CN104831201B - A kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation method thereof - Google Patents
A kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation method thereof Download PDFInfo
- Publication number
- CN104831201B CN104831201B CN201510300173.XA CN201510300173A CN104831201B CN 104831201 B CN104831201 B CN 104831201B CN 201510300173 A CN201510300173 A CN 201510300173A CN 104831201 B CN104831201 B CN 104831201B
- Authority
- CN
- China
- Prior art keywords
- powder
- rear axle
- axle shaft
- temperature
- hot rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention belongs to mechanical manufacturing field, be specifically related to a kind of Oil-electric hybrid power quadricycle rear axle shaft, its raw material includes stainless steel powder, manganese powder, nickel powder, molybdenum powder, silicon nitride, diatomite, chromium powder, graphite fibre, titanium valve, cerium oxide and yittrium oxide；Preparation method includes, 1) weigh raw material, and 2) prepare material 1,3) prepare material 2,4) and prepare mixed material, 5) refine and deaerate, and 6) hot rolling.Rear axle shaft prepared by the present invention shows preferable performance at aspects such as tensile strength, bending strength, elongation after fracture, hardness and ballistic works, has fully met the market demand.
Description
Technical field
The invention belongs to mechanical manufacturing field, be specifically related to a kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation technology thereof.
Background technology
Along with the day by day scarcity of the energy and day by day increasing the weight of of environmental pollution, the Oil-electric hybrid power quadricycle with effects of energy conservation and environmental protection has been increasingly becoming the Main way of following compact car development.Rear axle shaft is the direct actuator that wheel of vehicle rotates, and is a strength member of car transmission moment of torsion.During vehicle motion, power is delivered on wheel by vehicle rear axle semiaxis, automobile is promoted to advance or pour into, therefore, rear axle shaft operationally have withstand shocks, reversed bending fatigue load and the effect of torsion, thus require that rear axle shaft has enough iron bending strengths, shearing strength and preferable toughness.There is mechanical performance and poor defect fatigue life in the rear axle shaft of prior art.
Summary of the invention
The technical problem to be solved is to provide Oil-electric hybrid power quadricycle rear axle shaft, and this rear axle shaft possesses mechanical performance and the anti-fatigue performance of excellence；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
A kind of Oil-electric hybrid power quadricycle rear axle shaft, it is prepared from by the raw material of following weight portion:
Stainless steel powder 800-1000 part, manganese powder 20-25 part, nickel powder 10-12 part, molybdenum powder 6-9 part, silicon nitride 4-5 part, diatomite 3-4 part, chromium powder 3-4 part, graphite fibre 2-3 part, titanium valve 2-3 part, cerium oxide 1-2 part, yittrium oxide 1-2 part.
Preferably, stainless steel powder, manganese powder, nickel powder, the particle diameter of molybdenum powder and chromium powder is 200 mesh；A diameter of 5-10um of graphite fibre, a length of 20-50um；The particle diameter of titanium valve, yittrium oxide or cerium oxide is 50-100nm.
The preparation method of above-mentioned rear axle shaft comprises the steps:
Weigh raw material: weigh each raw material for standby according to weight portion；
Preparing material 1: silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, is then placed in mixer by powder, adds modifying agent subsequently, and 500 turns/min stirs 3min, finally stands 12 hours, obtains material 1；Described modifying agent is mixed prepared by isopropyl titanate, water and acetone according to the weight ratio of 1:1:1；The addition of described modifying agent is 1/10th of silicon nitride weight；
Preparing material 2: added to by diatomite in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains material 2；
Prepare mixed material: by stainless steel powder, manganese powder, nickel powder, molybdenum powder, material 1, material 2, chromium powder, titanium valve, cerium oxide and yittrium oxide add in stirred reactor successively, 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs 3min, obtains mixed material；
Refining and degassing: the furnace temperature of electric arc furnaces is preheated to 450-550 DEG C, is subsequently adding mixed material, be heated to 1200-1300 DEG C, be incubated 30-40min；Refining subsequently into LF stove, refining temperature is 1600-1650 DEG C, and the time is 80-120min, and overall process is carried out under argon shield；After having refined, being de-gassed with vacuum degassing furnace, degassing temperature is 1450-1550 DEG C, and vacuum 40-45 handkerchief, degassing time is at 50-60min；
Heat is pricked: after having deaerated, is cooled to room temperature with 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 preliminary hot rolling completes, it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, the temperature of secondary hot rolling is 800-850 DEG C, after second heat rolls into, it is cooled to 150-200 DEG C with the rate of temperature fall of 10 DEG C/s, is incubated 3-4h, finally it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, Shot Blasting and get final product.
