WO2017043360A1 - Plaque de revêtement et son procédé de fabrication - Google Patents

Plaque de revêtement et son procédé de fabrication Download PDF

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Publication number
WO2017043360A1
WO2017043360A1 PCT/JP2016/075231 JP2016075231W WO2017043360A1 WO 2017043360 A1 WO2017043360 A1 WO 2017043360A1 JP 2016075231 W JP2016075231 W JP 2016075231W WO 2017043360 A1 WO2017043360 A1 WO 2017043360A1
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Prior art keywords
layer
clad
quench
aluminum alloy
rolling
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PCT/JP2016/075231
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English (en)
Japanese (ja)
Inventor
奥井　利行
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新日鐵住金株式会社
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Application filed by 新日鐵住金株式会社 filed Critical 新日鐵住金株式会社
Priority to CN201680039833.6A priority Critical patent/CN107708910B/zh
Priority to KR1020187000730A priority patent/KR102034130B1/ko
Priority to JP2016572846A priority patent/JP6119942B1/ja
Publication of WO2017043360A1 publication Critical patent/WO2017043360A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B32B2038/0048—Annealing, relaxing

Definitions

  • the present invention relates to a clad plate and a manufacturing method thereof.
  • a metal plate used as a material for a sliding member of a mechanical part has a high wear-resistant surface so that it does not cause damage due to friction during sliding. As required.
  • This metal plate is required to be able to efficiently dissipate heat generated by friction due to its excellent thermal conductivity.
  • This metal plate is required to have high surface pressure and high resistance to deformation due to thermal cycle when the sliding environment such as pressure and thermal cycle is severe.
  • This hardness is preferably 350 Hv or more in terms of Vickers hardness as defined in JIS Z2244: 2009.
  • a quench-hardened carbon steel plate or a quench-hardened martensitic stainless steel plate is known as a metal plate having excellent wear resistance.
  • a clad plate made by laminating and bonding a metal plate having excellent wear resistance and a metal plate having excellent thermal conductivity is effective for improving the thermal conductivity of the metal plate having excellent wear resistance. It is.
  • the present inventor disclosed a clad plate having excellent wear resistance and thermal conductivity consisting of three layers according to Patent Document 1.
  • the three layers are a metal layer having a Vickers hardness of 350 Hv or more on at least one surface, an aluminum or aluminum alloy layer, and an arbitrary metal layer.
  • the clad plate disclosed in Patent Document 1 is used as a material for a sliding member used in a severe sliding environment, and the aluminum or aluminum alloy layer has a high surface pressure. It has been found that there is a risk of compression and deformation, and that warpage may occur due to thermal cycling. In particular, if the amount of warpage generated is large, the sliding member interferes with other members, making it impossible to use mechanical parts.
  • An object of the present invention is a clad plate having a surface layer made of a high-hardness metal material having excellent wear resistance and an intermediate layer having excellent thermal conductivity, and particularly under a severe sliding environment, It is an object of the present invention to provide a clad plate that can prevent both an intermediate layer from being compressed and deformed by a high surface pressure and a warp from being caused by a thermal cycle, and a method for manufacturing the same.
  • an object of the present invention is to provide a high resistance to deformation caused by frictional pressure and frictional heat, so that the clad plate can be suitably used as a material for a sliding member used in a particularly severe sliding environment. It is to provide a manufacturing method thereof.
  • a clad plate composed of three layers of a first layer (surface layer), a second layer (intermediate layer), and a third layer (surface layer) is used as a material for a sliding member used in a particularly severe sliding environment. Used.
  • Aluminum alloy is used as the second layer.
  • the yield strength of this aluminum alloy at 400 ° C. is over 10 MPa.
  • the proof stress of this aluminum alloy at room temperature after complete annealing is 1/10 or less of the proof strength of the quench-hardened carbon steel or quench-hardened martensitic stainless steel constituting the first and third layers.
  • the clad plate having the first layer, the second layer, and the third layer can substantially prevent deformation of the sliding member even when exposed to a high surface pressure or thermal cycle.
  • the present invention is listed below.
