CN104841928B - Rear axle shaft of fuel-electric hybrid power tricycle and preparation technology of rear axle shaft - Google Patents
Rear axle shaft of fuel-electric hybrid power tricycle and preparation technology of rear axle shaft Download PDFInfo
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- CN104841928B CN104841928B CN201510295040.8A CN201510295040A CN104841928B CN 104841928 B CN104841928 B CN 104841928B CN 201510295040 A CN201510295040 A CN 201510295040A CN 104841928 B CN104841928 B CN 104841928B
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Abstract
The invention belongs to the field of manufacturing of machinery, and particularly relates to a rear axle shaft of a fuel-electric hybrid power tricycle. The rear axle shaft of the fuel-electric hybrid power tricycle is prepared by the following raw materials in part by weight: 1-2 parts of titanium dioxide, 1-2 parts of yttrium oxide, 1-2 parts of cerium oxide, 2-3 parts of chromium powder, 2-3 parts of graphite fibers, 3-4 parts of kieselguhr, 4-5 parts of silicon nitride, 5-7 parts of molybdenum powder, 6-8 parts of nickel powder, 15-20 parts of manganese powder, 25-30 parts of copper powder and 800-1000 parts of stainless steel powder. The rear axle shaft has excellent mechanical performance and anti-fatigue performance, and is suitable for the fuel-electric hybrid power tricycle.
Description
Technical field
The invention belongs to mechanical manufacturing field is and in particular to a kind of gas-electric hybrid tricycle rear axle shaft and its preparation
Technique.
Background technology
With the day by day scarcity of the energy and increasingly increasing of environmental pollution, the oil electricity mixing with effects of energy conservation and environmental protection is dynamic
Power tricycle has been increasingly becoming the Main way of following compact car development.Rear axle shaft is the direct drive that wheel of vehicle rotates
Part, is a strength member of car transmitting torque.During vehicle motion, power is delivered on wheel by car rear axle semi-axis, promotes
Automobile advances or pours into, therefore, rear axle shaft operationally have withstand shocks, the work of reversed bending fatigue load and torsion
With so requiring that rear axle shaft has enough ferrum bending strengths, shearing strength and preferable toughness.The back axle of prior art half
There is mechanical performance and fatigue life poor defect in axle.
Content of the invention
The technical problem to be solved is to provide gas-electric hybrid tricycle rear axle shaft, and this rear axle shaft has
Standby excellent mechanical performance and anti-fatigue performance；Present invention also offers the preparation technology of above-mentioned rear axle shaft.
In order to solve above-mentioned technical problem, the technical scheme is that：
Gas-electric hybrid tricycle rear axle shaft, it is prepared from by the raw material of following weight portion：
Titanium dioxide 1-2 part, yittrium oxide 1-2 part, cerium oxide 1-2 part, chromium powder 2-3 part, graphite fibre 2-3 part, kieselguhr
3-4 part, silicon nitride 4-5 part, molybdenum powder 5-7 part, nikel powder 6-8 part, manganese powder 15-20 part, copper powder 25-30 part, stainless steel powder 800-
1000 parts.
Preferably, the particle diameter of titanium dioxide, yittrium oxide or cerium oxide is 10-20nm；A diameter of 5-10um of graphite fibre,
Length is 20-50um；The particle diameter of chromium powder, molybdenum powder, nikel powder, manganese powder, copper powder and stainless steel powder is 200 mesh；
The preparation technology of above-mentioned rear axle shaft comprises the steps：
Weigh each raw material for standby according to weight portion；
Kieselguhr is added in stirred reactor, then adds the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min,
Centrifugation removes supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains final product material A；
Silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then powder is placed in blender, subsequently adds
Plus modifying agent, 500 turns/min stirring 3min, finally stand 12 hours, obtain final product material B；Described modifying agent is by isopropyl titanate, water
And acetone is according to 1：1：1 weight is obtained than mix homogeneously；The addition of described modifying agent be silicon nitride quality ten/
One.