The beneficial effect that the present invention obtains specifically includes that
Preferably synergy is possessed, it is possible to reach higher mechanical hardness, tensile strength and bending strength, be also equipped with preferable decay resistance and fatigue life between each material component of the present invention.The present invention uses the titanium valve of Nano grade, yittrium oxide, cerium oxide, and granularity is little, is formed and fills the air strengthening, can improve intensity, be also equipped with certain lubrication；The present invention, by being modified silicon nitride, improves the dispersion effect of silicon nitride, it is to avoid piles up, improves corrosion-resistant and cold and hot stability；Matrix material is filled enhancing, is improved antiwear and antifriction ability and the effect of softening temperature by diatomite；The present invention adds graphite fibre so that the uniformity in length and breadth of interiors of products institutional framework, and alloy powder is uniformly dispersed, and substantially increases wearability and corrosion resistance.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with the application specific embodiment, the present invention is more clearly and completely described, it is clear that, described embodiment is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of protection of the invention.
Embodiment 1
A kind of Oil-electric hybrid power quadricycle rear axle shaft, it is prepared from by the raw material of following weight portion:
Stainless steel powder (ferrite stainless comminuted steel shot, containing chromium 15%) 800 parts, manganese powder 20 parts, nickel powder 10 parts, molybdenum powder 6 parts, silicon nitride 4 parts, 3 parts of diatomite, chromium powder 3 parts, graphite fibre 2 parts, titanium valve 2 parts, cerium oxide 1 part, yittrium oxide 1 part.
Wherein, stainless steel powder, manganese powder, nickel powder, the particle diameter of molybdenum powder and chromium powder is 200 mesh；A diameter of 5um of graphite fibre, a length of 20um；The particle diameter of titanium valve, yittrium oxide or cerium oxide is 50nm.
The preparation method of above-mentioned rear axle shaft comprises the steps:
Weigh raw material: weigh each raw material for standby according to weight portion；
Preparing material 1: silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, is then placed in mixer by powder, adds modifying agent subsequently, and 500 turns/min stirs 3min, finally stands 12 hours, obtains material 1；Described modifying agent is mixed prepared by isopropyl titanate, water and acetone according to the weight ratio of 1:1:1；The addition of described modifying agent is 1/10th of silicon nitride weight；
Preparing material 2: added to by diatomite in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains material 2；
Prepare mixed material: by stainless steel powder, manganese powder, nickel powder, molybdenum powder, material 1, material 2, chromium powder, titanium valve, cerium oxide and yittrium oxide add in stirred reactor successively, 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs 3min, obtains mixed material；
Refining and degassing: the furnace temperature of electric arc furnaces is preheated to 450 DEG C, is subsequently adding mixed material, be heated to 1200 DEG C, be incubated 30min；Refining subsequently into LF stove (ladle refining furnace), refining temperature is 1600 DEG C, and the time is carried out under argon shield in 80min, overall process；After having refined, being de-gassed with vacuum degassing furnace, degassing temperature is 1450 DEG C, and vacuum 40 handkerchief, degassing time is at 50min；
Heat is pricked: after having deaerated, and is cooled to room temperature with the rate of temperature fall of 8 DEG C/s, uses and carries out preliminary hot rolling, preliminary hot-rolled temperature is 1000 DEG C, after preliminary hot rolling completes, it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, the temperature of secondary hot rolling is 800 DEG C, after second heat rolls into, it is cooled to 150 DEG C with the rate of temperature fall of 10 DEG C/s, is incubated 3h, finally it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, Shot Blasting and get final product.
Embodiment 2
A kind of Oil-electric hybrid power quadricycle rear axle shaft, it is prepared from by the raw material of following weight portion:
Stainless steel powder 1000 parts, manganese powder 25 parts, nickel powder 12 parts, molybdenum powder 9 parts, silicon nitride 5 parts, 4 parts of diatomite, chromium powder 4 parts, graphite fibre 3 parts, titanium valve 3 parts, cerium oxide 2 parts, yittrium oxide 2 parts.
Wherein, stainless steel powder, manganese powder, nickel powder, the particle diameter of molybdenum powder and chromium powder is 200 mesh；A diameter of 10um of graphite fibre, a length of 50um；The particle diameter of titanium valve, yittrium oxide or cerium oxide is 100nm.