  • a clad plate comprising a first layer, a second layer, and a third layer laminated in this order in the thickness direction,
  • the first layer and the third layer are quench-hardened carbon steel or quench-hardened martensitic stainless steel, and are made of the same material
  • the second layer is made of an aluminum alloy
  • the proof stress of the aluminum alloy at 400 ° C. is more than 10 MPa
  • the yield strength of the aluminum alloy at room temperature after complete annealing is 1/10 or less of the yield strength of the quench-hardened carbon steel or quench-hardened martensitic stainless steel
  • the clad plate wherein an absolute value of a difference in residual stress between each of the first layer and the third layer is within 150 MPa.
  • Friction test A clad plate was processed into a disk with a diameter of 100 mm, and a position 10 mm away from the outermost periphery of the disk in the radial direction was made of two materials of SUJ2 defined in JIS G4805: 2008 and a cross-sectional area of 1 cm 2 . Rotate the disk at 100 rpm while applying a load of 100 N with a pin, and when the surface temperature of the disk reaches 300 ° C., increase the load to 1000 N and perform braking for 10 cycles. Place it flat on the board and measure the amount of warpage, which is the maximum value of the amount of the disc separated from the surface of the surface plate.
  • the laminate is joined and rolled at a rolling reduction of 10% or more, a first layer made of quench-hardened carbon steel or quench-hardened martensitic stainless steel, a second layer made of an aluminum alloy, and the first layer, A first rolling step as a clad band having a third layer made of the same material; A first heat treatment step of performing a first heat treatment in which the clad band is held at 300 to 500 ° C.
  • a method for producing a clad plate comprising: a second heat treatment step of performing a second heat treatment in which the clad band rolled with the front tension and the rear tension is held at 300 to 500 ° C. for 3 minutes or more. However, the values of the front tension and the rear tension are obtained based on the cross-sectional areas of the first layer and the third layer in the cladding band.
  • the clad plate according to the present invention has high resistance to deformation during use due to frictional pressure and frictional heat.
  • the second layer is compressed and deformed by a high surface pressure, and warping is a thermal cycle. Can be substantially prevented.
  • the clad plate according to the present invention is suitably used as a material for a sliding member used in a particularly severe sliding environment.
  • FIG. 1 is an explanatory view showing the overall configuration of an example of a clad plate according to the present invention.
  • FIG. 1 is an explanatory diagram showing an overall configuration of an example of a clad plate 1 according to the present invention.
  • the clad plate 1 includes a first layer (surface layer) 2, a second layer (intermediate layer) 3, and a third layer (surface layer) 4.
  • the second layer 3 is joined to the first layer 2 through one of the two surfaces.
  • the second layer 3 is joined to the third layer 4 through the other of the two surfaces.
  • the clad plate 1 has a first layer 2 and a third layer 4 made of a hard metal having excellent wear resistance as surface layers. Furthermore, the clad plate 1 has a second layer 3 made of an aluminum alloy having excellent thermal conductivity as an intermediate layer.
  • a clad plate composed of two layers of high hardness metal and aluminum, or a clad plate composed of three layers having metals having different coefficients of thermal expansion in the first layer 2 and the third layer 4 is subject to thermal deformation due to the bimetal effect. Since it occurs during use as a moving member, deformation due to thermal cycling cannot be suppressed.
  • the clad plate 1 according to the present invention is a clad plate composed of three layers of a first layer 2, a second layer 3 and a third layer 4.
  • the first layer 2 and the third layer 4 are both quench-hardened carbon steel or quench-hardened martensitic stainless steel, and are made of the same material.
  • the second layer 3 is made of an aluminum alloy.
  • Both the first layer 2 and the third layer 4 are quench-hardened carbon steel or quench-hardened martensitic stainless steel (collectively referred to as “quenze hardened steel” in the following description), and are made of the same material. .
  • the reason why the hardened steel is used as the first layer 2 and the third layer 4 is as follows. (A) Quenching hardened steel can exhibit excellent wear resistance, Vickers hardness of 350 Hv or more can be easily obtained, and
  • the difference in residual stress between the first layer 2 and the third layer 4 is within 150 MPa, and is suppressed to a small value. Thereby, the clad plate 1 can substantially prevent warpage during use as a sliding member.
  • This difference in residual stress is desirably within 100 MPa, and more desirably within 80 MPa.
  • the residual stress of each of the first layer 2 and the third layer 4 of the clad plate 1 is measured for the stress in the direction parallel to the rolling direction on the outer surface of each of the first layer 2 and the third layer 4, and an X-ray diffractometer is used. It is calculated from the gradient of the 2 ⁇ -sin 2 ⁇ diagram obtained by the parallel tilt method.
