CN109338242B - 一种耐蚀软磁非晶钢 - Google Patents

一种耐蚀软磁非晶钢 Download PDF

Info

Publication number
CN109338242B
CN109338242B CN201811286516.1A CN201811286516A CN109338242B CN 109338242 B CN109338242 B CN 109338242B CN 201811286516 A CN201811286516 A CN 201811286516A CN 109338242 B CN109338242 B CN 109338242B
Authority
CN
China
Prior art keywords
corrosion
soft magnetic
amorphous
amorphous composite
percent
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.)
Active
Application number
CN201811286516.1A
Other languages
English (en)
Other versions
CN109338242A (zh
Inventor
赵燕春
孙浩
杨壮
赵鹏彪
丁雨田
寇生中
蒋建龙
毛雪晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lanzhou University of Technology
Original Assignee
Lanzhou University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lanzhou University of Technology filed Critical Lanzhou University of Technology
Priority to CN201811286516.1A priority Critical patent/CN109338242B/zh
Publication of CN109338242A publication Critical patent/CN109338242A/zh
Application granted granted Critical
Publication of CN109338242B publication Critical patent/CN109338242B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

一种耐蚀软磁非晶钢，按原子百分比计，包括如下成份：C：0.9~2.5%；Mn：14.3%~18.6%；Si：9.3%~9.5%；Cr：13.1%~15.8%，其余为Fe元素，本发明的非晶复合钢其组织为奥氏体+铁素体/非晶复合结构，高强高韧同时耐海水腐蚀并表现出良好的软磁性能。

Description

一种耐蚀软磁非晶钢
技术领域
本发明涉及铁基非晶复合材料领域，具体是耐蚀软磁非晶复合结构钢技术。
背景技术
铁基非晶合金由于原子排列在三维空间为拓扑无序的玻璃态、而在不超过4-5个原子间距存在1.5nm范围内的化学短程有序或拓扑短程有序区，无位错、晶界、偏析等结晶缺陷，具有接近于理论极限的断裂强度、优异的软磁性能和耐腐蚀性能。开发新型耐蚀、软磁、高强韧的非晶复合结构钢将广泛应用于海洋坏境及高效节能技术领域。
发明内容
本发明的目的是提供一种耐蚀软磁非晶钢。
本发明是一种耐蚀软磁非晶钢，按原子百分比计，包括如下成份：C：0.9%；Mn：14.3%；Si：9.3%；Cr：13.1或14.1%，其余为Fe元素。
本发明的有益效果在于：本发明的非晶复合钢其组织为奥氏体+铁素体/非晶复合结构，高强高韧同时耐海水腐蚀并表现出良好的软磁性能。
附图说明
图1为本发明实施例非晶复合结构钢的XRD衍射曲线。本发明实施例的组织为奥氏体+铁素体/非晶复合结构，图2为本发明实施例非晶复合结构钢的室温压缩应力-应变曲线，图3为本发明实施例非晶复合结构钢在海水中的电化学极化曲线，图4为本发明实施例非晶复合结构钢1的VSM磁化曲线，图5为本发明实施例非晶复合结构钢2的VSM磁化曲线。
具体实施方式
实现本发明目的的技术解决方案为：通过调控元素含量获得非晶基体中原位析出奥氏体和铁素体相的非晶复合结构钢，耐海水腐蚀并具备良好软磁性能，且在加载时表现出高强度的同时具有良好韧塑性。
所述的耐蚀软磁非晶钢按原子百分比包括如下成份：C：0.9%；Mn：14.3%；Si：9.3%；Cr：13.1或14.1%，其余为Fe元素。
Mn和C元素能够稳定奥氏体相，Cr和Si元素能够稳定铁素体相；另一方面类金属与金属组元有负的较大原子对混合焓，并提高混合熵△Smix和原子尺寸差δ，提高非晶形成能力。Cr元素为影响耐蚀性能的主要元素，其标准电极电位和费米能级分别为-0.71V和1.11*10-18/J，在海水中形成稳定Cr2O3钝化膜，其电子密度差和杂化轨道数比Fe2O3的大两个数量级，电极电位较高，属于n型半导体。
以下通过实施例详述本发明。实施例的冶炼是在真空感应炉中进行，其化学成分列于表1，钢锭均采用相同规格的铜模铸造成试棒，再分别进行室温力学性能测试、海水中的电化学极化性能测试和VSM磁化性能测试，检测结果列于表2，3和4。
表1是本发明实施例非晶复合结构钢的化学成分(按原子百分数计)。表1中所列本发明实施例的热力学参数，成分1的混合熵△Smix=1.10，混合焓△Hmix=-14.378，原子尺寸差δ=3.646；成分2的混合熵△Smix=1.12，混合焓△Hmix=-14.388，原子尺寸差δ=3.645。
如图1所示，本发明实施例非晶复合结构钢试棒的非晶基体上均有fcc结构的γFe相和bcc结构的αFe相析出。
如图2所示，本发明实施例非晶复合结构钢的室温压缩力学性能其断裂强度超过2.6GPa，屈服强度高达790MPa和978MPa，试棒在应力加载过程中均表现出高强度和大塑性，且伴随显著的加工硬化行为。
如图3所示，本发明实施例具有良好的耐海水腐蚀性能，电化学极化性能测试结果表明，与AISI304不锈钢相比其自腐蚀电位低，腐蚀热力学倾向小；极化电阻高，自腐蚀电流小，腐蚀的动力学速率低。
如图4所示， 本发明实施例具有良好的软磁性能，VSM磁化性能测试结果表明其饱和磁感应强度高于2.78T，矫顽力低于20.24 A·m-1。
表1本发明实施例非晶复合结构钢的化学成分(at.%)：
Figure DEST_PATH_IMAGE002
表2本发明实施例非晶复合结构钢的室温压缩力学性能：
Figure 598629DEST_PATH_IMAGE003
表3本发明实施例非晶复合结构钢在海水中的电化学极化参数：
Figure 423759DEST_PATH_IMAGE005
表4本发明实施例非晶复合结构钢的VSM磁化性能：
Figure DEST_PATH_IMAGE006
。

Claims (1)

1.一种耐蚀软磁非晶钢，其特征在于，按原子百分比计，包括如下成份：C：0.9%；Mn：14.3%；Si：9.3%；Cr：13.1或14.1%，其余为Fe元素。
CN201811286516.1A 2018-10-31 2018-10-31 一种耐蚀软磁非晶钢 Active CN109338242B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811286516.1A CN109338242B (zh) 2018-10-31 2018-10-31 一种耐蚀软磁非晶钢

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811286516.1A CN109338242B (zh) 2018-10-31 2018-10-31 一种耐蚀软磁非晶钢

Publications (2)

Publication Number Publication Date
CN109338242A CN109338242A (zh) 2019-02-15
CN109338242B true CN109338242B (zh) 2020-07-07

Family

ID=65313204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811286516.1A Active CN109338242B (zh) 2018-10-31 2018-10-31 一种耐蚀软磁非晶钢

Country Status (1)

Country Link
CN (1) CN109338242B (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623120A (zh) * 2011-01-28 2012-08-01 胜美达集团株式会社 磁性粉末材料、低损耗复合磁性材料和磁性元件

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56156917A (en) * 1980-05-06 1981-12-03 Matsushita Electric Ind Co Ltd Magnetic head
JP2005160231A (ja) * 2003-11-26 2005-06-16 Mitsui Chemicals Inc リラクタンス回転機の磁性部材

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623120A (zh) * 2011-01-28 2012-08-01 胜美达集团株式会社 磁性粉末材料、低损耗复合磁性材料和磁性元件

Also Published As

Publication number Publication date
CN109338242A (zh) 2019-02-15

Similar Documents

Publication Publication Date Title
Stepanov et al. Effect of carbon content and annealing on structure and hardness of the CoCrFeNiMn-based high entropy alloys
Zhang et al. Annealing on the structure and properties evolution of the CoCrFeNiCuAl high-entropy alloy
Mishra et al. Phase evolution and magnetic characteristics of TiFeNiCr and TiFeNiCrM (M= Mn, Co) high entropy alloys
CN107653421B (zh) 一种耐海水腐蚀的超高强度马氏体时效不锈钢
JP6929005B2 (ja) 超低コバルトの鉄−コバルト磁性合金
Chen et al. Effects of Fe content on microstructures and properties of AlCoCrFe x Ni high-entropy alloys
Duan et al. A novel high-entropy alloy with an exceptional combination of soft magnetic properties and corrosion resistance
Li et al. Microstructure and properties of FeAlCrNiMo x high-entropy alloys
CN105112817B (zh) 一种耐磨耐蚀的非晶合金及其制备方法
Qu et al. Microstructure, mechanical properties and magnetic properties of FeCoNiCuTiSi x high-entropy alloys
Ding et al. Development of CoCrFeNiVAl x high-entropy alloys based on solid solution strengthening
CN109338242B (zh) 一种耐蚀软磁非晶钢
JP2012241210A (ja) 制振合金材の製造方法と制振合金材
JP2013049918A (ja) 電磁ステンレス鋼及びその製造方法
CN113674984B (zh) 一种FeSiAlZrScSr磁粉芯的制备方法
Sánchez-Alarcos et al. Effect of Ti addition on the mechanical properties and the magnetocaloric effect of Ni–Mn–In metamagnetic shape memory alloys
JP6795995B2 (ja) 軟磁性扁平粉末
CN103794321A (zh) 一种涂料用镨铁硼永磁材料及制备方法
RU2321913C2 (ru) Способ получения редкоземельных постоянных магнитов
CN106282849B (zh) 一种非晶复合结构钢
Prendota et al. Influence of Carbon Addition to Fe‐Mn‐Si Type Alloy on the Structure and Shape Memory Effect
Qin et al. Effects of yttrium on the microstructure, texture, and magnetic properties of non-oriented 6.5 wt% Si steel sheets by a rolling process
CN110079748B (zh) 一种高强韧无磁非晶复合结构钢
Jia et al. Microstructure and mechanical properties of nonmagnetic Fe-25Mn-xCu-C steels by super solidus liquid phase sintering
CN109972056B (zh) 一种铈变质耐磨合金及其铸造方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant