CN104388854A - Machining process of thick 5083 aluminum alloy plate for ships - Google Patents
Machining process of thick 5083 aluminum alloy plate for ships Download PDFInfo
- Publication number
- CN104388854A CN104388854A CN201410775437.2A CN201410775437A CN104388854A CN 104388854 A CN104388854 A CN 104388854A CN 201410775437 A CN201410775437 A CN 201410775437A CN 104388854 A CN104388854 A CN 104388854A
- Authority
- CN
- China
- Prior art keywords
- rolling
- sheet material
- aluminium alloy
- aluminum alloy
- complete processing
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a machining process of a thick 5083 aluminum alloy plate for ships. The machining process is characterized by comprising the following steps: sequentially milling, heating, rolling, shearing, drawing to straighten and sawing to fix the size of 5083 aluminum alloy cast ingots, thereby obtaining the 5083 aluminum alloy plate for ships. With the combination of procedures of hot rough rolling, heating, shearing, drawing to straighten and the like of the machining process of the thick aluminum alloy plate, the mechanical property and the anticorrosion property of the thick aluminum alloy plate are improved.
Description
Technical field
The invention belongs to technical field of metal, be specifically related to a kind of complete processing of 5083 aluminium alloy thick plates peculiar to vessel.
Background technology
American Bureau of Shipping (ABS; full name: American Bureau of Shipping) be found in 1862; belong to non governmental organization; mainly be devoted to for public interest and customer demand service; by developing and verify the design of ocean related facility, construction and operational standard, the safety of protection human life, property and physical environment.And enter the boats and ships of the U.S., just need to do ABS certification.Therefore, in order to the demand of foreign trade and sale, expand the order of marine product, the specification of marine aluminum alloy plate demand fulfillment ABS surveying society, obtain the certification of ABS.
5083 alloys intensity in non-heat-treatable alloy is good, and machinability is good.5083 alloys are widely used in maritime affairs purposes as boats and ships, and automobile, aircraft weldment, subway light rail, need the fields such as the pressurized vessel of rigorous fire, refrigeration plant, TV tower, drilling rigs, facilities for transport and communication, missile parts, plate armour.Therefore, 5083 alloys are aluminum alloy plate materials that marine aluminum alloy plate mainly adopts, 5083 alloys are aluminium-magnesium alloys, in this alloy: the mass content of Si (silicon) is not more than 0.40%, the mass content of Fe (iron) is not more than 0.40%, the mass content of Cu (copper) is not more than 0.10%, the mass content of Mn (manganese) is between 0.40-1.0%, the mass content of Cr (chromium) is between 0.05-0.25%, the mass content of Ti (titanium) is less than 0.15%, the mass content of Mg (magnesium) is between 4.0-4.9%, the mass content of Zn (zinc) is not more than 0.25%, Al (aluminium) is surplus.But the production technique of 5083 aluminum alloy plate materials that current industrial preparation is greater than under the H116 state of 10mm thickness mainly relies on cold deformation to improve the mechanical property intensity of aluminum alloy plate materials, then by thermal treatment, makes intensity reach standard-required.But current production method can not improve the corrosion resistance of aluminum alloy plate materials, therefore, cannot meet meet ABS marine aluminum alloy plate produce accreditation requirement.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is the complete processing providing a kind of 5083 aluminium alloy thick plates peculiar to vessel, and the aluminium alloy thick plate adopting preparation method of the present invention to prepare has good mechanical property and corrosion resistance.
The invention provides a kind of complete processing of 5083 aluminium alloy thick plates peculiar to vessel, comprise the following steps:
By 5083 aluminium alloy cast ingots successively through milling face, heating, hot roughing, shearing, tension leveling and sawing scale, obtain 5083 aluminium alloy thick plates peculiar to vessel.
Preferably, described hot roughing is:
Ingot casting after heating is carried out the first rolling, cool temperature, the second rolling, obtains the sheet material after rolling.
Preferably, the temperature of described first rolling is 450 ~ 500 DEG C.
Preferably, the sheet material of described first rolling and the Thickness Ratio of described 5083 aluminium alloy thick plates peculiar to vessel are (2 ~ 5): 1.
Preferably, the temperature of described cool temperature is 280 ~ 320 DEG C.
Preferably, after described second rolling terminates, the temperature of the sheet material obtained is 200 ~ 280 DEG C.
Preferably, the thickness G reatT.GreaT.GT 10mm of the described sheet material through the second rolling.
Preferably, the temperature of described heating is 450 ~ 500 DEG C.
Preferably, the scissor cut adopting 100mm or 120mm is cut into described in.
Compared with prior art, the invention provides a kind of complete processing of 5083 aluminum alloy plate materials peculiar to vessel, it is characterized in that, by 5083 aluminium alloy cast ingots successively through milling face, heating, rolling, shearing, tension leveling and sawing scale, obtain 5083 aluminum alloy plate materials peculiar to vessel.The combination of the operations such as the hot roughing operation in the complete processing of aluminium alloy thick plate provided by the invention and heating, shearing, tension leveling, can increase mechanical property and the resistance to corrosion of aluminum alloy plate materials.
Result shows, yield strength>=the 215MPa of 5083 aluminium alloy thick plates that the present invention prepares under H116 state, tensile strength>=315MPa, elongation after fracture>=10%, Peeling Corrosion is better than PB level, intergranular corrosion mass loss < 14mg/cm
3.
Accompanying drawing explanation
Fig. 1 is the sampling schematic diagram measuring sheet material corrosion resistance.
Embodiment
The invention provides a kind of complete processing of 5083 aluminium alloy thick plates peculiar to vessel, it is characterized in that, comprise the following steps:
By 5083 aluminium alloy cast ingots successively through milling face, heating, hot roughing, shearing, tension leveling and sawing scale, obtain 5083 aluminium alloy thick plates peculiar to vessel.
The present invention is first by 5083 aluminium alloy cast ingot milling faces.In described 5083 aluminium alloys, the mass content of Si (silicon) is not more than 0.40%, the mass content of Fe (iron) is not more than 0.40%, the mass content of Cu (copper) is not more than 0.10%, the mass content of Mn (manganese) is between 0.40-1.0%, the mass content of Cr (chromium) is between 0.05-0.25%, the mass content of Ti (titanium) is less than 0.15%, the mass content of Mg (magnesium) is between 4.0-4.9%, the mass content of Zn (zinc) is not more than 0.25%, Al (aluminium) is surplus.
The method of the present invention to described milling face does not have particular restriction, well known to a person skilled in the art milling face method, in the present invention, preferably carry out milling face as follows:
Milling machine is adopted carry out milling face to ingot casting, the milling sales volume in large face is 17 ~ 25mm, and be preferably 21 ~ 23mm, the milling amount of little is 10 ~ 15mm, roughness Ra < after large facing cut 3 μm, roughness Ra < 6 μm after little facing cut.
Heated by ingot casting behind milling face, the temperature of described heating is 450 ~ 500 DEG C, and be preferably 470 ~ 490 DEG C, the time of described heating is 2 ~ 10h, is preferably 3 ~ 9h.
Hot roughing is carried out in milling face after heating, and in the present invention, described hot roughing is specially:
Ingot casting after heating is carried out the first rolling, cool temperature, the second rolling, obtains the sheet material after rolling.
The thickness of the ingot casting selected by the present invention is 450 ~ 500mm, and described ingot casting is carried out the first rolling, and wherein, described rolling temperature is 450 ~ 500 DEG C, is preferably 470 ~ 490 DEG C.Be (2 ~ 3) through the sheet material of the first rolling and the Thickness Ratio of described 5083 aluminium alloy thick plates peculiar to vessel: 1, be preferably 3:1.After the first rolling, the temperature of described sheet material is 370 ~ 430 DEG C.
Sheet material through the first rolling is carried out cool temperature process, and wherein, the temperature of described cool temperature is 280 ~ 320 DEG C, is preferably 290 ~ 310 DEG C.
Sheet material after cool temperature is carried out the second rolling, and the thickness of the sheet material after the second rolling reaches the thickness of 5083 aluminium alloy thick plates peculiar to vessel finally obtained, i.e. > 10mm.In the operation of rolling, sheet material is lowered the temperature gradually, and after finally described second rolling terminates, the temperature of described sheet material is 200 ~ 280 DEG C, is preferably 220 ~ 260 DEG C.
Sheet material through overheated roughing is sheared, in the present invention, described in be cut into and adopt the scissor cut of 100mm or 120mm.
After shearing, by described sheet material successively stretched aligning and sawing scale, 5083 aluminium alloy thick plates peculiar to vessel can be obtained.
Wherein, the method for the present invention to described tension leveling and sawing scale does not have particular restriction, well known to a person skilled in the art tension leveling and sawing scale.
The combination of the operations such as the hot roughing operation in the complete processing of aluminium alloy thick plate provided by the invention and heating, shearing, tension leveling, can increase mechanical property and the resistance to corrosion of aluminum alloy plate materials.
