WO2006016417A1 - 管状部位を有する構造物とその製造方法及び製造装置 - Google Patents
管状部位を有する構造物とその製造方法及び製造装置 Download PDFInfo
- Publication number
- WO2006016417A1 WO2006016417A1 PCT/JP2004/011785 JP2004011785W WO2006016417A1 WO 2006016417 A1 WO2006016417 A1 WO 2006016417A1 JP 2004011785 W JP2004011785 W JP 2004011785W WO 2006016417 A1 WO2006016417 A1 WO 2006016417A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool
- tubular
- workpiece
- manufacturing
- annular jig
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/063—Friction heat forging
-
- 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
- B21C23/20—Making uncoated products by backward extrusion
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/29—Making branched pieces, e.g. T-pieces
- B21C37/298—Forming collars by flow-drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/063—Friction heat forging
- B21J5/066—Flow drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/26—Making machine elements housings or supporting parts, e.g. axle housings, engine mountings
Definitions
- the present invention relates to a structure having a tubular portion, a manufacturing method thereof, and a manufacturing apparatus.
- a Karoe method using scissors, cutting, scissors or the like is known as a method for manufacturing a tubular structure or a structure having a tubular portion.
- a method that combines these calorie methods and bonding methods such as fierceness is known.
- the shape of the workpiece may be constrained by the crystal orientation of the base material, and cracking may occur during the caloe process.
- it is a calorie that forcibly deforms in the ⁇ i region where the material is rigid, there is a risk that the dimensional accuracy of the Caloe product will be lowered.
- An object of the present invention is to provide a novel manufacturing method and apparatus for solving the above-described problems, and a structure having a tubular portion. Disclosure of the invention
- a frictional heat is generated between the tool and the workpiece by inserting the tool into the workpiece while rotating the circular jig outside the rotatable cylindrical tool.
- the present invention is characterized by having a tool having a rotation mechanism, a mechanism for moving the relative position between the tool and the workpiece in at least one axial direction, and an annular jig provided outside the tool.
- a tool having a rotation mechanism having a rotation mechanism, a mechanism for moving the relative position between the tool and the workpiece in at least one axial direction, and an annular jig provided outside the tool.
- the present invention is applied to the manufacture of a structure having a tubular structure or a structure including a tubular portion as a whole.
- the structure including the tubular portion described in the claims includes a structure having a tubular shape as a whole.
- the material of the workpiece is aluminum, copper, magnesium, iron, titanium, or an alloy thereof, but is not limited to these, and any metal material can be applied.
- the shape of the inner diameter portion of the annular jig is transferred to the outer diameter portion of the tubular portion to be manufactured. Therefore, if the cross-sectional shape of the inner diameter portion of the annular jig is circular, elliptical, polygonal, or a combination thereof, the same shape is transferred to the outer periphery of the tubular portion.
- a plate-like or block-like portion, a tubular portion, and a force S-body structure can be manufactured. Also, in the manufacturing method of the present invention, if a tool is inserted into a tubular workpiece, a tubular part, a tubular part, and a powerful part, such as a T-shaped tubular part, are removed. Can Mii.
- the plate-like or block-like part and the tubular part are integrally formed, and the crystal m ll ⁇ in the tubular part is recrystallized from the plastic state of the material and has no aggregate ffi ⁇ .
- a structure that is ffi ⁇ is provided.
- the ⁇ -shaped tubular part is formed as a single unit, and the crystal grains of at least one tubular part; Reya is cooled from the plastic state of the material «3 state, and does not have a collective summary A difficult object is provided.
- the manufacturing apparatus of the present invention it is desirable to provide a load applying mechanism that presses the annular jig against the surface of the work piece, so that the work piece in a plastic leakage state is placed between the annular jig and the tool. It is possible to prevent the annular jig from moving when it is filled.
- the structure of the manufacturing equipment is simplified by providing a rotating tool and an annular jig on the same horse arm. It is desirable that the rotating tool and the annular jig have separate and independent horse riding mechanisms.
- the shape of the joint between the pipe and the plate or the block, or the joint between the pipe and the pipe can be formed with a book without making the shape.
- a simple joint structure such as a butt joint or a lap joint can be formed from the age at which the member is joined in a later process such as extension of the tubular part, or the tubular part that has been subjected to calorie.
