CN107164668A - It is a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof - Google Patents
It is a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof Download PDFInfo
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- CN107164668A CN107164668A CN201710542597.6A CN201710542597A CN107164668A CN 107164668 A CN107164668 A CN 107164668A CN 201710542597 A CN201710542597 A CN 201710542597A CN 107164668 A CN107164668 A CN 107164668A
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- CN
- China
- Prior art keywords
- aluminium alloy
- yacht
- rare earth
- carry out
- main joist
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a kind of rare earth aluminium alloy for yacht main joist, it is characterised in that：Including following component：Si, Mg, Cu, Mn, Zr, La, Ce, Fe, Ti, surplus are Al and impurity, and its preparation method comprises the following steps：1：Prepare raw material；2：745 ~ 755 DEG C are warming up to after being stirred after melting；3：Degassing processing is carried out, is then stood, scum silica frost is removed；4：Carry out semi-continuous casting and obtain ingot casting；5：Homogenization Treatments；6：In temperature, 450 ~ 510 DEG C are incubated 1 ~ 2 hour, then carry out hot extrusion deformation, carry out wearing water online after depanning, obtain squeeze wood；7：Water quenching after solution treatment, artificial aging processing is carried out again, it is air-cooled to room temperature, obtain that superelevation is strong and corrosion resistant rare earth aluminium alloy keel section, tensile property of the present invention improves 25% 500 ~ 520MPa of intensity, and yield behavior improves 20% 460 ~ 500MPa of intensity, elongation percentage >=8%, Mn element corrosion resistances are added in aluminium alloy and improve 40%, aluminum alloy yacht loss of weight more than 50% more overall than steel yacht realizes the lightweight of yacht.
Description
Technical field
The present invention relates to a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof.
Background technology
With the rapid rising of water tourism industry, the manufacturing development of yacht is promoted.Aluminum alloy yacht material is again with it
Light weight, anticorrosive property are good, maintenance workload is few in the future for service life length, hull, the low plurality of advantages of use cost, and receive
The favor of people, market are increasingly expected to rise.Aluminum alloy material is mainly used in middle-size and small-size yacht, and the main aluminium alloy of barge is mainly used
In upholstery, main keel structure not enough appoints the steel so used due to the modulus of elasticity small intensity of aluminium.
The content of the invention
It is an object of the invention to provide a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof.
The technical solution adopted by the present invention is：
A kind of rare earth aluminium alloy for yacht main joist, it is characterised in that：Include the composition of following percentage by weight：Si：
0.8-1.2%、Mg：1.2-1.6%、Cu：0.4-0.8%、Mn：0.8-1.2%、Zr：0.05-0.25%、La：0.3-0.6%、Ce：
0.5-0.9%, Fe≤0.3%, Ti≤0.04%, surplus are Al and impurity.
A kind of its preparation method of rare earth aluminium alloy for yacht main joist, it is characterised in that：Comprise the following steps：
Step 1：Prepare raw material, by raw material in smelting furnace alloying；
Step 2：745 ~ 755 DEG C are warming up to after being stirred after melting；
Step 3：Degassing processing is carried out to step 2, then stood, scum silica frost is removed；
Step 4：Carry out semi-continuous casting and obtain ingot casting；
Step 5：Homogenization Treatments；
Step 6：In temperature, 450 ~ 510 DEG C are incubated 1 ~ 2 hour, then carry out hot extrusion deformation, carry out wearing water online after depanning, obtain
Obtain squeeze wood；
Step 7：Water quenching after solution treatment, then artificial aging processing is carried out, room temperature is air-cooled to, superelevation is obtained strong and corrosion resistant dilute
Native aluminium alloy joist section bar.
Advantages of the present invention：Tensile property improves 25% 500 ~ 520MPa of intensity, yield behavior improve 20% intensity 460 ~
Mn element corrosion resistances are added in 500MPa, elongation percentage >=8%, aluminium alloy and improve 40%, aluminum alloy yacht is than steel yacht
Overall loss of weight more than 50%, realizes the lightweight of yacht.
Embodiment
Embodiment 1
A kind of rare earth aluminium alloy for yacht main joist, it is characterised in that：Include the composition of following percentage by weight：Si：
0.8%、Mg：1.2%、Cu：0.4%、Mn：0.8%、Zr：0.05%、La：0.3%、Ce：0.5%、Fe：0.3%、Ti：0.04%, surplus is
Al and impurity, rare earth element are very active, easily with gas (such as hydrogen), and the generation of nonmetallic (such as sulphur) and metal function is corresponding steady
Determine compound, the metallographic structure of aluminium alloy can be significantly improved, crystal grain thinning removes gas and objectionable impurities in aluminium alloy, subtracted
The formation of crack of few aluminium alloy, so as to improve the intensity of aluminium alloy, improves processing characteristics, moreover it is possible to improve aluminium alloy heat resistance, can
Plasticity and malleability, improve hardness, increase intensity and toughness.
