A method of improving metal matrix ceramic composites wearabilityTechnical field
The present invention relates to technical field of composite materials, and in particular to a kind of to improve metal matrix ceramic composites wearabilitiesMethod.
Background technique
Wearability refers to the ability that material resists mechanical wear, and under the conditions of the mill of certain loading is fast, unit area is in listThe abrasion of position time, are indicated with the abrasion loss of sample, and the difference of quality is divided by by flour milling after it is equal to quality before sample is ground and grindsProduct is indicated with wear rate of the material under regulation friction condition or the inverse of wear intensity；Metal matrix ceramic composites be byThe composite material of ceramic hard phase and metal or alloy bonding phase composition had both maintained the high intensity, high rigidity, wear-resisting of ceramicsThe characteristics such as damage, high temperature resistant, anti-oxidant and chemical stability, and there is preferable metal toughness and plasticity, therefore applied metalThe place of based composite ceramic material is more and more, but its surface property is not fine, therefore the present invention is by further probing into, rightIt is surface-treated, and the material wear ability prepared is more preferable.
Existing Chinese patent literature (publication number：CN104496548B a kind of metal ceramic surface processing method) is disclosed,Ceramic body is placed in the vacuum tank full of carbon-source gas, ceramic sintering temperature, vacuum degree 9 are being greater than or equal to-2-10-2Under conditions of MPa, Carburization Treatment is carried out, heat preservation took out ceramic after 2-4 hours, and carburizing finishes, which singly uses carburizingMethod is surface-treated it, though can improve surface property, improvement is not very well, to still need to further improve.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of method for improving metal matrix ceramic composites wearabilityThe problem of being proposed in background technique.
To achieve the above object, the present invention provides the following technical solutions：
The present invention provides a kind of methods for improving metal matrix ceramic composites wearability, include the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 12-16min, withCleaning 3-5min is carried out with ethyl alcohol afterwards, is subsequently sent to carry out surface treatment 65-75min in sputtering chamber, is formed with a thickness of 0.02-The surface covering of 0.08um；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 12-14min.
It is as further scheme of the invention：The preprocess method is that matrix is placed in quenched place of 840-860 DEG C of elder generation25-35min is managed, then the cooling 1-2h in 550-570 DEG C of furnace, is finally cooled to room temperature with 5-7 DEG C/min.
It is as further scheme of the invention：Vacuum degree is 25-35MPa, sputtering power 2-6W/ in the sputtering chambercm2。
It is as further scheme of the invention：Vacuum degree is 30MPa, sputtering power 4W/cm in the sputtering chamber2。
It is as further scheme of the invention：It is also used at rotating excitation field when being surface-treated in the sputtering chamberReason.
It is as further scheme of the invention：The rotating excitation field processing field frequency is 7-9Hz.
It is as further scheme of the invention：The induction coil heating temperature is 320-360 DEG C.
It is as further scheme of the invention：The induction coil and step 1 process storeroom away from for 4-8mm.
It is as further scheme of the invention：The ultrasonic power is 1-2KW, supersonic frequency 22-26KHz.
It is as further scheme of the invention：The ultrasonic power is 1.5KW, supersonic frequency 24KHz.
Compared with prior art, the present invention has following beneficial effect：
For the present invention first using pretreatment, preprocess method is that matrix is placed in 840-860 DEG C of first modifier treatment 25-35min,The then cooling 1-2h in 550-570 DEG C of furnace, is finally cooled to room temperature with 5-7 DEG C/min, can improve base after pretreatmentBody surface property enhances its surface abrasion resistance, while improving its subsequent processing performance, then in sputtering chamberReason, and the processing of accompanying rotation magnetic field is handled, the film that can form sputter process further aoxidizes, can further enhance matrixWearability, induction coil are heat-treated the coefficient of friction that can further decrease surface film oxide to it, and it is wear-resisting then to enhance itsProperty.
Specific embodiment
Combined with specific embodiments below, technical scheme in the embodiment of the invention is clearly and completely described, showsSo, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present inventionExample is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs toIn the scope of protection of the invention.
Embodiment 1：
A kind of method of raising metal matrix ceramic composites wearability of the present embodiment, includes the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 12min, thenCleaning 3min is carried out with ethyl alcohol, is subsequently sent to carry out surface treatment 65min in sputtering chamber, is formed and is applied with a thickness of the surface of 0.02umLayer；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 12min.
The preprocess method of the present embodiment is that matrix is placed in 840 DEG C of first modifier treatment 25min, then in 550 DEG C of furnaceMiddle cooling 1h, is finally cooled to room temperature with 5 DEG C/min.
Vacuum degree is 25MPa, sputtering power 2W/cm in the sputtering chamber of the present embodiment2。
Also rotating excitation field is used to handle when being surface-treated in the sputtering chamber of the present embodiment.
The rotating excitation field processing field frequency of the present embodiment is 7Hz.
The induction coil heating temperature of the present embodiment is 320 DEG C.
The induction coil of the present embodiment and step 1 process storeroom away from for 4mm.
The ultrasonic power of the present embodiment is 1KW, supersonic frequency 22KHz.
Embodiment 2：
A kind of method of raising metal matrix ceramic composites wearability of the present embodiment, includes the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 16min, thenCleaning 5min is carried out with ethyl alcohol, is subsequently sent to carry out surface treatment 75min in sputtering chamber, is formed and is applied with a thickness of the surface of 0.08umLayer；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 14min.
