CN111112331B - 一种高强度的织构复合基带的制备方法 - Google Patents

一种高强度的织构复合基带的制备方法 Download PDF

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CN111112331B
CN111112331B CN201911395705.7A CN201911395705A CN111112331B CN 111112331 B CN111112331 B CN 111112331B CN 201911395705 A CN201911395705 A CN 201911395705A CN 111112331 B CN111112331 B CN 111112331B
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王永永
王梦涵
陈诺
张喜林
刘志勇
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0242—Lubricants
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/06—Thermomechanical rolling

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Abstract

本发明公开了一种高强度的织构复合基带的制备方法，该复合基带外层为Ni‑5at.%W合金，芯层为304不锈钢，以Ni‑5at.%W/不锈钢/Ni‑5at.%W顺序叠加成三层结构，首先采用真空热压烧结，控制烧结升温速率、温度及压力获得复合坯锭，然后进行三道次热轧，随后进行冷轧及再结晶热处理获得高强度的织构复合基带。本发明通过层状复合结构的设计思路，最终开发了适合第二代涂层超导带材用的高性能金属基带。

Description

一种高强度的织构复合基带的制备方法
技术领域
本发明涉及一种高强度的织构复合基带的制备方法，属于第二代高温涂层超导体用的织构金属基底材料制备技术领域。
背景技术
第二代高温涂层超导材料具有独特的电性能和磁性能，具有巨大的应用潜力，也存在着巨大的商业市场，始终受到科研界的广泛关注。基于实用化的考虑，第二代高温涂层超导材料需要制备成一定长度的韧性带材，目前，第二代高温超导带材主要由金属基底、过渡层及超导层组成，作为涂层导体带材使用，金属基底需要具有强立方织构才能外延生长高质量的过渡层及超导层薄膜。除了金属基带需要强立方织构以外，还需要具有良好的力学性能，并且在液氮温区无铁磁性。目前，镍钨合金具有优良的综合性能，但是要制备高性能的涂层超导带材需要金属基带具有更高的力学性能，单纯依靠传统方法制备镍钨合金基带已经无法再进一步提高其力学性能，而复合基带具有良好的力学性能，但是目前主要集中在不同成分的镍基合金的复合中，其力学性能提高的程度有限，因此，开发更多的合金体系来制备更高强度的金属基带具有重要的科学价值和工业意义。
发明内容
本发明的目的是提供了一种高强度的织构复合基带的制备方法，该方法通过层状复合结构的设计思路，开发适合第二代涂层超导带材用的高性能金属基带。
本发明所提供的一种高强度的织构复合基带的制备方法，其特征在于具体步骤为：
（1）复合结构的成分设计及坯锭制备
外层为Ni-5at.%W合金，芯层为304不锈钢，以Ni-5at.%W/不锈钢/Ni-5at.%W的顺序叠加而成三层结构，其中，外层为锻造获得的Ni-5at.%W合金，厚度为1mm，芯层为熔铸获得的304不锈钢，厚度为10mm，采用真空热压烧结的方法获得复合坯锭，烧结过程中以100℃/min的升温速率升温至1100℃~1120℃，保温2小时，轴向压力为45Mpa~50Mpa；
（2）复合坯锭的热轧
将步骤（1）得到的复合坯锭升温至1220℃~1250℃保温0.5小时后进行热轧得到热轧合金带材，总变形量为70%，热轧过程仅用三道次来完成；
（3）热轧合金带材的冷轧
将步骤（2）得到的热轧合金带材进行冷轧变形，获得厚度为75μm~100μm的冷轧合金带材，每道次厚度压下量控制在15%~20%，润滑剂为氯化石蜡；
（4）冷轧合金带材的再结晶退火
将步骤（3）得到的冷轧合金带材进行再结晶退火，具体工艺：1100℃~1120℃保温30min~35min，升温速率：1~20℃/min，冷却方式：随炉降温，最终得到高强度的织构复合基带。
本发明与现有技术相比具有以下有益效果：本发明通过层状复合结构的设计思路，最终开发了适合第二代涂层超导带材用的高性能金属基带。
附图说明
图1是实施例1所得复合基带表面的{100}极图。
图2是实施例2所得复合基带表面的{100}极图。
具体实施方式
实施例1
外层为Ni-5at.%W合金，芯层为304不锈钢，以Ni-5at.%W/不锈钢/Ni-5at.%W顺序叠加成三层结构，其中，外层为锻造获得的Ni-5at.%W合金，厚度为1mm，芯层为熔铸获得的304不锈钢，厚度为10mm，采用真空热压烧结的方法获得复合坯锭，烧结过程中以100℃/min的升温速率升温至1100℃，保温2小时，轴向压力为50Mpa；将得到的复合坯锭升温至1220℃保温0.5小时后进行热轧得到热轧合金带材，总变形量为70%，热轧过程仅用三道次来完成；将得到的热轧合金带材进行冷轧变形，获得厚度为75μm的冷轧合金带材，每道次厚度压下量控制在20%，润滑剂为氯化石蜡；将得到的冷轧合金带材进行再结晶退火，具体工艺：1100℃保温35min，升温速率：20℃/min，冷却方式：随炉降温，最终得到高强度的织构复合基带，所得复合基带表面的{100}极图如图1所示。
实施例2
外层为Ni-5at.%W合金，芯层为304不锈钢，以Ni-5at.%W/不锈钢/Ni-5at.%W顺序叠加成三层结构，其中，外层为锻造获得的Ni-5at.%W合金，厚度为1mm，芯层为熔铸获得的304不锈钢，厚度为10mm，采用真空热压烧结的方法获得复合坯锭，烧结过程中以100℃/min的升温速率升温至1100℃，保温2小时，轴向压力为45Mpa；将得到的复合坯锭升温至1220℃保温0.5小时后进行热轧得到热轧合金带材，总变形量为70%，热轧过程仅用三道次来完成；将得到的热轧合金带材进行冷轧变形，获得厚度为80μm的冷轧合金带材，每道次厚度压下量控制在20%，润滑剂为氯化石蜡；将得到的冷轧合金带材进行再结晶退火，具体工艺：1100℃保温30min，升温速率：1℃/min，冷却方式：随炉降温，最终得到高强度的织构复合基带，所得复合基带表面的{100}极图如图2所示。

Claims (1)

1.一种高强度的织构复合基带的制备方法，其特征在于具体步骤为：
（1）复合结构的成分设计及坯锭制备：
外层为Ni-5at.%W合金，芯层为304不锈钢，以Ni-5at.%W/不锈钢/Ni-5at.%W顺序叠加成三层结构，其中，外层为锻造获得的Ni-5at.%W合金，厚度为1mm，芯层为熔铸获得的304不锈钢，厚度为10mm，采用真空热压烧结的方法获得复合坯锭，烧结过程中以100℃/min的升温速率升温至1100℃~1120℃，保温2小时，轴向压力为45Mpa~50Mpa；
（2）复合坯锭的热轧
将步骤（1）得到的复合坯锭升温至1220℃~1250℃保温0.5小时后进行热轧得到热轧合金带材，总变形量为70%，热轧过程仅用三道次来完成；
（3）热轧合金带材的冷轧
将步骤（2）得到的热轧合金带材进行冷轧变形，获得厚度为75μm~100μm的冷轧合金带材，每道次厚度压下量控制在15%~20%，润滑剂为氯化石蜡；
（4）冷轧合金带材的再结晶退火
将步骤（3）得到的冷轧合金带材进行再结晶退火，具体工艺：1100℃~1120℃保温30min~35min，升温速率：1~20℃/min，冷却方式：随炉降温，最终得到高强度的织构复合基带。
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