A kind of its preparation method of rare earth aluminium alloy for yacht main joist, it is characterised in that：Comprise the following steps：
Step 1：Prepare raw material, by raw material in smelting furnace alloying；
Step 2：745 DEG C are warming up to after being stirred after melting；
Step 3：Degassing processing is carried out to step 2, then stood, scum silica frost is removed；
Step 4：Carry out semi-continuous casting and obtain ingot casting；
Step 5：Homogenization Treatments；
Step 6：In temperature, 450 DEG C are incubated 1 hour, then carry out hot extrusion deformation, carry out wearing water online after depanning, are extruded
Material；
Step 7：Water quenching after solution treatment, then artificial aging processing is carried out, room temperature is air-cooled to, superelevation is obtained strong and corrosion resistant dilute
Native aluminium alloy joist section bar.
Tensile property of the present invention improves 25% 500 ~ 520MPa of intensity, and yield behavior improves 20% 460 ~ 500MPa of intensity, prolonged
Stretch and Mn element corrosion resistances are added in rate >=8%, aluminium alloy improve 40%, aluminum alloy yacht loss of weight more overall than steel yacht
More than 50%, realize the lightweight of yacht.
Embodiment 2
A kind of rare earth aluminium alloy for yacht main joist, it is characterised in that：Include the composition of following percentage by weight：Si：
1.2%、Mg： 1.6%、Cu： 0.8%、Mn： 1.2%、Zr： 0.25%、La： 0.6%、Ce： 0.9%、Fe：0.2%、Ti：0.0:
3%, surplus is Al and impurity, and rare earth element is very active, easily with gas (such as hydrogen), the life of nonmetallic (such as sulphur) and metal function
Into corresponding stable compound, the metallographic structure of aluminium alloy can be significantly improved, crystal grain thinning removes in aluminium alloy gas and had
Evil impurity, reduces the formation of crack of aluminium alloy, so as to improve the intensity of aluminium alloy, improves processing characteristics, moreover it is possible to improve aluminium alloy
Heat resistance, plasticity and malleability, improve hardness, increase intensity and toughness.
A kind of its preparation method of rare earth aluminium alloy for yacht main joist, it is characterised in that：Comprise the following steps：
Step 1：Prepare raw material, by raw material in smelting furnace alloying；
Step 2：755 DEG C are warming up to after being stirred after melting；
Step 3：Degassing processing is carried out to step 2, then stood, scum silica frost is removed；
Step 4：Carry out semi-continuous casting and obtain ingot casting；
Step 5：Homogenization Treatments；
Step 6：In temperature, 510 DEG C are incubated 2 hours, then carry out hot extrusion deformation, carry out wearing water online after depanning, are extruded
Material；
Step 7：Water quenching after solution treatment, then artificial aging processing is carried out, room temperature is air-cooled to, superelevation is obtained strong and corrosion resistant dilute
Native aluminium alloy joist section bar.
Tensile property of the present invention improves 25% 500 ~ 520MPa of intensity, and yield behavior improves 20% 460 ~ 500MPa of intensity, prolonged
Stretch and Mn element corrosion resistances are added in rate >=8%, aluminium alloy improve 40%, aluminum alloy yacht loss of weight more overall than steel yacht
More than 50%, realize the lightweight of yacht.
Embodiment 3
A kind of rare earth aluminium alloy for yacht main joist, it is characterised in that：Include the composition of following percentage by weight：Si：
1%、Mg：1.4%、Cu：0.6%、Mn： 1%、Zr：0.15%、La：0.45%、Ce：0.7%、Fe：0.:1 %、Ti：0.0:2%, surplus
For Al and impurity, rare earth element is very active, easily with gas (such as hydrogen), and the generation of nonmetallic (such as sulphur) and metal function is corresponding
Stable compound, can significantly improve the metallographic structure of aluminium alloy, and crystal grain thinning removes gas and objectionable impurities in aluminium alloy,
Reduce the formation of crack of aluminium alloy, so as to improve the intensity of aluminium alloy, improve processing characteristics, moreover it is possible to improve aluminium alloy heat resistance,
Plasticity and malleability, improve hardness, increase intensity and toughness.