Result shows, yield strength>=the 215MPa of 5083 aluminium alloy thick plates that the present invention prepares under H116 state, tensile strength>=315MPa, elongation after fracture>=10%, Peeling Corrosion is better than PB level, intergranular corrosion mass loss < 14mg/cm
3.
In order to understand the present invention further, be described below in conjunction with the complete processing of embodiment to 5083 aluminium alloy thick plates peculiar to vessel provided by the invention, protection scope of the present invention is not limited by the following examples.
Embodiment 1
5083 aluminum alloy plate materials of 500mm carry out milling faces, the aluminum alloy plate materials behind milling face is heated under the condition of 450 degrees Celsius, the sheet material after heating is carried out the first rolling, wherein, described rolling temperature is 460 DEG C, after rolling, 150mm is reached after sheet material, described sheet material is carried out cool temperature, wherein, after cool temperature reaches 300 DEG C, sheet material is carried out the second rolling, after described second rolling, the thickness of described sheet material is 50mm, and the temperature of sheet material is 250 DEG C.The scissors of the sheet material 120mm through the rolling process is sheared, after shearing, sheet material is carried out tension leveling and sawing scale, after checking and accepting packaging, 5083 aluminium alloy thick plates can be obtained.
Measure the performance of described aluminium alloy thick plate, wherein, described corrosion resistance detects its Peeling Corrosion susceptibility according to ASTMG66 or equivalent standard.In the middle of the width of longitudinal two end points of sheet material, respectively get a sample, the longitudinal axes parallel of sample is in rolling direction, and Peeling Corrosion size of sample is 100mm × 50mm × sample thickness mm, and intercrystalline corrosion samples specification is 50mm × 6mm × sample thickness mm.The B position in Fig. 1 is seen in sample position, and Fig. 1 is the sampling schematic diagram measuring sheet material corrosion resistance.The results are shown in Table 1, the performance perameter of 5083 aluminium alloy thick plates that table 1 provides for embodiment 1 ~ 4.
Embodiment 2
5083 aluminum alloy plate materials of 500mm carry out milling faces, the aluminum alloy plate materials behind milling face is heated under the condition of 450 degrees Celsius, the sheet material after heating is carried out the first rolling, wherein, described rolling temperature is 470 DEG C, after rolling, 100mm is reached after sheet material, described sheet material is carried out cool temperature, wherein, after cool temperature reaches 300 DEG C, sheet material is carried out the second rolling, after described second rolling, the thickness of described sheet material is 35mm, and the temperature of sheet material is 200 DEG C.The scissors of the sheet material 120mm through the rolling process is sheared, after shearing, sheet material is carried out tension leveling and sawing scale, after checking and accepting packaging, 5083 aluminium alloy thick plates can be obtained.
Measure the performance of described aluminium alloy thick plate, wherein, described corrosion resistance detects its Peeling Corrosion susceptibility according to ASTMG66 or equivalent standard.In the middle of the width of longitudinal two end points of sheet material, respectively get a sample, the longitudinal axes parallel of sample is in rolling direction, and Peeling Corrosion size of sample is 100mm × 50mm × sample thickness mm, and intercrystalline corrosion samples specification is 50mm × 6mm × sample thickness mm.The B position in Fig. 1 is seen in sample position, and Fig. 1 is the sampling schematic diagram measuring sheet material corrosion resistance.The results are shown in Table 1, the performance perameter of 5083 aluminium alloy thick plates that table 1 provides for embodiment 1 ~ 4.
Embodiment 3
5083 aluminum alloy plate materials of 500mm carry out milling faces, the aluminum alloy plate materials behind milling face is heated under the condition of 450 degrees Celsius, the sheet material after heating is carried out the first rolling, wherein, described rolling temperature is 480 DEG C, after rolling, 120mm is reached after sheet material, described sheet material is carried out cool temperature, wherein, after cool temperature reaches 300 DEG C, sheet material is carried out the second rolling, after described second rolling, the thickness of described sheet material is 40mm, and the temperature of sheet material is 220 DEG C.The scissors of the sheet material 100mm through the rolling process is sheared, after shearing, sheet material is carried out tension leveling and sawing scale, after checking and accepting packaging, 5083 aluminium alloy thick plates can be obtained.
Measure the performance of described aluminium alloy thick plate, wherein, described corrosion resistance detects its Peeling Corrosion susceptibility according to ASTMG66 or equivalent standard.In the middle of the width of longitudinal two end points of sheet material, respectively get a sample, the longitudinal axes parallel of sample is in rolling direction, and Peeling Corrosion size of sample is 100mm × 50mm × sample thickness mm, and intercrystalline corrosion samples specification is 50mm × 6mm × sample thickness mm.The B position in Fig. 1 is seen in sample position, and Fig. 1 is the sampling schematic diagram measuring sheet material corrosion resistance.The results are shown in Table 1, the performance perameter of 5083 aluminium alloy thick plates that table 1 provides for embodiment 1 ~ 4.