By titanium dioxide, yittrium oxide, cerium oxide, chromium powder, material A, material B, molybdenum powder, nikel powder, manganese powder, copper powder and stainless
Comminuted steel shot is added in stirred reactor successively, and 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs
3min, obtains mixed material；
The furnace temperature of electric arc furnace is preheated to 450-550 DEG C, is subsequently adding mixed material, be heated to 1200-1300 DEG C, insulation
30-40min；Subsequently into LF stove refine, refining temperature is 1600-1650 DEG C, and the time, overall process was in argon in 80-120min
Carry out under protection；After the completion of refine, it is de-gassed with vacuum degassing furnace, degassing temperature is 1450-1550 DEG C, vacuum 40-45
Handkerchief, degassing time is in 50-60min；
After the completion of degassing, room temperature is cooled to the rate of temperature fall of 8 DEG C/s, carries out preliminary hot rolling, preliminary hot-rolled temperature is 1000-
1100 DEG C, after the completion of preliminary hot rolling, room temperature is cooled to the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, secondary hot rolling
Temperature is 800-850 DEG C, after the completion of second heat rolls, is cooled to 150-200 DEG C with the rate of temperature fall of 10 DEG C/s, is incubated 3-4h, finally
Room temperature is cooled to the rate of temperature fall of 10 DEG C/s, Shot Blasting obtains final product.
The beneficial effect that the present invention obtains mainly includes：
Possess preferable synergism between each material component of the present invention, higher mechanical hardness can be reached, tension is strong
Degree and bending strength, are also equipped with preferable decay resistance and fatigue life.The present invention uses the titanium dioxide of Nano grade, oxygen
Change yttrium, cerium oxide, granularity is little, formed and diffuse strengthening, intensity can be improved, be also equipped with certain lubrication；It is right that the present invention passes through
Silicon nitride is modified, and improves the dispersion effect of silicon nitride, it is to avoid piles up, improves corrosion-resistant and cold and hot stability；
Kieselguhr strengthens to matrix material filling, improves antiwear and antifriction ability and the effect of softening temperature；The present invention adds graphite fibre,
Make the uniformity in length and breadth of interiors of products organizational structure, alloy powder is uniformly dispersed, and substantially increase wearability and anti-corruption
Corrosion energy.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application tool
Body embodiment, is more clearly and completely described to the present invention it is clear that described embodiment is only the application one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making
The every other embodiment being obtained under the premise of creative work, all should belong to the scope of protection of the invention.
Embodiment 1
Gas-electric hybrid tricycle rear axle shaft, it is prepared from by the raw material of following weight portion：
1 part of titanium dioxide, 1 part of yittrium oxide, 1 part of cerium oxide, 2 parts of chromium powder, 2 parts of graphite fibre, 3 parts of kieselguhr, silicon nitride 4
Part, 5 parts of molybdenum powder, 6 parts of nikel powder, 15 parts of manganese powder, 25 parts of copper powder, stainless steel powder（Ferrite stainless comminuted steel shot, divides for 15% mass containing chromium
Number）800 parts.
Wherein, the particle diameter of titanium dioxide, yittrium oxide or cerium oxide is 10nm；A diameter of 5um of graphite fibre, length is
20um；The particle diameter of chromium powder, molybdenum powder, nikel powder, manganese powder, copper powder and stainless steel powder is 200 mesh；
The preparation technology of above-mentioned rear axle shaft comprises the steps：
Weigh each raw material for standby according to weight portion；
Kieselguhr is added in stirred reactor, then adds the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min,
Centrifugation removes supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains final product material A；
Silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then powder is placed in blender, subsequently adds
Plus modifying agent, 500 turns/min stirring 3min, finally stand 12 hours, obtain final product material B；Described modifying agent is by isopropyl titanate, water
And acetone is according to 1：1：1 weight is obtained than mix homogeneously；The addition of described modifying agent be silicon nitride quality ten/
One；
By titanium dioxide, yittrium oxide, cerium oxide, chromium powder, material A, material B, molybdenum powder, nikel powder, manganese powder, copper powder and stainless
Comminuted steel shot is added in stirred reactor successively, and 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs
3min, obtains mixed material；
The furnace temperature of electric arc furnace is preheated to 450 DEG C, is subsequently adding mixed material, be heated to 1200 DEG C, be incubated 30min；So
Enter LF stove refine afterwards, refining temperature is 1600 DEG C, the time is carried out under argon protection in 80min, overall process；Refine completes
Afterwards, it is de-gassed with vacuum degassing furnace, degassing temperature is 1450 DEG C, vacuum 40 handkerchief, and degassing time is in 50min；
After the completion of degassing, room temperature is cooled to the rate of temperature fall of 8 DEG C/s, carries out preliminary hot rolling, preliminary hot-rolled temperature is 1000
DEG C, after the completion of preliminary hot rolling, room temperature is cooled to the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, the temperature of secondary hot rolling
For 800 DEG C, after the completion of second heat rolls, it is cooled to 150 DEG C with the rate of temperature fall of 10 DEG C/s, be incubated 3h, finally with the cooling of 10 DEG C/s
Speed is cooled to room temperature, and Shot Blasting obtains final product.
