CN104308152B - A kind of shell-and-core structure titanio bar of wear-resisting high-ductility and preparation method thereof - Google Patents
A kind of shell-and-core structure titanio bar of wear-resisting high-ductility and preparation method thereof Download PDFInfo
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Abstract
A kind of shell-and-core structure titanio bar of wear-resisting high-ductility and preparation method thereof.It relates to a kind of titanio bar and preparation method thereof.It solve titanium or the problem of titanium alloy rod bar surface abrasion resistance poor processing effect.The shell-and-core structure titanio bar of wear-resisting high-ductility is made up of the core of the wear-resisting shell in outside and internal high tenacity；Shell is containing the titanium matrix composite strengthening phase；Core is titanium or titanium alloy.Preparation method: one, make thin-walled inner core；Two, thin-walled inner core is put into mould；Three, pour powder, compacting into, extract thin-walled inner core out；Four, evacuation carries out hot pressed sintering.The shell-and-core structure titanio bar of the wear-resisting high-ductility that the present invention prepares both had maintained the feature of titanium alloy high tenacity, the advantage possessing again titanium matrix composite high-wearing feature.
Description
Technical field
The present invention relates to a kind of titanio bar and preparation method thereof.
Background technology
Titanium alloy has lightweight, corrosion-resistant, specific strength advantages of higher, but its wearability is poor.In order to improve the resistance to of titanium alloy
Mill property also expands its range of application and improves service life, attempts multiple method.As in titanium alloy surface nitriding, oozed oxygen etc.,
Relatively thin yet with infiltration layer, abrasion resistant effect is poor, and range of application is very limited.The another kind of method improving wearability is to prepare again
Condensation material, by powder metallurgic method or fusion casting, introduces ceramic phase in titanium alloy substrate, can significantly improve titanium alloy
The wearability of matrix, but meanwhile the toughness of material declines to a great extent.The side of laser melting coating can also be used for flat sheet
Method, prepares one layer of titanium matrix composite to improve its wearability at plate surface, and the method not only can improve its wearability but also can
Enough keep high tenacity, but be only limitted to flat sheet is processed；If using the method to have titanium or the titanium of radian to surface
Alloy material particularly titanium or titanium alloy rod bar carry out laser melting coating, and its abrasion-resistant titanium basic composite bed thickness is uneven, and effect is paid no attention to
Think.
Summary of the invention
The present invention is to solve titanium or the problem of titanium alloy rod bar surface abrasion resistance poor processing effect, and the wear-resisting height of one provided
Tough shell-and-core structure titanio bar and preparation method thereof.
The shell-and-core structure titanio bar of the wear-resisting high-ductility of the present invention is made up of the core of the wear-resisting shell in outside and internal high tenacity；Shell
Layer is for containing the titanium matrix composite strengthening phase；Core is titanium or titanium alloy.
The shell-and-core structure titanio bar of above-mentioned wear-resisting high-ductility is prepared according to the following steps:
One, thin-walled inner core is made according to the shape of bar core；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material powder and enhancing phase material powder carries out ball milling and mixes powder, be subsequently poured into mould and thin-walled inner core
Between space, then into the titanium or titanium alloy powder of making core are poured thin-walled inner core, afterwards shell and core powder are tamped,
Extract thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
The shell-and-core structure titanio bar of the wear-resisting high-ductility that the present invention prepares both had maintained the feature of titanium alloy high tenacity, possessed again
The advantage of titanium matrix composite high-wearing feature；Its outer layer hardness can reach HRC45-65.
The preparation method of the present invention is simply, easily operate.Present invention employs special dress powder mode, by Shell Materials and core
Material separately loads respectively, the most together carries out vacuum heating-press sintering, thus obtains the shell-and-core structure possessing different performance
Material.The inventive method can prepare the shell of different-thickness as required, and strengthened the content control shell of phase by regulation
Anti-wear performance；And the cross section of core can have any shape, to meet different needs.