The preparation method of above-mentioned rear axle shaft comprises the steps:
Weigh raw material: weigh each raw material for standby according to weight portion；
Preparing material 1: silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, is then placed in mixer by powder, adds modifying agent subsequently, and 500 turns/min stirs 3min, finally stands 12 hours, obtains material 1；Described modifying agent is mixed prepared by isopropyl titanate, water and acetone according to the weight ratio of 1:1:1；The addition of described modifying agent is 1/10th of silicon nitride weight；
Preparing material 2: added to by diatomite in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains material 2；
Prepare mixed material: by stainless steel powder, manganese powder, nickel powder, molybdenum powder, material 1, material 2, chromium powder, titanium valve, cerium oxide and yittrium oxide add in stirred reactor successively, 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs 3min, obtains mixed material；
Refining and degassing: the furnace temperature of electric arc furnaces is preheated to 550 DEG C, is subsequently adding mixed material, be heated to 1300 DEG C, be incubated 40min；Refining subsequently into LF stove, refining temperature is 1650 DEG C, and the time is carried out under argon shield in 120min, overall process；After having refined, being de-gassed with vacuum degassing furnace, degassing temperature is 1550 DEG C, and vacuum 45 handkerchief, degassing time is at 60min；
Heat is pricked: after having deaerated, and is cooled to room temperature with the rate of temperature fall of 8 DEG C/s, uses and carries out preliminary hot rolling, preliminary hot-rolled temperature is 1100 DEG C, after preliminary hot rolling completes, it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, the temperature of secondary hot rolling is 850 DEG C, after second heat rolls into, it is cooled to 200 DEG C with the rate of temperature fall of 10 DEG C/s, is incubated 4h, finally it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, Shot Blasting and get final product.
Embodiment 3
Measuring mechanical property: use the GCr15 steel alloy that market is commonly used as a control group, is respectively provided with three groups: 1 is embodiment 1 group, and 2 is embodiment 2 groups, and 3 is control group；Concrete result of the test such as table 1 below:
Table 1
Conclusion: rear axle shaft prepared by the present invention shows preferable performance at aspects such as tensile strength, bending strength, elongation after fracture, hardness and ballistic works, has fully met the market demand.
According to national standard QC/T293-1999, semiaxis torsional fatigue life B prepared by Example 1 and Example 2 of the present invention50More than 30 × 104, B10More than 20 × 104, meet industry relevant criterion.
Claims (2)
1. an Oil-electric hybrid power quadricycle rear axle shaft, it is characterised in that described rear axle shaft is prepared from by the raw material of following weight portion: stainless steel powder 800-1000 part, manganese powder 20-25 part, nickel powder 10-12 part, molybdenum powder 6-9 part, silicon nitride 4-5 part, diatomite 3-4 part, chromium powder 3-4 part, graphite fibre 2-3 part, titanium valve 2-3 part, cerium oxide 1-2 part, yittrium oxide 1-2 part；
The particle diameter of described stainless steel powder, manganese powder, nickel powder, molybdenum powder or chromium powder is 200 mesh；A diameter of 5-10um of described graphite fibre, a length of 20-50um；The particle diameter of described titanium valve, yittrium oxide or cerium oxide is 50-100nm.
Rear axle shaft the most according to claim 1, it is characterised in that the preparation method of described rear axle shaft comprises the steps:
1) raw material is weighed: weigh each raw material for standby according to weight portion；
2) preparing material 1: silicon nitride is delivered to ball mill, being milled to particle diameter is 200 mesh powder, is then placed in mixer by powder, adds modifying agent subsequently, and 500 turns/min stirs 3min, finally stands 12 hours, obtains material 1；Described modifying agent is mixed prepared by isopropyl titanate, water and acetone according to the weight ratio of 1:1:1；The addition of described modifying agent is 1/10th of silicon nitride weight；
3) preparing material 2: added to by diatomite in stirred reactor, then add the 1M hydrochloric acid of 2 times of weight, 200 turns/min stirs 5min, centrifugal segregation supernatant liquid, dries, and being ground to particle diameter is 200 mesh, obtains material 2；
4) mixed material is prepared: by stainless steel powder, manganese powder, nickel powder, molybdenum powder, material 1, material 2, chromium powder, titanium valve, cerium oxide and yittrium oxide add in stirred reactor successively, 300 turns/min stirs 15min, then adds graphite fibre, and 200 turns/min stirs 3min, obtains mixed material；
5) refine and deaerate: the furnace temperature of electric arc furnaces being preheated to 450-550 DEG C, is subsequently adding mixed material, being heated to 1200-1300 DEG C, being incubated 30-40min；Refining subsequently into LF stove, refining temperature is 1600-1650 DEG C, and the time is carried out under argon shield in 80-120min, overall process；After having refined, it is de-gassed with vacuum degassing furnace；