Embodiment 2
Gas-electric hybrid tricycle rear axle shaft, it is prepared from by the raw material of following weight portion：
2 parts of titanium dioxide, 2 parts of yittrium oxide, 2 parts of cerium oxide, 3 parts of chromium powder, 3 parts of graphite fibre, 4 parts of kieselguhr, silicon nitride 5
Part, 7 parts of molybdenum powder, 8 parts of nikel powder, 20 parts of manganese powder, 30 parts of copper powder, 1000 parts of stainless steel powder.
Wherein, the particle diameter of titanium dioxide, yittrium oxide or cerium oxide is 20nm；A diameter of 10um of graphite fibre, length is
50um；The particle diameter of chromium powder, molybdenum powder, nikel powder, manganese powder, copper powder and stainless steel powder is 200 mesh；
The preparation technology of above-mentioned rear axle shaft comprises the steps：
Weigh each raw material for standby according to weight portion；
Kieselguhr is added in stirred reactor, then adds the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min,
Centrifugation removes supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains final product material A；
Silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then powder is placed in blender, subsequently adds
Plus modifying agent, 500 turns/min stirring 3min, finally stand 12 hours, obtain final product material B；Described modifying agent is by isopropyl titanate, water
And acetone is according to 1：1：1 weight is obtained than mix homogeneously；The addition of described modifying agent be silicon nitride quality ten/
One；
By titanium dioxide, yittrium oxide, cerium oxide, chromium powder, material A, material B, molybdenum powder, nikel powder, manganese powder, copper powder and stainless
Comminuted steel shot is added in stirred reactor successively, and 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs
3min, obtains mixed material；
The furnace temperature of electric arc furnace is preheated to 550 DEG C, is subsequently adding mixed material, be heated to 1300 DEG C, be incubated 40min；So
Enter LF stove afterwards（Ladle refining furnace）Refine, refining temperature is 1650 DEG C, and the time enters under argon protection in 120min, overall process
OK；After the completion of refine, it is de-gassed with vacuum degassing furnace, degassing temperature is 1550 DEG C, vacuum 45 handkerchief, and degassing time exists
60min；
After the completion of degassing, room temperature is cooled to the rate of temperature fall of 8 DEG C/s, carries out preliminary hot rolling, preliminary hot-rolled temperature is 1100
DEG C, after the completion of preliminary hot rolling, room temperature is cooled to the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, the temperature of secondary hot rolling
For 850 DEG C, after the completion of second heat rolls, it is cooled to 200 DEG C with the rate of temperature fall of 10 DEG C/s, be incubated 4h, finally with the cooling of 10 DEG C/s
Speed is cooled to room temperature, and Shot Blasting obtains final product.
Embodiment 3
Measuring mechanical property：The GCr15 steel alloy commonly used using market as a control group, is respectively provided with three groups：1 is real
Apply 1 group of example, 2 is 2 groups of embodiment, 3 is matched group；Specific test result such as table 2 below：
Table 2
Conclusion：The rear axle shaft of present invention preparation is in tensile strength, bending strength, elongation after fracture, hardness and impact
The aspects such as work(show preferable performance, have fully met the market demand.
According to national standard QC/T293-1999, the semiaxis torsional fatigue life of Example 1 and Example 2 of the present invention preparation
B50More than 30 × 104, B10More than 20 × 104, meet industry relevant criterion.