  • the difference in residual stress between the first layer 2 and the third layer 4 is obtained by subtracting the residual stress at the outer surface of the third layer 4 from the residual stress at the outer surface of the first layer 2.
  • Second layer 3 The second layer 3 is made of an aluminum alloy.
  • the yield strength of this aluminum alloy at 400 ° C. is over 10 MPa.
  • the proof stress of this aluminum alloy at room temperature after complete annealing is 1/10 or less of the proof strength of quench-hardened steel.
  • Copper, aluminum, copper alloy, or aluminum alloy is considered as a metal having excellent thermal conductivity used for the second layer (intermediate layer) 3.
  • An aluminum alloy capable of warm rolling joining in the air is desirable from the viewpoint of the productivity of the clad plate.
  • the second layer 3 of the clad plate 1 is not made of pure aluminum (1000 series) defined by JIS H4000: 2014 but is made of an aluminum alloy.
  • the yield strength of the second layer 3 at 400 ° C. is desirably 12 MPa or more, and more desirably 15 MPa or more.
  • the proof stress of the aluminum alloy used as the second layer 3 as the intermediate layer is 1/10 or less of the proof strength of the hardened hardened steel used as the first layer 2 and the third layer 4.
  • the proof stress of the aluminum alloy is 1 / 12.5 or less of the proof strength of the hardening hardened steel used as the first layer 3 and the third layer 4.
  • the first layer 2 and the third layer 4 are different from before the start of use, or because the first layer 2 and the third layer 4 are unevenly thinned due to wear during use, the first layer Even when the thicknesses of the second layer 3 and the third layer 4 are different, the proof stress of the aluminum alloy of the second layer 3 is sufficiently smaller than the proof strength of the hardened hardened steel of the first layer 2 and the third layer 4. The deformation of the sliding member is reduced.
  • the proof stress of heat treatment type (precipitation hardening type) aluminum alloys of 2000 series, 6000 series and 7000 series represented by duralumin is high.
  • the strength of the heat-treatable aluminum alloy varies greatly within the operating temperature range (room temperature to 500 ° C.) of the clad plate 1. For this reason, it is not desirable to use a heat-treatable aluminum alloy for the second layer 3.
  • each of the first layer 2, the second layer 3, and the third layer 4 may be appropriately set in consideration of the performance required for the sliding member.
  • the thicknesses of the first layer 2 and the third layer 4 are preferably the same in order to reduce warpage.
  • the thickness of each of the first layer 2 and the third layer 4 is 0.2 to 1.0 mm
  • the thickness of the second layer is 0.5 to 1.0 mm.
  • the material of the first layer 2 (hardened carbon steel having a Vickers hardness of 350 Hv or more or quench-hardened martensitic stainless steel plate, hereinafter collectively referred to as “quenching-hardened steel plate”) and the second layer 3
  • the material (aluminum alloy plate) and the material of the third layer 4 (quenched hardened steel plate made of the same material as the first layer 2) are individually heated to 250 to 430 ° C. and laminated in this order.
  • the laminated body is joined and rolled (first rolling) at a rolling reduction of 10% or more, a first layer made of quench-hardened steel, a second layer made of an aluminum alloy, and a third layer made of the same material as the first layer.
  • the clad plate 1 is manufactured through a second heat treatment in which the clad strip subjected to the second rolling is held at 300 to 500 ° C. for 3 minutes or more. Further if necessary
  • a step of flattening the clad band subjected to the second heat treatment with a leveler may be performed.
  • each process is demonstrated one by one.
  • the heating temperature is 250 to 430 ° C.
  • the heating temperature is desirably 300 ° C. or higher, desirably 400 ° C. or lower.
  • 1st rolling is performed in order to make the raw material of the 1st layer 2, the raw material of the 2nd layer 3, and the raw material of the 3rd layer 4 a temporary joined state, and to advance mutual diffusion by the 1st heat treatment after the 1st rolling.
  • the rolling reduction of the first rolling is less than 10%, the mutual diffusion does not proceed sufficiently at the joint interface even if the first heat treatment is performed.
  • the rolling reduction of the first rolling is 10% or more, desirably 20% or more.
  • the upper limit of the rolling reduction of the first rolling is not limited.