The preprocess method of the present embodiment is that matrix is placed in 860 DEG C of first modifier treatment 35min, then in 570 DEG C of furnaceMiddle cooling 2h, is finally cooled to room temperature with 7 DEG C/min.
Vacuum degree is 35MPa, sputtering power 6W/cm in the sputtering chamber of the present embodiment2。
Also rotating excitation field is used to handle when being surface-treated in the sputtering chamber of the present embodiment.
The rotating excitation field processing field frequency of the present embodiment is 9Hz.
The induction coil heating temperature of the present embodiment is 360 DEG C.
The induction coil of the present embodiment and step 1 process storeroom away from for 8mm.
The ultrasonic power of the present embodiment is 2KW, supersonic frequency 26KHz.
Embodiment 3：
A kind of method of raising metal matrix ceramic composites wearability of the present embodiment, includes the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 14min, thenCleaning 4min is carried out with ethyl alcohol, is subsequently sent to carry out surface treatment 70min in sputtering chamber, is formed and is applied with a thickness of the surface of 0.05umLayer；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 13min.
The preprocess method of the present embodiment is that matrix is placed in 850 DEG C of first modifier treatment 30min, then in 560 DEG C of furnaceMiddle cooling 1.5h, is finally cooled to room temperature with 6 DEG C/min.
Vacuum degree is 35MPa, sputtering power 6W/cm in the sputtering chamber of the present embodiment2。
Also rotating excitation field is used to handle when being surface-treated in the sputtering chamber of the present embodiment.
The rotating excitation field processing field frequency of the present embodiment is 9Hz.
The induction coil heating temperature of the present embodiment is 360 DEG C.
The induction coil of the present embodiment and step 1 process storeroom away from for 8mm.
The ultrasonic power of the present embodiment is 2KW, supersonic frequency 26KHz.
Embodiment 3：
A kind of method of raising metal matrix ceramic composites wearability of the present embodiment, includes the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 14min, thenCleaning 4min is carried out with ethyl alcohol, is subsequently sent to carry out surface treatment 70min in sputtering chamber, is formed and is applied with a thickness of the surface of 0.05umLayer；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 13min.
The preprocess method of the present embodiment is that matrix is placed in 850 DEG C of first modifier treatment 30min, then in 560 DEG C of furnaceMiddle cooling 1.5h, is finally cooled to room temperature with 6 DEG C/min.
Vacuum degree is 30MPa, sputtering power 4W/cm in the sputtering chamber of the present embodiment2。
Also rotating excitation field is used to handle when being surface-treated in the sputtering chamber of the present embodiment.
The rotating excitation field processing field frequency of the present embodiment is 8Hz.
The induction coil heating temperature of the present embodiment is 340 DEG C.
The induction coil of the present embodiment and step 1 process storeroom away from for 6mm.
The ultrasonic power of the present embodiment is 1.5KW, supersonic frequency 24KHz.
Embodiment 4：
A kind of method of raising metal matrix ceramic composites wearability of the present embodiment, includes the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 10min, thenCleaning 2min is carried out with ethyl alcohol, is subsequently sent to carry out surface treatment 60min in sputtering chamber, is formed and is applied with a thickness of the surface of 0.01umLayer；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 10min.
The preprocess method of the present embodiment is that matrix is placed in 830 DEG C of first modifier treatment 20min, then in 540 DEG C of furnaceMiddle cooling 0.8h, is finally cooled to room temperature with 4 DEG C/min.
Vacuum degree is 20MPa, sputtering power 1.5W/cm in the sputtering chamber of the present embodiment2。
Also rotating excitation field is used to handle when being surface-treated in the sputtering chamber of the present embodiment.
The rotating excitation field processing field frequency of the present embodiment is 5Hz.
The induction coil heating temperature of the present embodiment is 310 DEG C.
The induction coil of the present embodiment and step 1 process storeroom away from for 2mm.
The ultrasonic power of the present embodiment is 0.5KW, supersonic frequency 20KHz.
Embodiment 5：
A kind of method of raising metal matrix ceramic composites wearability of the present embodiment, includes the following steps：
Step 1 first pre-processes metal matrix ceramic composites matrix, followed by grinding process 18min, thenCleaning 6min is carried out with ethyl alcohol, is subsequently sent to carry out surface treatment 80min in sputtering chamber, is formed and is applied with a thickness of the surface of 0.1umLayer；
Step 2 is heat-treated it by induction coil for material is processed in step 1, then again using ultrasoundHandle 16min.
The preprocess method of the present embodiment is that matrix is placed in 870 DEG C of first modifier treatment 40min, then in 580 DEG C of furnaceMiddle cooling 2.5h, is finally cooled to room temperature with 8 DEG C/min.
Vacuum degree is 40MPa, sputtering power 8W/cm in the sputtering chamber of the present embodiment2。
Also rotating excitation field is used to handle when being surface-treated in the sputtering chamber of the present embodiment.
The rotating excitation field processing field frequency of the present embodiment is 8Hz.
The induction coil heating temperature of the present embodiment is 380 DEG C.
The induction coil of the present embodiment and step 1 process storeroom away from for 10mm.
The ultrasonic power of the present embodiment is 2KW, supersonic frequency 26KHz.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er QieIn the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matterFrom the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended powerBenefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claimsVariation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrappedContaining an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art shouldIt considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the artThe other embodiments being understood that.