- a small joint free from defects during welding can be obtained.
- Fig. 1a Plow view showing the dredging method according to the invention.
- Fig. 1b is the front view of Fig. 1a.
- FIG. 2 is a cross-sectional view showing a tubular structure.
- FIGS. 3a to 3c are diagrams showing an example of a ⁇ fii object including a tubular ribbon.
- 4a and 4b are schematic views showing an example of a structure in which two tubular parts are integrated.
- FIGS. 5a to 5c are plan views showing examples of the inner diameter part shape of the tubular jig.
- FIGS. 6a to 6d are front views showing a ⁇ W-shaped example of the rotary tool.
- FIGS. 8a to 8d are schematic views showing an example of manufacturing a body of a high-pressure fuel pump, which is an example of a structure having a tubular portion, by the manufacturing method of the present invention.
- Fig. 9 is a fe diagram of the crystal structure of the rolled material.
- FIG. 10 is a fet diagram of a recrystallized structure of a tubular portion according to the present invention.
- FIGS. 1 1a to 1 1c are views of willows showing an example of illuminating a fuel supply pipe which is an example of a structure having a tubular portion by the method of the present invention. Best Mode for Invention
- FIG. 1 a and FIG. 1 lb are schematic views showing an embodiment of a method for producing a tubular portion according to the present invention.
- the annular jig 2 is in a state where a pressing force 4 is applied to the surface of the workpiece 3.
- pressing force 5 is applied to workpiece 3 while rotating tool 1 at high speed, frictional heat is generated between tool 1 and workpiece 3, and this frictional heat causes the vicinity of the tool pressing part of workpiece 3 6 is heated and stirred to become a plastic ⁇ state.
- the work piece that is in a plastic leakage state will be rotated with the tool outer force and the outer diameter of the rotating tool by the volume of the tool 1 force S inserted.
- the space 7 between the inner diameters of the jig is filled in such a manner that it is pushed out as shown by the arrows in Fig. 1b.
- the tool 1 is pulled out and the annular jig 2 is removed, and the plastic fungus part is formed as a tubular part 8.
- a tubular structure 9 can be manufactured as shown in FIG.
- the plate or block-like work piece is subjected to the following calorific process, so that a plate-like or block-like part 10 and 10 as shown in FIGS. 3a to 3c. It is molded as a structure in which the tubular part 8 is integrated.
- Figure 3a shows the rotation tool Insert the tool until the tip of the tool penetrates the workpiece or immediately before penetrating it, and push up the workpiece material that has become plastic in the space between the annular jig and the tool.
- Post-processing is performed to finish the tubular portion 8 into a penetrating shape.
- tubular part 8 is formed from the work piece material that has been put into a plastic state by inserting the rotary tool to a predetermined depth, and then subjected to post-processing such as cutting, so that the bottom surface of the tubular part 8 is formed.
- Part 11 is a flat finish.
- Fig. 3c shows a workpiece that is in a plastic state by inserting a rotary tool close to the height of the part other than the part to be worked on the work piece whose thickness is increased only in the part to be processed.
- the bottom part 11 of the tubular part 8 is flattened together with the thickness of the part other than the part to be processed by performing post-processing such as cutting. . -
- a T-shaped tubular portion 12 is formed as a structure. can do.
- Figure 4a shows that after forming the tubular part 8 with the work piece material inserted into the plastic state until the tip of the rotary tool penetrates the tubular work piece or just before it penetrates, It is a post-processed finish such as cutting.
- Figure 4b shows the bottom part 11 of the tubular part 8 being flattened by inserting a rotary tool to a predetermined depth to form the tubular part 8 and then performing post-processing such as cutting. .
- the wall thickness of the tube at the tubular portion is defined by the difference between the inner diameter of the annular jig and the outer diameter of the rotary tool, and the length of the tube is Defined by the depth of insertion of the rotary tool into the workpiece.
- the range of the wall thickness of the tubular part manufactured according to the present invention can be reduced to a thickness of 2 to 30 m because it is filled plastically.
- the internal summary of the tubular portion of the tubular structure manufactured by the method of the present invention is composed of recrystallized fine particles that are heated and cooled more than the recrystallization knowledge of the workpiece base material. It is made up of fine recrystallized grains that do not depend on a single crystal yarn of the object and do not have an aggregate yarn.
- Fig. 9 is a schematic diagram showing a crystal of a normal rolled material, which is a typical crystal structure having a texture.
- FIG. 10 is a schematic diagram showing a typical crystal structure of a recrystallized structure of a tubular portion obtained by the present invention, and is a recrystallized paper having no texture.
- the shape of the inner diameter portion of the annular jig need not be a circle.
- FIGS. 5a to 5c show examples of the shape of the inner diameter portion of the annular jig 2.
- FIG. As long as the size of the space in which the plastic flow part is filled, the dog of the inner diameter part of the annular jig is accurately copied to the outer diameter part of the tubular structure.
- FIGS. 6a to 6d Examples of the tip shape of the tool 1 used in the present invention are shown in FIGS. 6a to 6d.
- FIGS. 6a to 6c are examples of tools having a convex protrusion 13 at the tip.
- the shape of the protrusions 13 can be selected in accordance with the method of generating the required frictional heat, such as a hemispherical shape, a cylindrical shape, or a conical shape.
- FIG. 6d shows an example in which the shape of the end face portion 14 at the tip of the tool is tapered. End face
- the shape of 14 can be selected depending on how frictional heat is generated and how the plastic part is applied.
- FIG. 7 shows a basic configuration example of the apparatus of the present invention.
- the iffi device of the present invention has a cylindrical tool 1, a tool rotation mechanism 15 and a tool axial direction It is basically composed of a mechanism 16, an annular jig 2, a mechanism 17 for pressing the workpiece to ensure that the annular jig is in close contact with the workpiece 3, and a workpiece fixing mechanism 18.
- a drive mechanism that determines the position.
- the mechanism 17 for pressing the annular jig 2 against the workpiece 3 may be a mechanism independent of the rotary tool's horseshoe mechanism as shown in Section 7; It is also possible to provide a mechanism in which the annular jig is pressed against the workpiece in accordance with the axial movement of the rotary tool.
- the annular jig 2 is provided with a rotation mechanism 20, and It is effective to rotate the jig 2 for processing.
- ⁇ is the space between the rotary tool and the annular jig. Shielding with a gas that prevents oxidation of the material, such as inert gas or nitrogen gas, is preferable, and it is desirable for a crane to have a gas shield mechanism 21 shown in Fig. 7.
- Fig. 8a shows an example of the body of a high-pressure fuel pump, one of the automotive parts.
- the body 2 2 of the high-pressure fuel pump A tubular structure 8 is combined to form an integrated structure.
- the material of the body 22 is aluminum alloy, iron alloy, stainless steel, or the like, and is formed by die casting, forging, or cutting in the « ⁇ technique.
- a rough block-shaped 3 ⁇ 4 ⁇ shape 23 is formed by die casting, difficult, forging or cutting to obtain a workpiece.
- the tubular portion 24 is formed by the method according to the present invention.
- the end part 25 of the tubular part is finished into a predetermined shape by cutting or the like. Also, finish the inner diameter or bottom 26 of the tubular part by cutting, etc., and then iron the burrs using the cutting method.
- the production method according to the present invention has a higher material yield than the case where all of the tubular portion is formed by cutting, and the die shape when producing a basic shape workpiece by die casting, forging or forging is simple and good. It can be manufactured at low cost.
- the inside or surface of the tubular part is recrystallized in the molding process according to the present invention. Therefore, these defects are eliminated, and a body excellent in strength and phagocytosis can be manufactured.
- the inner diameter portion of the tubular portion is Since this is a recrystallized defect and has no defects such as ⁇ , it is possible to manufacture a body with excellent surface treatment adhesion such as plating and excellent corrosion resistance.
- Fig. 1 1a shows an example of application to the fuel and fuel supply pipe Karoe.
- the fuel 27 sent from the fuel pump is sent to a plurality of fuel injection devices 29 through fuel supply pipes 28.
- the fuel composite pipe has a structure in which a plurality of tubular parts are distributed from the main pipe.
- the material of this pipe is aluminum alloy, iron alloy or stainless steel, etc., and according to * ⁇ 3 ⁇ 41, it is formed by die casting, forging, forging or cutting.