Accompanying drawing explanation
Fig. 1 is the dress powder schematic diagram of the shell-and-core structure titanio bar preparing the wear-resisting high-ductility of the present invention, and wherein, 1 is thin-walled inner core,
2 is mould, and 3 is push-down head, and arrow 4 is core material loading position, and arrow 5 is Shell Materials loading position.
Fig. 2 is cross section photomacrograph and the interface enlarged drawing of the shell-and-core structure titanio bar of the wear-resisting high-ductility of embodiment 1 preparation.
Detailed description of the invention
Technical solution of the present invention is not limited to act detailed description of the invention set forth below, and also include between each detailed description of the invention is any
Combination.
Detailed description of the invention one: the shell-and-core structure titanio bar of the wear-resisting high-ductility of present embodiment is by the wear-resisting shell in outside and inside
The core of high tenacity is constituted；Shell is containing the titanium matrix composite strengthening phase；Core is titanium or titanium alloy.
Detailed description of the invention two: the present embodiment difference from detailed description of the invention one is: the thickness 1～10mm of shell.
Other is identical with embodiment one.
Detailed description of the invention three: the present embodiment difference from detailed description of the invention one or two is: a diameter of the 5～400 of core
mm.Other is identical with embodiment one or two.
Detailed description of the invention four: the present embodiment difference from one of detailed description of the invention one to three is: the enhancing in shell
Phase raw material is TiB2、B4C、LaB6, B, C or SiC.Other is identical with one of embodiment one to three.
Detailed description of the invention five: the present embodiment difference from one of detailed description of the invention one to four is: the matrix in shell
Material is TA, TB or TC series titanium alloy.Other is identical with one of embodiment one to four.
Detailed description of the invention six: the present embodiment difference from one of detailed description of the invention one to five is: the enhancing in shell
The content of phase is 3vol.%～25vol.%.Other is identical with one of embodiment one to five.
Detailed description of the invention seven: the present embodiment difference from one of detailed description of the invention one to six is: the enhancing in shell
The content of phase is 8vol.%～15vol.%.Other is identical with one of embodiment one to six.
Detailed description of the invention eight: the present embodiment difference from one of detailed description of the invention one to seven is: constitute the titanium of core
Alloy is TA, TB or TC series titanium alloy.Other is identical with one of embodiment one to seven.
Detailed description of the invention nine: present embodiment prepares the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, thin-walled inner core is made according to the shape of bar core；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material powder and enhancing phase material powder carries out ball milling and mixes powder, be subsequently poured into mould and thin-walled inner core
Between space, then into the titanium or titanium alloy powder of making core are poured thin-walled inner core, afterwards shell and core powder are tamped,
Extract thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
In present embodiment, the wall thickness of thin-walled inner core is less than 1mm.
Present embodiment can prepare the shell-and-core structure titanio bar of varying cross-section shape according to mould and thin-walled inner core.This reality
The shell-and-core structure titanio bar dress powder of the wear-resisting high-ductility of mode of executing is as shown in Figure 1.
Detailed description of the invention ten: the present embodiment difference from detailed description of the invention nine is: in step 3, rotational speed of ball-mill is
120～200r/min, ratio of grinding media to material is 31, and Ball-milling Time is 4～8h.Other step and parameter are identical with embodiment nine.
Detailed description of the invention 11: the present embodiment difference from detailed description of the invention nine or ten is: in step 4, hot pressing is burnt
Junction temperature is 1000～1500 DEG C, and hot pressed sintering pressure is 10～100MPa, and the hot pressed sintering time is 0.5～5h.Other step
And parameter is identical with embodiment nine or ten.
Detailed description of the invention 12: the present embodiment difference from one of detailed description of the invention nine to ten one is: in step 3
Strengthening phase raw material is TiB2、B4C、LaB6, B, C or SiC；Matrix material is TA, TB or TC series titanium alloy；
Core titanium alloy is TA, TB or TC series titanium alloy.Other step and parameter are identical with one of embodiment nine to ten one.
Detailed description of the invention 13: the present embodiment difference from one of detailed description of the invention nine to ten two is: rapid three shells
The middle volume ratio strengthened with matrix material is 3 97～25 75.Other step and one of parameter and embodiment nine to ten two
Identical.
Embodiment 1
Prepare the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, Circular Thin inner core is made；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material TC4 Titanium Powder and strengthen phase raw material TiB2Ceramics carries out ball milling and mixes powder, and ball milling turns
Speed is 200r/min, and ratio of grinding media to material is 31, and Ball-milling Time is 5h；It is subsequently poured into the space between mould and thin-walled inner core, then will
The TC4 titanium alloy powder making core pours thin-walled inner core into, shell and core powder is tamped afterwards, extracts thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, and hot pressed sintering temperature is 1200 DEG C, and hot pressed sintering pressure is 25MPa, and hot pressing is burnt
The knot time is 1h, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
Wherein, phase raw material TiB is strengthened2The quality of ceramics accounts for the 5% of Shell Materials gross mass.
The shell of the shell-and-core structure titanio bar of the wear-resisting high-ductility that the present embodiment is prepared strengthens phase TiBw account in shell
8.5vol.%.
The shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment, its shell thickness is 10mm, and core diameters is
20mm。
The shell-and-core structure titanio bar different parts of the wear-resisting high-ductility preparing the present embodiment carries out hardness test and shows, shell
(8.5vol.%TiBw/TC4) hardness reaches HRC50, and core (TC4 titanium alloy) hardness is HRC32.Room temperature rubs
Wear test test result shows, the coefficient of friction of TC4 titanium alloy is 0.5, and the shell of wear-resisting high-ductility prepared by the present embodiment
The coefficient of friction of cored structure titanio bar is only 0.3.
Room temperature impact toughness test result shows, the impact flexibility of TC4 titanium alloy is 500kJ/m2, 8.5vol.%TiBw/TC4
The impact flexibility of composite is only 280kJ/m2, the impact of the shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment
Toughness reaches 430kJ/m2。
Experiment confirms that the shell-and-core structure titanio bar of the wear-resisting high-ductility prepared by the present invention not only substantially increases the wearability of titanium material
Can, and ensure that its higher toughness, considerably increase its service life.
The cross section photomacrograph of the shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment and interface enlarged drawing such as Fig. 2
Shown in.As shown in Figure 2, the shell-and-core structure titanio bar consistency of wear-resisting high-ductility prepared by the present embodiment is high, without hole,
And interface cohesion is good, it is ensured that excellent combination property.
Embodiment 2
Prepare the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, gear-like thin-walled inner core is made；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, taking shell matrix material TC4 Titanium Powder and enhancing phase raw material B powder carries out ball milling and mixes powder, rotational speed of ball-mill is
200r/min, ratio of grinding media to material is 31, and Ball-milling Time is 7h；It is subsequently poured into the space between mould and thin-walled inner core, then will make
The TC4 titanium alloy powder of core pours thin-walled inner core into, shell and core powder is tamped afterwards, extracts thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, and hot pressed sintering temperature is 1300 DEG C, and hot pressed sintering pressure is 25MPa, and hot pressing is burnt
The knot time is 1h, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
Wherein, the quality strengthening phase raw material B powder accounts for the 2.29% of Shell Materials gross mass.
The shell of the shell-and-core structure titanio bar of the wear-resisting high-ductility that the present embodiment is prepared strengthens phase TiBw account in shell
12vol.%.
The shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment, its shell thickness is 6mm, and core diameters is
20mm。
The shell-and-core structure titanio bar different parts of the wear-resisting high-ductility preparing the present embodiment carries out hardness test and shows, shell
(12vol.%TiBw/TC4) hardness reaches HRC54, and core (TC4 titanium alloy) hardness is HRC32.Room temperature friction mill
Damaging experimental test result to show, the coefficient of friction of TC4 titanium alloy is 0.5, and the shell core of wear-resisting high-ductility prepared by the present embodiment
The coefficient of friction of structure titanio bar is only 0.26.
Room temperature impact toughness test result shows, the impact flexibility of TC4 titanium alloy is 500kJ/m2, 12vol.%TiBw/TC4
The impact flexibility of composite is only 230kJ/m2, the impact of the shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment
Toughness reaches 460kJ/m2。
Experiment confirms that the shell-and-core structure titanio bar of the wear-resisting high-ductility prepared by the present invention not only substantially increases the wearability of titanium material
Can, and ensure that its higher toughness, considerably increase its service life.
Embodiment 3
Prepare the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, Circular Thin inner core is made；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material TA15 Titanium Powder and strengthen phase raw material TiB2Ceramics carries out ball milling and mixes powder, and ball milling turns
Speed is 150r/min, and ratio of grinding media to material is 31, and Ball-milling Time is 5h；It is subsequently poured into the space between mould and thin-walled inner core, then will
The TC4 titanium alloy powder making core pours thin-walled inner core into, shell and core powder is tamped afterwards, extracts thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, and hot pressed sintering temperature is 1300 DEG C, and hot pressed sintering pressure is 30MPa, and hot pressing is burnt
The knot time is 3h, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
Wherein, phase raw material TiB is strengthened2The quality of ceramics accounts for the 7.06% of Shell Materials gross mass.
The shell of the shell-and-core structure titanio bar of the wear-resisting high-ductility that the present embodiment is prepared strengthens phase TiBw account in shell
12vol.%.
The shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment, its shell thickness is 5mm, and core diameters is
30mm。
The shell-and-core structure titanio bar different parts of the wear-resisting high-ductility preparing the present embodiment carries out hardness test and shows, shell
(12vol.%TiBw/TA15) hardness reaches HRC56, and core (TC4 titanium alloy) hardness is HRC32.Room temperature rubs
Wear test test result shows, the coefficient of friction of TC4 titanium alloy is 0.5, and the shell of wear-resisting high-ductility prepared by the present embodiment
The coefficient of friction of cored structure titanio bar is only 0.25.
Room temperature impact toughness test result shows, the impact flexibility of TC4 titanium alloy is 500kJ/m2, 12vol.%TiBw/TA15
The impact flexibility of composite is only 210kJ/m2, the impact of the shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment
Toughness reaches 440kJ/m2。
Experiment confirms that the shell-and-core structure titanio bar of the wear-resisting high-ductility prepared by the present invention not only substantially increases the wearability of titanium material
Can, and ensure that its higher toughness, considerably increase its service life.
Embodiment 4
Prepare the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, Circular Thin inner core is made；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material TC4 Titanium Powder and strengthen phase raw material B4C ceramics carries out ball milling and mixes powder, rotational speed of ball-mill
For 180r/min, ratio of grinding media to material is 31, and Ball-milling Time is 4h；It is subsequently poured into the space between mould and thin-walled inner core, then will system
The TC4 titanium alloy powder becoming core pours thin-walled inner core into, shell and core powder is tamped afterwards, extracts thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, and hot pressed sintering temperature is 1200 DEG C, and hot pressed sintering pressure is 30MPa, and hot pressing is burnt
The knot time is 2h, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
Wherein, phase raw material B is strengthened4The quality of C ceramics accounts for the 2.86% of Shell Materials gross mass.
The shell of the shell-and-core structure titanio bar of the wear-resisting high-ductility that the present embodiment is prepared strengthens phase TiBw+TiCp at shell
In account for 15vol.%.
The shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment, its shell thickness is 3mm, and core diameters is
15mm。
The shell-and-core structure titanio bar different parts of the wear-resisting high-ductility preparing the present embodiment carries out hardness test and shows, shell
15vol.% (TiBw+TiCp)/TC4 hardness reaches HRC57, and core (TC4 titanium alloy) hardness is HRC32.Room temperature is rubbed
Scouring is damaged experimental test result and is shown, the coefficient of friction of TC4 titanium alloy is 0.5, and wear-resisting high-ductility prepared by the present embodiment
The coefficient of friction of shell-and-core structure titanio bar is only 0.24.
Room temperature impact toughness test result shows, the impact flexibility of TC4 titanium alloy is 500kJ/m2, 15vol.%
(TiBw+TiCp) impact flexibility of/TC4 composite is only 220kJ/m2, the shell core knot of wear-resisting high-ductility prepared by the present embodiment
The impact flexibility of structure titanio bar reaches 420kJ/m2。
Experiment confirms that the shell-and-core structure titanio bar of the wear-resisting high-ductility prepared by the present invention not only substantially increases the wearability of titanium material
Can, and ensure that its higher toughness, considerably increase its service life.
Embodiment 5
Prepare the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, Circular Thin inner core is made；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material TB8 Titanium Powder and strengthen phase raw material LaB6Ceramics carries out ball milling and mixes powder, and ball milling turns
Speed is 120r/min, and ratio of grinding media to material is 31, and Ball-milling Time is 6h；It is subsequently poured into the space between mould and thin-walled inner core, then will
The TC4 titanium alloy powder making core pours thin-walled inner core into, shell and core powder is tamped afterwards, extracts thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, and hot pressed sintering temperature is 1400 DEG C, and hot pressed sintering pressure is 15MPa, and hot pressing is burnt
The knot time is 2h, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
Wherein, phase raw material LaB is strengthened6The quality of ceramics accounts for the 4.4% of Shell Materials gross mass.
The shell of the shell-and-core structure titanio bar of the wear-resisting high-ductility that the present embodiment is prepared strengthens phase TiBw+La2O3At shell
In account for 10vol.%.
The shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment, its shell thickness is 5mm, and core diameters is
80mm。
The shell-and-core structure titanio bar different parts of the wear-resisting high-ductility preparing the present embodiment carries out hardness test and shows, shell
10vol.% (TiBw+La2O3)/TB8 hardness reaches HRC56, and core (TC4 titanium alloy) hardness is HRC32.Room temperature is rubbed
Scouring is damaged experimental test result and is shown, the coefficient of friction of TC4 titanium alloy is 0.5, and wear-resisting high-ductility prepared by the present embodiment
The coefficient of friction of shell-and-core structure titanio bar is only 0.26.
Room temperature impact toughness test result shows, the impact flexibility of TC4 titanium alloy is 500kJ/m2,
10vol.% (TiBw+La2O3The impact flexibility of)/TB8 composite is only 220kJ/m2, wear-resisting high-ductility prepared by the present embodiment
The impact flexibility of shell-and-core structure titanio bar reach 460kJ/m2。
Experiment confirms that the shell-and-core structure titanio bar of the wear-resisting high-ductility prepared by the present invention not only substantially increases the wearability of titanium material
Can, and ensure that its higher toughness, considerably increase its service life.
Embodiment 6
Prepare the shell-and-core structure titanio bar of wear-resisting high-ductility according to the following steps:
One, Circular Thin inner core is made；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material TC4 Titanium Powder and strengthen phase raw material TiB2Ceramics carries out ball milling and mixes powder, and ball milling turns
Speed is 200r/min, and ratio of grinding media to material is 31, and Ball-milling Time is 5h；It is subsequently poured into the space between mould and thin-walled inner core, then will
The TA5 titanium alloy powder making core pours thin-walled inner core into, shell and core powder is tamped afterwards, extracts thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, and hot pressed sintering temperature is 1300 DEG C, and hot pressed sintering pressure is 30MPa, and hot pressing is burnt
The knot time is 2h, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
Wherein, phase raw material TiB is strengthened2The quality of ceramics accounts for the 11.76% of Shell Materials gross mass.
The shell of the shell-and-core structure titanio bar of the wear-resisting high-ductility that the present embodiment is prepared strengthens phase TiBw account in shell
20vol.%.
The shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment, its shell thickness is 3mm, and core diameters is
40mm。
The shell-and-core structure titanio bar different parts of the wear-resisting high-ductility preparing the present embodiment carries out hardness test and shows, shell
(20vol.%TiBw/TC4) hardness reaches HRC60, and core (TA5 titanium alloy) hardness is HRC27.Room temperature friction mill
Damaging experimental test result to show, the coefficient of friction of TA5 titanium alloy is 0.65, and the shell core of wear-resisting high-ductility prepared by the present embodiment
The coefficient of friction of structure titanio bar is only 0.2.
Room temperature impact toughness test result shows, the impact flexibility of TA5 titanium alloy is 480kJ/m2, 20vol.%TiBw/TC4
The impact flexibility of composite is only 160kJ/m2, the impact of the shell-and-core structure titanio bar of wear-resisting high-ductility prepared by the present embodiment
Toughness reaches 445kJ/m2。
Experiment confirms that the shell-and-core structure titanio bar of the wear-resisting high-ductility prepared by the present invention not only substantially increases the wearability of titanium material
Can, and ensure that its higher toughness, considerably increase its service life.
Claims (5)
1. the method preparing the shell-and-core structure titanio bar of wear-resisting high-ductility, it is characterised in that prepare wear-resisting high-ductility according to the following steps
Shell-and-core structure titanio bar:
One, thin-walled inner core is made according to the shape of bar core；
Two, thin-walled inner core is vertically put into hot pressed sintering mould central authorities；
Three, take shell matrix material powder and enhancing phase material powder carries out ball milling and mixes powder, be subsequently poured into mould and thin-walled inner core
Between space, then into the titanium or titanium alloy powder of making core are poured thin-walled inner core, afterwards shell and core powder are tamped,
Extract thin-walled inner core out；
Four, evacuation carries out hot pressed sintering, i.e. obtains the shell-and-core structure titanio bar of wear-resisting high-ductility.
The preparation method of the shell-and-core structure titanio bar of wear-resisting high-ductility the most according to claim 1, it is characterised in that step
In three, rotational speed of ball-mill is 120～200r/min, and ratio of grinding media to material is 31, and Ball-milling Time is 4～8h.
The preparation method of the shell-and-core structure titanio bar of wear-resisting high-ductility the most according to claim 1, it is characterised in that step
In four, hot pressed sintering temperature is 1000～1500 DEG C, and hot pressed sintering pressure is 10～100MPa, and the hot pressed sintering time is 0.5～5h.
The preparation method of the shell-and-core structure titanio bar of wear-resisting high-ductility the most according to claim 1, it is characterised in that step
Strengthening phase raw material in three is TiB2、B4C、LaB6, B, C or SiC；Matrix material is that TA, TB or TC series titanium closes
Gold；Core titanium alloy is TA, TB or TC series titanium alloy.
The preparation method of the shell-and-core structure titanio bar of wear-resisting high-ductility the most according to claim 1, it is characterised in that step
Strengthening the volume ratio with matrix material in three shells is 3 97～25 75.
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| CN109338159B (en) * | 2018-12-28 | 2020-10-02 | 哈尔滨工业大学（威海） | Preparation method of high-plasticity titanium-based composite material |
| CN110344054A (en) * | 2019-08-08 | 2019-10-18 | 上海交通大学 | It is a kind of to utilize LaB6The method that titanium-based laser cladding coating is modified |
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|---|---|---|---|---|
| JPH02217359A (en) * | 1989-02-20 | 1990-08-30 | Tokyo Koukiyuu Rozai Kk | Titanium carbon nitride based toughened ceramics |
| CN101443472A (en) * | 2006-05-12 | 2009-05-27 | 普莱克斯S.T.技术有限公司 | Thermal spray coated work rolls |
| CN101418444A (en) * | 2008-11-28 | 2009-04-29 | 沈阳大学 | Method for preparing vacuum hotpressing sintered wear-resistant coating on surface of metallic titanium and titanium alloy base material |
| CN101845581B (en) * | 2010-05-26 | 2012-01-25 | 四川大学 | Production method of metal ceramic surface wear-resistant material |
| CN103934535B (en) * | 2014-04-25 | 2016-01-06 | 西南交通大学 | A kind of preparation method of wear-proof alloy stick |
| CN103993311A (en) * | 2014-06-06 | 2014-08-20 | 江苏大学 | Method for preparing Ti-Si alloy coating on titanium metal surface |
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2014
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