Although, above with general explanation and specific embodiment, this case has been made with detailed explanation, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
The modification made without departing from theon the basis of the spirit of the present invention or improvement, belong to the scope of protection of present invention.
Claims (3)
1. gas-electric hybrid tricycle rear axle shaft it is characterised in that described rear axle shaft by following weight portion raw material system
Standby form：
Titanium dioxide 1-2 part, yittrium oxide 1-2 part, cerium oxide 1-2 part, chromium powder 2-3 part, graphite fibre 2-3 part, kieselguhr 3-4
Part, silicon nitride 4-5 part, molybdenum powder 5-7 part, nikel powder 6-8 part, manganese powder 15-20 part, copper powder 25-30 part, stainless steel powder 800-1000
Part.
2. rear axle shaft according to claim 1 is it is characterised in that the grain of described titanium dioxide, yittrium oxide or cerium oxide
Footpath is 10-20nm；A diameter of 5-10um of described graphite fibre, length is 20-50um；Described chromium powder, molybdenum powder, nikel powder, manganese powder,
The particle diameter of copper powder or stainless steel powder is 200 mesh.
3. rear axle shaft according to claim 1 and 2 it is characterised in that the preparation technology of described rear axle shaft include as
Lower step：
Weigh each raw material for standby according to weight portion；
Kieselguhr is added in stirred reactor, then adds the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugation
Remove supernatant liquid, dry, being ground to particle diameter is 200 mesh, obtains final product material A；
Silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then powder is placed in blender, subsequently adds and changes
Property agent, 500 turns/min stir 3min, finally stand 12 hours, obtain final product material B；Described modifying agent by isopropyl titanate, water and
Acetone is according to 1：1：1 weight is obtained than mix homogeneously；The addition of described modifying agent is 1/10th of silicon nitride quality；
By titanium dioxide, yittrium oxide, cerium oxide, chromium powder, material A, material B, molybdenum powder, nikel powder, manganese powder, copper powder and stainless steel powder
It is added to successively in stirred reactor, 300 turns/min stirs 15min, then adds graphite fibre, 200 turns/min stirs 3min,
Obtain mixed material；
The furnace temperature of electric arc furnace is preheated to 450-550 DEG C, is subsequently adding mixed material, be heated to 1200-1300 DEG C, be incubated 30-
40min；Subsequently into LF stove refine, overall process is carried out under argon protection；After the completion of refine, taken off with vacuum degassing furnace
Gas；
After the completion of degassing, carry out hot rolling, be then down to room temperature, last Shot Blasting obtains final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295040.8A CN104841928B (en) | 2015-06-02 | 2015-06-02 | Rear axle shaft of fuel-electric hybrid power tricycle and preparation technology of rear axle shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295040.8A CN104841928B (en) | 2015-06-02 | 2015-06-02 | Rear axle shaft of fuel-electric hybrid power tricycle and preparation technology of rear axle shaft |
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| CN104841928B true CN104841928B (en) | 2017-02-22 |
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| US7235212B2 (en) * | 2001-02-09 | 2007-06-26 | Ques Tek Innovations, Llc | Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels and method of making said steels |
| CN101328562B (en) * | 2008-07-17 | 2011-01-26 | 中国科学院等离子体物理研究所 | Oxide dispersion strengthening low activity martensitic steel material and preparation thereof |
| WO2010091704A1 (en) * | 2009-02-16 | 2010-08-19 | Bayer International Sa | A compound material comprising a metal and nano particles and a method for producing the same |
| CN103540854B (en) * | 2013-10-11 | 2016-08-17 | 芜湖市鸿坤汽车零部件有限公司 | A kind of sintered metal powder bearing steel and preparation method thereof |
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Effective date of registration: 20200110 Address after: 276015 Lanshan Economic Development Zone, Linyi City, Shandong Province (Zhufeng Road, machanghu town) Patentee after: Shandong Jinli Industry Co. Address before: 276015 Lanshan District Industrial Park, Linyi, Shandong province (Malan Lake resident) Patentee before: Shandong Mount Everest Che Ye company limited |