- a material 30 having a simple pipe-shaped 3 ⁇ 4 ⁇ shape is formed by die casting, cutting, or cutting.
- the tubular portion 31 is formed by the method according to the present invention. After forming the tubular portion, burrs and the like formed on the end portion 3 2 and the bottom portion 3 3 of the tubular portion are removed by cutting and finished into a predetermined shape.
- tubular portion and the diameter portion are finished by cutting IJ or the like to obtain a structure having a tubular portion of the shape of Hffi.
- the die shape when producing a workpiece in the shape of a pipe by die casting, forging or wisteria is simple and can be produced at low cost.
- the method according to the present invention allows the inner surface or the inner surface of the tubular portion. Since it becomes a recrystallized fiber, there are no defects, and it is possible to make a pipe with excellent corrosion resistance.
- the fuel injection device is joined by fastening a pipe and a screw or the like.
- the tubular portion becomes a recrystallized fiber, even when welding, a good weld fiber can be obtained without causing defects. . For this reason, a welded structure is acceptable.
- the inner diameter portion of the tubular portion becomes a recrystallized structure in the method according to the present invention. I can make an excellent pipe.
- the present invention is installed in a vehicle such as a fuel pump, a fuel injection device, a fuel pipe, an intake system or an exhaust system of an engine, a cooling system such as a Raje evening, a cooling system such as an air conditioner, a power generation mechanism, a motor, and an inverter.
- a vehicle such as a fuel pump, a fuel injection device, a fuel pipe, an intake system or an exhaust system of an engine, a cooling system such as a Raje evening, a cooling system such as an air conditioner, a power generation mechanism, a motor, and an inverter.
- the structure having various tubular parts can be wrinkled.
- the present invention can be used to make a network structure having a tubular portion in industrial products such as household electrical appliances, electronic equipment, equipment, and heavy electrical machinery parts.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/011785 WO2006016417A1 (ja) | 2004-08-11 | 2004-08-11 | 管状部位を有する構造物とその製造方法及び製造装置 |
JP2006531104A JP5060130B2 (ja) | 2004-08-11 | 2004-08-11 | 管状部位を有する金属部品 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/011785 WO2006016417A1 (ja) | 2004-08-11 | 2004-08-11 | 管状部位を有する構造物とその製造方法及び製造装置 |
Publications (1)
Publication Number | Publication Date |
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WO2006016417A1 true WO2006016417A1 (ja) | 2006-02-16 |
Family
ID=35839194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/011785 WO2006016417A1 (ja) | 2004-08-11 | 2004-08-11 | 管状部位を有する構造物とその製造方法及び製造装置 |
Country Status (2)
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JP (1) | JP5060130B2 (ja) |
WO (1) | WO2006016417A1 (ja) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011019447A1 (en) * | 2009-08-13 | 2011-02-17 | The Boeing Company | Incremental forging |
WO2011057748A1 (de) * | 2009-11-10 | 2011-05-19 | Universität Paderborn | Verfahren zum reibumformen eines werkstücks |
JP2012139734A (ja) * | 2012-05-02 | 2012-07-26 | Nihon Univ | 摩擦圧接による突起部の形成 |
CN102699084A (zh) * | 2012-06-01 | 2012-10-03 | 北京理工大学 | 反向扭转挤压制备杯形件 |