A kind of its preparation method of rare earth aluminium alloy for yacht main joist, it is characterised in that：Comprise the following steps：
Step 1：Prepare raw material, by raw material in smelting furnace alloying；
Step 2：750 DEG C are warming up to after being stirred after melting；
Step 3：Degassing processing is carried out to step 2, then stood, scum silica frost is removed；
Step 4：Carry out semi-continuous casting and obtain ingot casting；
Step 5：Homogenization Treatments；
Step 6：In temperature, 480 DEG C are incubated 1.5 hours, then carry out hot extrusion deformation, carry out wearing water online after depanning, are squeezed
Press material；
Step 7：Water quenching after solution treatment, then artificial aging processing is carried out, room temperature is air-cooled to, superelevation is obtained strong and corrosion resistant dilute
Native aluminium alloy joist section bar.
Tensile property of the present invention improves 25% 500 ~ 520MPa of intensity, and yield behavior improves 20% 460 ~ 500MPa of intensity, prolonged
Stretch and Mn element corrosion resistances are added in rate >=8%, aluminium alloy improve 40%, aluminum alloy yacht loss of weight more overall than steel yacht
More than 50%, realize the lightweight of yacht.
Claims (2)
1. a kind of rare earth aluminium alloy for yacht main joist, it is characterised in that：Include the composition of following percentage by weight：Si：
0.8-1.2%、Mg：1.2-1.6%、Cu：0.4-0.8%、Mn：0.8-1.2%、Zr：0.05-0.25%、La：0.3-0.6%、Ce：
0.5-0.9%, Fe≤0.3%, Ti≤0.04%, surplus are Al and impurity.
2. a kind of its preparation method of rare earth aluminium alloy for yacht main joist according to claim 1, its feature exists
In：Comprise the following steps：
Step 1：Prepare raw material, by raw material in smelting furnace alloying；
Step 2：745 ~ 755 DEG C are warming up to after being stirred after melting；
Step 3：Degassing processing is carried out to step 2, then stood, scum silica frost is removed；
Step 4：Carry out semi-continuous casting and obtain ingot casting；
Step 5：Homogenization Treatments；
Step 6：In temperature, 450 ~ 510 DEG C are incubated 1 ~ 2 hour, then carry out hot extrusion deformation, carry out wearing water online after depanning, obtain
Obtain squeeze wood；
Step 7：Water quenching after solution treatment, then artificial aging processing is carried out, room temperature is air-cooled to, superelevation is obtained strong and corrosion resistant dilute
Native aluminium alloy joist section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542597.6A CN107164668A (en) | 2017-07-05 | 2017-07-05 | It is a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542597.6A CN107164668A (en) | 2017-07-05 | 2017-07-05 | It is a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107164668A true CN107164668A (en) | 2017-09-15 |
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| CN201710542597.6A Pending CN107164668A (en) | 2017-07-05 | 2017-07-05 | It is a kind of for rare earth aluminium alloy of yacht main joist and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220842A (en) * | 2018-01-09 | 2018-06-29 | 广东和胜工业铝材股份有限公司 | The preparation method of 6061 aluminium alloy grained materials |
| CN109868394A (en) * | 2019-01-31 | 2019-06-11 | 东莞市润华铝业有限公司 | A kind of oxidation resistant aluminum profile and its preparation process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805844A (en) * | 2009-08-27 | 2010-08-18 | 贵州华科铝材料工程技术研究有限公司 | Be-Cr-RE high-strength heat-resisting aluminum alloy material and production method thereof |
| CN104745902A (en) * | 2013-12-30 | 2015-07-01 | 鼎镁（昆山）新材料科技有限公司 | High strength Al-Mg-Si-Cu alloy for bicycles and processing technology thereof |
-
2017
- 2017-07-05 CN CN201710542597.6A patent/CN107164668A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805844A (en) * | 2009-08-27 | 2010-08-18 | 贵州华科铝材料工程技术研究有限公司 | Be-Cr-RE high-strength heat-resisting aluminum alloy material and production method thereof |
| CN104745902A (en) * | 2013-12-30 | 2015-07-01 | 鼎镁（昆山）新材料科技有限公司 | High strength Al-Mg-Si-Cu alloy for bicycles and processing technology thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220842A (en) * | 2018-01-09 | 2018-06-29 | 广东和胜工业铝材股份有限公司 | The preparation method of 6061 aluminium alloy grained materials |
| CN109868394A (en) * | 2019-01-31 | 2019-06-11 | 东莞市润华铝业有限公司 | A kind of oxidation resistant aluminum profile and its preparation process |
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Application publication date: 20170915 |