6) heat is pricked: after having deaerated, is cooled to room temperature with 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 preliminary hot rolling completes, it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, then carries out secondary hot rolling, the temperature of secondary hot rolling is 800-850 DEG C, after second heat rolls into, it is cooled to 150-200 DEG C with the rate of temperature fall of 10 DEG C/s, is incubated 3-4h, finally it is cooled to room temperature with the rate of temperature fall of 10 DEG C/s, Shot Blasting and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510300173.XA CN104831201B (en) | 2015-06-03 | 2015-06-03 | A kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510300173.XA CN104831201B (en) | 2015-06-03 | 2015-06-03 | A kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104831201A CN104831201A (en) | 2015-08-12 |
| CN104831201B true CN104831201B (en) | 2016-09-07 |
Family
ID=53809394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510300173.XA Active CN104831201B (en) | 2015-06-03 | 2015-06-03 | A kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104831201B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239004A (en) * | 2015-11-01 | 2016-01-13 | 山东黄金矿业(沂南)有限公司 | Mine car track for mine conveying |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820357A (en) * | 1988-03-10 | 1989-04-11 | Dana Corporation | Low grade material axle shaft |
| CN102154589A (en) * | 2011-03-25 | 2011-08-17 | 中国第一汽车集团公司 | Steel for rear axle shaft of heavy-load commercial vehicle |
| CN103071971A (en) * | 2012-08-22 | 2013-05-01 | 昌利锻造有限公司 | Machining method for automotive front axle half shaft |
-
2015
- 2015-06-03 CN CN201510300173.XA patent/CN104831201B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104831201A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104399970A (en) | Iron-based powder metallurgy friction material and preparation method thereof | |
| CN106399858B (en) | A kind of low-density Ti3Al enhancing unimach and preparation method thereof | |
| CN104745879A (en) | High-density ultra-high-strength Co-reinforced nickel-based high-tungsten heat-resistant alloy and preparation method | |
| CN100516593C (en) | Automobile rear-bridge spiral conic gear of manganese-copper alloy autenite-bainite nodular iron and its preparing method | |
| CN102703802A (en) | High-strength high-toughness low-temperature-resistant ferritic nodular cast iron | |
| CN105088017A (en) | Double-phase high-density kinetic energy tungsten-nickel-cobalt alloy capable of being cast and forged and preparation method | |
| CN108165828B (en) | A kind of abrasion-proof zinc-base alloy and preparation method thereof | |
| CN103614644A (en) | Highly-wear-resistant alloy steel material used for pump trucks and preparation method of the alloy steel material | |
| CN103009008A (en) | Manufacturing process of V-Cr-Ti alloy super-hemispherical shell | |
| CN104831201B (en) | A kind of Oil-electric hybrid power quadricycle rear axle shaft and preparation method thereof | |
| CN105256211A (en) | Graphene modifying Mg-Al-Mn magnesium alloy material for casting automobile parts and preparation method thereof | |
| CN108913995A (en) | A kind of HRB600E high-strength anti-seismic steel bar and its production method | |
| CN104711459A (en) | High-density ultrahigh-strength tungsten-cobalt heat-resistant alloy and preparation method thereof | |
| CN102864396B (en) | Low-alloy-steel seamless steel tube for nuclear power and production method thereof | |
| CN104841928B (en) | Rear axle shaft of fuel-electric hybrid power tricycle and preparation technology of rear axle shaft | |
| CN110423958A (en) | A kind of spindle and its processing technology | |
| CN103628001A (en) | Alloy steel material for corrosion-resistant pump valve and preparation method thereof | |
| CN102965542B (en) | Carbon-containing ultrahigh-strength titanium alloy | |
| CN103741060B (en) | A kind of containing yttrium roll alloy steel material and preparation method thereof | |
| CN105331865A (en) | Mg-Al-Zn system magnesium alloy material modified by nano-diamonds and used for casting automobile parts and manufacturing method of Mg-Al-Zn system magnesium alloy | |
| CN105385916A (en) | Nanometer chromium carbide-modified Mg-Al-Mn system magnesium alloy material for casting automobile parts and manufacturing method of nanometer chromium carbide-modified Mg-Al-Mn system magnesium alloy material | |
| CN111996369A (en) | Ferrochromium powder ball for steelmaking and preparation method thereof | |
| CN111139394A (en) | Preparation method of high-performance rough rolling working roll | |
| CN100420769C (en) | Rolling controlled and cooling controlled steel for hydraulic power station penstock and manufacture method thereof | |
| CN103924156B (en) | A kind of cupric strengthening steel and preparation method adding nanoparticle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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 |
|
| TR01 | Transfer of patent right |