US8323427B1 (en) | 2009-09-14 | 2012-12-04 | The Boeing Company | Engineered shapes from metallic alloys |
JP2015098057A (ja) * | 2015-02-19 | 2015-05-28 | 山野井精機株式会社 | 突起を有する金属部品および金属部材に突起を形成する方法 |
US9120139B2 (en) | 2008-07-15 | 2015-09-01 | Yamanoiseiki Co., Ltd. | Method of and a device for forming a projection on a metal member and a metal part processed by the method of forming a projection |
CN106111771A (zh) * | 2016-06-22 | 2016-11-16 | 武汉理工大学 | 铝合金盘毂类零件搅拌摩擦冲挤成形方法 |
WO2017144775A1 (en) * | 2016-02-22 | 2017-08-31 | Aalto University Foundation | Method and tools for manufacturing of seamless tubular shapes, especially tubes |
WO2018203110A1 (en) * | 2017-05-04 | 2018-11-08 | I.N.C.A. S.P.A. A Socio Unico | Method for forming objects made of metal by backward extrusion and die for carrying out the method |
JP2019042771A (ja) * | 2017-09-04 | 2019-03-22 | 山野井精機株式会社 | 円筒管に円筒状の突起を形成する方法、円筒状の突起を備えた円筒管及び円筒管と外部部材と固着構造 |
JP2021186817A (ja) * | 2020-05-27 | 2021-12-13 | 株式会社神戸製鋼所 | 構造部材の接合方法 |
CN115365503A (zh) * | 2022-07-25 | 2022-11-22 | 西安交通大学 | 氮化铝增强铝合金缸套的制备方法 |
Families Citing this family (3)
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JP5712448B2 (ja) * | 2010-01-14 | 2015-05-07 | 山野井精機株式会社 | 突起を有する金属部品、金属部材に突起を形成する方法及び突起形成装置 |
KR102041853B1 (ko) * | 2018-11-16 | 2019-11-07 | 울산대학교 산학협력단 | 마찰교반 단조장치 및 마찰교반 단조 성형방법 |
KR102417164B1 (ko) * | 2020-05-20 | 2022-07-06 | 울산대학교 산학협력단 | 마찰교반 단조장치 및 이를 이용한 마찰교반 단조 성형방법 |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9120139B2 (en) | 2008-07-15 | 2015-09-01 | Yamanoiseiki Co., Ltd. | Method of and a device for forming a projection on a metal member and a metal part processed by the method of forming a projection |
JP2013501629A (ja) * | 2009-08-13 | 2013-01-17 | ザ・ボーイング・カンパニー | 逐次鍛造 |
WO2011019447A1 (en) * | 2009-08-13 | 2011-02-17 | The Boeing Company | Incremental forging |
US8323427B1 (en) | 2009-09-14 | 2012-12-04 | The Boeing Company | Engineered shapes from metallic alloys |
WO2011057748A1 (de) * | 2009-11-10 | 2011-05-19 | Universität Paderborn | Verfahren zum reibumformen eines werkstücks |
JP2012139734A (ja) * | 2012-05-02 | 2012-07-26 | Nihon Univ | 摩擦圧接による突起部の形成 |
CN102699084A (zh) * | 2012-06-01 | 2012-10-03 | 北京理工大学 | 反向扭转挤压制备杯形件 |
JP2015098057A (ja) * | 2015-02-19 | 2015-05-28 | 山野井精機株式会社 | 突起を有する金属部品および金属部材に突起を形成する方法 |
CN109070167A (zh) * | 2016-02-22 | 2018-12-21 | 阿尔托大学基金会 | 用于制造无缝管状形状尤其管的方法和工具 |
WO2017144775A1 (en) * | 2016-02-22 | 2017-08-31 | Aalto University Foundation | Method and tools for manufacturing of seamless tubular shapes, especially tubes |
US11045853B2 (en) | 2016-02-22 | 2021-06-29 | Aalto University Foundation Sr | Method and tools for manufacturing of seamless tubular shapes, especially tubes |
CN106111771A (zh) * | 2016-06-22 | 2016-11-16 | 武汉理工大学 | 铝合金盘毂类零件搅拌摩擦冲挤成形方法 |
WO2018203110A1 (en) * | 2017-05-04 | 2018-11-08 | I.N.C.A. S.P.A. A Socio Unico | Method for forming objects made of metal by backward extrusion and die for carrying out the method |
JP2019042771A (ja) * | 2017-09-04 | 2019-03-22 | 山野井精機株式会社 | 円筒管に円筒状の突起を形成する方法、円筒状の突起を備えた円筒管及び円筒管と外部部材と固着構造 |
JP2021186817A (ja) * | 2020-05-27 | 2021-12-13 | 株式会社神戸製鋼所 | 構造部材の接合方法 |
JP7428589B2 (ja) | 2020-05-27 | 2024-02-06 | 株式会社神戸製鋼所 | 構造部材の接合方法 |
CN115365503A (zh) * | 2022-07-25 | 2022-11-22 | 西安交通大学 | 氮化铝增强铝合金缸套的制备方法 |
CN115365503B (zh) * | 2022-07-25 | 2023-08-01 | 西安交通大学 | 氮化铝增强铝合金缸套的制备方法 |
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