  • the rolling reduction of the first rolling is desirably 60% or less, desirably 50% or less, from the viewpoint of increasing the load on the rolling mill and difficulty in securing the product shape.
  • the rolling reduction (%) is obtained as 100 ⁇ ⁇ (plate thickness of the laminate) ⁇ (plate thickness of the clad band) ⁇ / (plate thickness of the laminate).
  • the laminate in which the materials of the first layer 2, the second layer 3 and the third layer 4 are laminated is warm-rolled in the atmosphere.
  • the laminate is a clad band having a first layer made of quench-hardened steel, a second layer made of an aluminum alloy, and a third layer made of the same material as the first layer.
  • each of the first layer 2 and the third layer 4 constituting the clad plate 1 has a particularly high strength compared to the material of the second layer 3 (aluminum alloy plate). For this reason, only the material (aluminum alloy plate) of the second layer 3 expands during the joining rolling.
  • a new surface necessary for clad bonding hardly occurs in the materials (quenched hardened steel plates) of the first layer 2 and the third layer 4 constituting the clad plate 1. For this reason, the clad band which completed the 1st rolling does not have sufficient joint strength.
  • the material of the first layer 2, the material of the second layer 3, and the material of the third layer 4 are in a temporarily joined state.
  • the first heat treatment is performed to advance the interdiffusion at the bonding interface.
  • High joint strength can be obtained by performing the second rolling and second heat treatment described later after the first heat treatment.
  • the temperature of the first heat treatment is desirably 320 ° C. or higher, desirably 400 ° C. or lower.
  • interdiffusion at the bonding interface proceeds even with a short heat treatment.
  • a heat treatment time of 3 minutes or more, preferably 10 minutes or more is effective for interdiffusing uniformly across the bonding interface. Therefore, the first heat treatment is performed by holding at 300 to 500 ° C. for 3 minutes or more.
  • the time for the first heat treatment is desirably 2 hours or less from the viewpoint of manufacturing cost.
  • the clad band before the second rolling is in a state where the interdiffusion at the joint interface has progressed by the first heat treatment.
  • the material of each of the first layer 2 and the third layer 4 quenched hardened steel plate
  • the material of the second layer 3 aluminum alloy plate
  • the material of each of the first layer 2, the second layer 3, and the third layer 4 is stretched at substantially the same reduction rate by performing the second rolling on the clad band in this state. Thereby, the new surface in the surface of the material of each of the first layer 2 and the third layer 4 is efficiently generated.
  • the individual reduction ratios of the first layer 2, the second layer 3, and the third layer 4 are almost the same as the total reduction ratio. For this reason, a new surface is generated on the surface of the material of each of the first layer 2 and the third layer 4 at the same ratio as the total rolling reduction, and joining proceeds.
  • the rolling reduction of the second rolling is less than 2.0%, even if the second heat treatment is performed after the second rolling, the bonding strength of the clad plate 1 is less than 10 N / mm. For this reason, the rolling reduction of 2nd rolling is 2.0% or more, Preferably it is 3.0% or more.
  • the rolling reduction of the second rolling is not more than the breaking elongation value of the clad band after the first heat treatment.
  • the rolling reduction (%) of the second rolling is 100 ⁇ ⁇ (the thickness of the clad band before the second rolling) ⁇ (the thickness of the clad band after the second rolling) ⁇ / (the clad before the second rolling) It is calculated as the thickness of the strip).
  • the clad band has a bonding strength that can withstand the second rolling performed subsequently by performing the first heat treatment.
  • the raw material (hardening hardening steel plate) of each of the 1st layer 2 and the 3rd layer 4 is extended by performing the 2nd rolling to a clad belt. As a result, a new surface is generated at the bonding interface.
  • the reason why the second rolling is performed by increasing the forward tension on the clad band is to uniformize the processing strain applied to the materials of the first layer 2 and the third layer 4 by the second rolling, and thereby the surface of the clad plate 1. This is because the absolute value of the difference in residual stress between the first layer 2 and the third layer 4 forming the back surface is reduced.
  • the rolling force required for deformation of the clad band directly under the rolling roll decreases with an increase in the back tension, and the plate thickness decreases with a smaller rolling force.
  • the difference in residual stress inherent in each of the first layer and the third layer of the rolled clad band is reduced by an increase in the front tension, and the surface layer of each of the first layer 2 and the third layer 4 of the clad plate 1
  • the difference in residual stress at is as small as 150 MPa.