Embodiment 4
5083 aluminum alloy plate materials of 500mm carry out milling faces, the aluminum alloy plate materials behind milling face is heated under the condition of 450 degrees Celsius, the sheet material after heating is carried out the first rolling, wherein, described rolling temperature is 460 DEG C, after rolling, 150mm is reached after sheet material, described sheet material is carried out cool temperature, wherein, after cool temperature reaches 300 DEG C, sheet material is carried out the second rolling, after described second rolling, the thickness of described sheet material is 50mm, and the temperature of sheet material is 250 DEG C.The scissors of the sheet material 120mm through the rolling process is sheared, after shearing, sheet material is carried out tension leveling and sawing scale, after checking and accepting packaging, 5083 aluminium alloy thick plates can be obtained.
Measure the performance of described aluminium alloy thick plate, wherein, described corrosion resistance detects its Peeling Corrosion susceptibility according to ASTMG66 or equivalent standard.In the middle of the width of longitudinal two end points of sheet material, respectively get a sample, the longitudinal axes parallel of sample is in rolling direction, and Peeling Corrosion size of sample is 100mm × 50mm × sample thickness mm, and intercrystalline corrosion samples specification is 50mm × 6mm × sample thickness mm.The B position in Fig. 1 is seen in sample position, and Fig. 1 is the sampling schematic diagram measuring sheet material corrosion resistance.The results are shown in Table 1, the performance perameter of 5083 aluminium alloy thick plates that table 1 provides for embodiment 1 ~ 4.
The performance perameter of 5083 aluminium alloy thick plates that table 1 embodiment 1 ~ 4 provides
Result shows, 5083 aluminium alloy thick plates provided by the present invention have good mechanical property and corrosion resistance, meets ABS marine aluminum alloy plate and produces accreditation requirement.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a complete processing for 5083 aluminium alloy thick plates peculiar to vessel, is characterized in that, comprise the following steps:
By 5083 aluminium alloy cast ingots successively through milling face, heating, hot roughing, shearing, tension leveling and sawing scale, obtain 5083 aluminium alloy thick plates peculiar to vessel.
2. complete processing according to claim 1, is characterized in that, described hot roughing is:
Ingot casting after heating is carried out the first rolling, cool temperature, the second rolling, obtains the sheet material after rolling.
3. complete processing according to claim 2, is characterized in that, the temperature of described first rolling is 450 ~ 500 DEG C.
4. complete processing according to claim 2, is characterized in that, the sheet material of described first rolling and the Thickness Ratio of described 5083 aluminium alloy thick plates peculiar to vessel are (2 ~ 5): 1.
5. complete processing according to claim 2, is characterized in that, the temperature of described cool temperature is 280 ~ 320 DEG C.
6. complete processing according to claim 2, is characterized in that, after described second rolling terminates, the temperature of the sheet material obtained is 200 ~ 280 DEG C.
7. complete processing according to claim 2, is characterized in that, the thickness G reatT.GreaT.GT 10mm of the described sheet material through the second rolling.
8. complete processing according to claim 1, is characterized in that, the temperature of described heating is 450 ~ 500 DEG C.
9. complete processing according to claim 1, is characterized in that, described in be cut into and adopt the scissor cut of 100mm or 120mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410775437.2A CN104388854A (en) | 2014-12-15 | 2014-12-15 | Machining process of thick 5083 aluminum alloy plate for ships |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410775437.2A CN104388854A (en) | 2014-12-15 | 2014-12-15 | Machining process of thick 5083 aluminum alloy plate for ships |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104388854A true CN104388854A (en) | 2015-03-04 |
Family
ID=52606810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410775437.2A Pending CN104388854A (en) | 2014-12-15 | 2014-12-15 | Machining process of thick 5083 aluminum alloy plate for ships |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104388854A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109022958A (en) * | 2018-09-18 | 2018-12-18 | 天津忠旺铝业有限公司 | A kind of manufacturing method of 5083 aluminium alloy thick plate peculiar to vessel |
CN109355604A (en) * | 2018-11-27 | 2019-02-19 | 广西柳州银海铝业股份有限公司 | 5083H321 aluminium alloy thick plate preparation method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101538668A (en) * | 2009-04-28 | 2009-09-23 | 中铝河南铝业有限公司 | Production process of aluminum alloy hot rolling medium plate |
CN102489512A (en) * | 2011-12-14 | 2012-06-13 | 西南铝业(集团)有限责任公司 | Production method for marine aluminum alloy plate |
CN103014570A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业(集团)有限责任公司 | Production method of aluminum alloy sheet |
CN103495603A (en) * | 2013-10-18 | 2014-01-08 | 西南铝业(集团)有限责任公司 | Production technology for aluminum alloy plates for coal conveyor |
CN103556013A (en) * | 2013-11-12 | 2014-02-05 | 西南铝业(集团)有限责任公司 | Production process of aluminum alloy plate for notebook computer |
-
2014
- 2014-12-15 CN CN201410775437.2A patent/CN104388854A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101538668A (en) * | 2009-04-28 | 2009-09-23 | 中铝河南铝业有限公司 | Production process of aluminum alloy hot rolling medium plate |
CN102489512A (en) * | 2011-12-14 | 2012-06-13 | 西南铝业(集团)有限责任公司 | Production method for marine aluminum alloy plate |
CN103014570A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业(集团)有限责任公司 | Production method of aluminum alloy sheet |
CN103495603A (en) * | 2013-10-18 | 2014-01-08 | 西南铝业(集团)有限责任公司 | Production technology for aluminum alloy plates for coal conveyor |
CN103556013A (en) * | 2013-11-12 | 2014-02-05 | 西南铝业(集团)有限责任公司 | Production process of aluminum alloy plate for notebook computer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109022958A (en) * | 2018-09-18 | 2018-12-18 | 天津忠旺铝业有限公司 | A kind of manufacturing method of 5083 aluminium alloy thick plate peculiar to vessel |
CN109355604A (en) * | 2018-11-27 | 2019-02-19 | 广西柳州银海铝业股份有限公司 | 5083H321 aluminium alloy thick plate preparation method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104357690B (en) | The preparation technology of strong anti-corrosion high Mg-Al alloy plate in a kind of | |
Woo et al. | Texture variation and its influence on the tensile behavior of a friction-stir processed magnesium alloy | |
Chen et al. | Size effects on tensile strength of aluminum–bronze alloy at room temperature | |
ES2708329T3 (en) | Structural aluminum alloy plate and production procedure thereof | |
CN104384229A (en) | Machining process of thick 5083 aluminum alloy plate for ships | |
CN104475477A (en) | Processing technology for marine 5083 aluminum alloy sheet | |
CN106244872A (en) | A kind of preparation method of the Al Mg Aluminum Alloy Plate material peculiar to vessel of high corrosion-resistant | |
CN103952652B (en) | A kind of manufacture method of aviation aluminum alloy pre-stretching plate | |
CN104152762A (en) | Method for manufacturing 7B50T7451 aluminum alloy prestretching thick plate for aviation | |
CN102936710A (en) | Aluminum alloy thick plate for liquefied natural gas carrier storage cabin and manufacture method of aluminum alloy thick plate | |
CN104694797A (en) | Al-Mg-Zn alloy | |
CN104404413A (en) | Processing technology for 5083 aluminum alloy plate for ship | |
CN104388854A (en) | Machining process of thick 5083 aluminum alloy plate for ships | |
Yonezawa et al. | The effects of metallurgical factors on PWSCC crack growth rates in TT Alloy 690 in simulated PWR primary water | |
CN104388856A (en) | Processing technology of marine 5083-series aluminum alloy plate with thickness of 26 mm | |
Cipriano Farias et al. | Arc-based directed energy deposited Inconel 718: role of heat treatments on high-temperature tensile behavior | |
CN104451483A (en) | Processing technology of 50mm thick aluminum alloy panel for ship | |
Tanaka et al. | Improvement of mechanical properties of 7475 based aluminum alloy sheets by controlled warm rolling | |
Bleckmann et al. | The influence of selected ECAP-processing routes on the material properties of Magnesium Elektron 675 | |
Buzolin et al. | In situ synchrotron radiation diffraction study of the role of Gd, Nd on the elevated temperature compression behavior of ZK40 | |
CN104532091A (en) | 2-series aluminum alloy | |
Koutsoukis et al. | Rendering wrought aluminium alloys castable by means of minimum composition adjustments | |
US20130160900A1 (en) | SHAPE MEMORY STAINLESS STEELS WITH RARE EARTH ELEMENTS Ce AND La | |
Jha et al. | Metallurgical studies on cracked Al–5.5 Zn–2.5 Mg–1.5 Cu aluminum alloy injector disc of turbine rotor | |
Wei et al. | Effect of welding wires on root bend property of MIG-welded 7N01-T4 aluminium alloy joints |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |