatively high bond strength and the connector of zirconia ceramics are provided.
A kind of connector of carbon steel and zirconia ceramics, including a carbon-steel parts, a zirconia ceramics part and the connecting portion connecting this carbon-steel parts and this zirconia ceramics part, this connecting portion includes a First Transition layer, a titanium coating and one second transition zone, this First Transition layer is between this zirconia ceramics part and this titanium coating, this First Transition layer is made up of solid solution and the ferrotianium intermetallic compound of titanium and ferrum, and this second transition zone is mainly made up of titanium oxygen compound, titanium zirconium compounds.
Compared to prior art, this carbon steel is relatively low to the vacuum level requirements of process apparatus with the connector of zirconia ceramics, and its linkage interface has bigger shear strength.
Accompanying drawing explanation
Fig. 1 is that present pre-ferred embodiments uses a discharge plasma agglomerating plant to carry out the schematic diagram that carbon steel is connected with zirconia ceramics.
Fig. 2 is the carbon steel generalized section with the connector of zirconia ceramics of present pre-ferred embodiments.
Main element symbol description
Discharge plasma agglomerating plant 10
Axial compressive force system 11
Electrode 12
Burner hearth 13
Direct current pulse power source 14
Control system 15
Carbon-steel parts 20
Zirconia ceramics part 30
Active intermediate 40
Graphite jig 50
Seaming chuck 51
Push-down head 52
Middle mould 53
The connector 100 of carbon steel and zirconia ceramics
Connecting portion 60
First Transition layer 61
Titanium coating 62
Second transition zone 63
Detailed description of the invention
Referring to Fig. 1, the carbon steel of present pre-ferred embodiments and the method for attachment of zirconia ceramics are mainly through adopting a discharge plasma agglomerating plant 10 to complete, and the method mainly comprises the steps:
(1) carbon-steel parts 20, zirconia ceramics part 30 to be connected and an active intermediate 40 are provided.This active intermediate 40 is titanium foil, and its thickness is approximately 0.1～0.5mm, it is advantageous to thickness is 0.2～0.3mm.
(2) polished and clean in the surface to be connected of active intermediate 40 and carbon-steel parts 20 and zirconia ceramics part 30, and drying up.Active intermediate 40, carbon-steel parts 20 and zirconia ceramics part 30 are polished by the abrasive paper for metallograph that can use 400～800 orders in the present embodiment；Then it is carried out with dilute hydrochloric acid or dilution heat of sulfuric acid；Rinse with water after acid cleaning and dry up.Hereinafter active intermediate 40, carbon-steel parts 20 and zirconia ceramics part 30 are referred to as workpiece.
(3) providing a graphite jig 50, this graphite jig 50 includes seaming chuck 51, push-down head 52 and middle mould 53, and in this, mould 53 has a die cavity (not shown), is used for housing workpiece to be connected.
(4) put the workpiece in graphite jig 50, make active intermediate 40 fold up between carbon-steel parts 20 and zirconia ceramics part 30, and compress with seaming chuck 51 and push-down head 52.
(5) a discharge plasma agglomerating plant 10 is provided, such as can adopt the SPS3.20MK-IV type discharging plasma sintering equipment that SUMITOMO CHEMICAL anthracites company produces.This discharge plasma agglomerating plant 10 specifically includes that axial compressive force system 11, for providing axial compressive force to sintering workpiece；Positive and negative electrode 12；Burner hearth 13；Direct current pulse power source 14, for providing pulse current to sintering workpiece, makes workpiece heat up；Temperature measurement unit (not shown) and control system 15 etc..This direct current pulse power source peak pulse duration is 12:2, and maximum current is up to 5000A.
(6) graphite jig 50 is put in the burner hearth 13 of this discharge plasma agglomerating plant 10, and it is directed at the positive and negative electrode 12 of discharge plasma agglomerating plant 10 respectively with seaming chuck 51 and push-down head 52 and is connected, it is 6～10Pa that burner hearth 13 is evacuated to vacuum, open direct current pulse power source 14, arranging following technological parameter and workpiece is carried out discharge plasma connection: axial compressive force is 10～50MPa, heating rate is 50～600 DEG C/min；When temperature is 800～1100 DEG C, keeping about 10～50 minutes durations of this temperature range, this temperature is connection temperature, and now the corresponding pulse current intensity applied is approximately 2500～4500A.The axial compressive force wherein applied specifically can adjust according to the size of zirconia ceramics part 30, thickness.Described heating rate is preferably 50～300 DEG C/min, connects temperature and is preferably 850～1050 DEG C, and temperature retention time is preferably 10～30 minutes, and pulse current intensity is preferably 600～4000A.
(7) connector of carbon steel and zirconia ceramics is taken out after cooling.
The method of attachment of above-mentioned carbon steel and zirconia ceramics is by adopting a discharge plasma agglomerating plant 10 (or claiming Current Heating equipment), carbon-steel parts 20 and zirconia ceramics part 30 are applied pulse current, to produce high hot plasma at carbon-steel parts 20 with the electric discharge between gap that contacts of zirconia ceramics part 30, plasma cleaning also activates the surface of workpiece, improves the atoms permeating ability of surface of the work.
nullBy under pulse current effect，Carbon-steel parts 20、Zirconia ceramics part 30 and active intermediate 40 titanium foil produce spontaneous heating and shelf depreciation heat，The activation temperature of titanium foil is lower than the softening temperature of carbon-steel parts 20 and zirconia ceramics part 30，First titanium foil activates and discharges Ti atom，Ti atom rapidly diffuses into carbon-steel parts 20 and zirconia ceramics part 30 surface，And there is a physics with carbon-steel parts 20 and zirconia ceramics part 30、Chemical reaction，Such as Ti atom to take oxygen ability by force stronger，Oxygen can be captured from zirconia ceramics part 30，Form titanium oxygen compound，Titanium zirconium compounds can be formed with zirconium simultaneously，Also can form solid solution etc. with zirconia ceramics part 30 reaction，Thus form new phase structure at carbon steel/zirconia ceramics interface，This new phase structure may advantageously facilitate the diffusion bond at zirconia ceramics/carbon steel interface，In addition under axial compressive force effect，Between workpiece, contact area constantly increases，It is finally reached close contact and links together.
Above-mentioned carbon steel is short with the method for attachment temperature retention time of zirconia ceramics, and energy consumption is low, and burner hearth vacuum level requirements is relatively low.
Fig. 2 show the connector 100 of carbon steel and the zirconia ceramics prepared by above-mentioned method of attachment, including this carbon-steel parts 20, this zirconia ceramics part 30 and the connecting portion 60 connecting this carbon-steel parts 20 and this zirconia ceramics part 30.This connecting portion 60 includes First Transition layer 61, titanium coating 62 and one second transition zone 63.This First Transition layer 61 is between this carbon-steel parts 20 and this titanium coating 62, and this First Transition layer 61 is main to be made up of solid solution and the ferrotianium intermetallic compound of titanium and ferrum.This second transition zone 63 is between this zirconia ceramics part 30 and this titanium coating 62, and this second transition zone 63 is mainly made up of titanium oxygen compound, titanium zirconium compounds and minimal amount of titanium zirconium solid solution.The thickness of this First Transition layer 61 and the second transition zone 63 is about 5～30 μm, it is preferred that be 10～20 μm.
Connecting portion 60 even uniform of the connector 100 of this carbon steel and zirconia ceramics, free from flaw, imporosity.After testing, this carbon steel and the shear strength at the carbon steel/zirconia ceramics interface of the connector 100 of zirconia ceramics are up to 80～150MPa.
Claims (2)
1. the connector of a carbon steel and zirconia ceramics, it is characterized in that: this carbon steel includes a carbon-steel parts, a zirconia ceramics part and is connected the connecting portion of this carbon-steel parts and this zirconia ceramics part with the connector of zirconia ceramics, this connecting portion includes a First Transition layer, a titanium coating and one second transition zone, this First Transition layer is between this zirconia ceramics part and this titanium coating, this First Transition layer is made up of solid solution and the ferrotianium intermetallic compound of titanium and ferrum, and this second transition zone is mainly made up of titanium oxygen compound, titanium zirconium compounds.
2. the connector of carbon steel as claimed in claim 1 and zirconia ceramics, it is characterised in that: the shear strength at the carbon steel/zirconia ceramics interface of the connector of this carbon steel and zirconia ceramics is 80～150MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012905.XA CN105753494A (en) | 2010-07-22 | 2010-07-22 | Carbon steel and zirconia ceramics connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012905.XA CN105753494A (en) | 2010-07-22 | 2010-07-22 | Carbon steel and zirconia ceramics connecting piece |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010233868.8A Division CN102335792B (en) | 2010-07-22 | 2010-07-22 | The method of attachment of carbon steel and zirconia ceramics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105753494A true CN105753494A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012905.XA Pending CN105753494A (en) | 2010-07-22 | 2010-07-22 | Carbon steel and zirconia ceramics connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105753494A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04305071A (en) * | 1990-12-21 | 1992-10-28 | Tokai Univ | Joining method |
| CN1721121A (en) * | 2005-06-09 | 2006-01-18 | 山东大学 | Diffusion and connection method for ceramic and steel by adding active intermediate alloy |
-
2010
- 2010-07-22 CN CN201610012905.XA patent/CN105753494A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04305071A (en) * | 1990-12-21 | 1992-10-28 | Tokai Univ | Joining method |
| CN1721121A (en) * | 2005-06-09 | 2006-01-18 | 山东大学 | Diffusion and connection method for ceramic and steel by adding active intermediate alloy |
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| PB01 | Publication | ||
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| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20190215 |