  • the rear tension is increased in order to reduce the rolling load.
  • the processing strain provided to each of the 1st layer 2 and the 3rd layer 4 is equalize
  • the values of the front tension and the rear tension are both determined based on the cross-sectional areas of the first layer and the third layer in the clad band and are 10 kg / mm 2 or more.
  • the forward tension is desirably 15 kg / mm 2 or more.
  • the forward tension is desirably 35 kg / mm 2 or less because there is a risk of causing warping due to shrinkage deformation in the plate width direction if it is excessively increased.
  • the clad plate 1 is manufactured by performing a second heat treatment that is held at 300 to 500 ° C. for 3 minutes or more.
  • the purpose of the second heat treatment is to ensure the bonding strength necessary for the clad plate 1 and to homogenize each of the first layer 2, the second layer 3 and the third layer 4 prior to use as a sliding member. By doing so, the strength of each of the first layer 2, the second layer 3, and the third layer 4 is not changed by the thermal cycle in use.
  • the joint strength of the clad band increases rapidly by performing the second rolling and the second heat treatment.
  • a new surface is generated at the bonding interface of the respective materials of the first layer 2 and the third layer 4 that have been subjected to the second rolling.
  • interdiffusion does not proceed to this bonding interface.
  • the joining strength of the clad band after the second rolling is small.
  • the temperature of the second heat treatment is desirably 300 ° C. or higher, desirably 400 ° C. or lower.
  • the second heat treatment is performed by holding at 300 to 500 ° C. for 3 minutes or longer, desirably 10 minutes or longer. From the viewpoint of manufacturing cost, it is desirable that the time for the second heat treatment is 2 hours or less.
  • the second heat treatment preliminarily causes age hardening that proceeds at 300 to 500 ° C. in martensitic stainless steel, and softening heat treatment that proceeds at 300 to 500 ° C. in advance in an aluminum alloy. Thereby, the change of the characteristic by the heat cycle at the time of actual use of the clad board 1 is prevented.
  • the clad plate 1 having the first layer 2 and the third layer 4 which are surface layers excellent in wear resistance and the second layer 3 which is an intermediate layer excellent in thermal conductivity is manufactured.
  • the clad plate 1 is that the second layer 3 made of an aluminum alloy is compressed and deformed due to a high surface pressure particularly when used under a severe sliding environment, and warpage occurs due to a thermal cycle. Can be prevented.
  • the clad plate 1 shown in FIG. 1 was prepared and obtained by variously changing the composition and manufacturing conditions of the first layer 2, the second layer 3 and the third layer 4 respectively.
  • the Vickers hardness and bonding strength of the first layer 2 of the clad plate 1 and the residual stress difference between the first layer 2 and the third layer 4 were measured.
  • the residual stress difference was determined by the method described above. Further, the front tension and the rear tension of the second rolling were obtained by conversion from the power value of the reel motor.
  • the friction test was performed on the clad plate 1 to measure the amount of warpage. The case where the amount of warpage exceeded 1.5 mm was determined as defective.
  • Table 1 The test conditions and results are summarized in Table 1.
  • the numbers 1 to 5 and 12 in Table 1 are examples of the present invention that satisfy all the rules of the present invention, and the numbers 6 to 11 and 13 to 15 are comparative examples that do not satisfy the rules of the present invention.
  • the warpage amount is suppressed to a target value of 1.5 mm or less.
  • the example of this invention of the number 12 did not perform the flat correction by a leveler, although the amount of curvature was a little large with 1.5 mm, it was a pass level.
  • the surface of the disk (the first layer 2 and the third layer 4) is worn by the friction test, Damaged at 7th cycle.
  • the warpage amount was 3.5 mm.
  • the comparative example of No. 9 was not joined because the rolling reduction of the first rolling did not reach the range of the present invention, and the subsequent experiment was stopped.
  • the material characteristics of the first layer 2, the second layer 3 and the third layer 4 are not uniformized, and the warpage amount is 1. 9 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Laminated Bodies (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'invention concerne une plaque de revêtement, qui a une résistance élevée à l'encontre d'une déformation due à une pression de frottement et une chaleur de frottement lorsqu'elle est utilisée, même si elle est utilisée comme matériau pour un élément de coulissement qui est utilisé dans un environnement de coulissement spécialement sévère. Une plaque de revêtement (1) comprend une première couche (2), une deuxième couche (3) et une troisième couche (4) qui sont stratifiées en séquence dans la direction de l'épaisseur de plaque, dans cet ordre. La première couche (2) et la troisième couche (4) sont constituées par le même matériau, qui est un acier au carbone durci par trempe ou un acier inoxydable martensitique. La deuxième couche (3) est constituée par un alliage d'aluminium. La limite conventionnelle d'élasticité de l'alliage d'aluminium à 400° C est supérieure à 10 MPa. La limite conventionnelle d'élasticité de l'alliage d'aluminium à température ambiante après un recuit complet est de 1/10 ou moins de la limite conventionnelle d'élasticité de l'acier au carbone durci par trempe ou de l'acier inoxydable martensitique. La différence entre la contrainte résiduelle de la première couche (2) et la contrainte résiduelle de la troisième couche (4) est de 150 MPa ou moins.
PCT/JP2016/075231 2015-09-09 2016-08-29 Plaque de revêtement et son procédé de fabrication WO2017043360A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680039833.6A CN107708910B (zh) 2015-09-09 2016-08-29 金属复合板及其制造方法
KR1020187000730A KR102034130B1 (ko) 2015-09-09 2016-08-29 클래드판과 그 제조 방법
JP2016572846A JP6119942B1 (ja) 2015-09-09 2016-08-29 クラッド板とその製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-177716 2015-09-09
JP2015177716 2015-09-09

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WO2017043360A1 true WO2017043360A1 (fr) 2017-03-16

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JP6382434B1 (ja) * 2017-07-31 2018-08-29 東洋鋼鈑株式会社 電子機器用圧延接合体及び電子機器用筐体
JP6382435B1 (ja) * 2017-06-20 2018-08-29 東洋鋼鈑株式会社 圧延接合体
CN108481838A (zh) * 2017-03-29 2018-09-04 东洋钢钣株式会社 电子设备用轧制接合体及电子设备用壳体
WO2018181702A1 (fr) * 2017-03-29 2018-10-04 東洋鋼鈑株式会社 Corps assemblé au rouleau pour dispositifs électroniques et boîtier pour dispositifs électroniques
WO2018181688A1 (fr) * 2017-03-29 2018-10-04 東洋鋼鈑株式会社 Corps assemblé au rouleau
WO2018181717A1 (fr) * 2017-03-29 2018-10-04 東洋鋼鈑株式会社 Corps colaminé destiné à un dispositif électronique et boîtier destiné à un dispositif électronique
CN112481466A (zh) * 2020-10-30 2021-03-12 四川惊雷科技股份有限公司 碳钢-不锈钢复合板的补救热处理工艺
CN114769312A (zh) * 2022-04-27 2022-07-22 郑州宇光复合材料有限公司 一种手机摄像头承托用材料的制备方法及其应用

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CN108481838A (zh) * 2017-03-29 2018-09-04 东洋钢钣株式会社 电子设备用轧制接合体及电子设备用壳体
WO2018181702A1 (fr) * 2017-03-29 2018-10-04 東洋鋼鈑株式会社 Corps assemblé au rouleau pour dispositifs électroniques et boîtier pour dispositifs électroniques
WO2018181688A1 (fr) * 2017-03-29 2018-10-04 東洋鋼鈑株式会社 Corps assemblé au rouleau
WO2018181717A1 (fr) * 2017-03-29 2018-10-04 東洋鋼鈑株式会社 Corps colaminé destiné à un dispositif électronique et boîtier destiné à un dispositif électronique
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JP6382436B1 (ja) * 2017-07-31 2018-08-29 東洋鋼鈑株式会社 電子機器用圧延接合体及び電子機器用筐体
JP6382434B1 (ja) * 2017-07-31 2018-08-29 東洋鋼鈑株式会社 電子機器用圧延接合体及び電子機器用筐体
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JP2019025543A (ja) * 2017-07-31 2019-02-21 東洋鋼鈑株式会社 電子機器用圧延接合体及び電子機器用筐体
CN112481466A (zh) * 2020-10-30 2021-03-12 四川惊雷科技股份有限公司 碳钢-不锈钢复合板的补救热处理工艺
CN114769312A (zh) * 2022-04-27 2022-07-22 郑州宇光复合材料有限公司 一种手机摄像头承托用材料的制备方法及其应用

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