WO2016179733A1 - Matériau d'alliage intermédiaire et son procédé de préparation - Google Patents

Matériau d'alliage intermédiaire et son procédé de préparation Download PDF

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Publication number
WO2016179733A1
WO2016179733A1 PCT/CN2015/000864 CN2015000864W WO2016179733A1 WO 2016179733 A1 WO2016179733 A1 WO 2016179733A1 CN 2015000864 W CN2015000864 W CN 2015000864W WO 2016179733 A1 WO2016179733 A1 WO 2016179733A1
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WO
WIPO (PCT)
Prior art keywords
alloy material
magnesium
rare earth
silicon carbide
red phosphorus
Prior art date
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Ceased
Application number
PCT/CN2015/000864
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English (en)
Chinese (zh)
Inventor
孙飞
赵勇
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.)
Suzhou Richmond Advanced Material Technology Transfer Co Ltd
Original Assignee
Suzhou Richmond Advanced Material Technology Transfer Co Ltd
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 Suzhou Richmond Advanced Material Technology Transfer Co Ltd filed Critical Suzhou Richmond Advanced Material Technology Transfer Co Ltd
Publication of WO2016179733A1 publication Critical patent/WO2016179733A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C23/00—Alloys based on magnesium

Definitions

  • the invention relates to an intermediate alloy material and a preparation method thereof, in particular to an intermediate alloy material for reinforcing the strength of a magnesium alloy material for automobile parts and a preparation method thereof.
  • Magnesium alloys are alloys based on magnesium and added to other elements. Its characteristics are: low density, good specific performance, good shock absorption performance, good electrical and thermal conductivity, good process performance, and the weight of magnesium is lighter than aluminum, the specific gravity is only 1.8, so it is in the aircraft, spacecraft and rocket missile manufacturing industry. The lightest metal construction material used. However, magnesium alloys have low strength, only 200 to 300 MPa, and are mainly used to manufacture low-load parts. Therefore, only by further improving the strength properties of magnesium alloys can the advantages of magnesium alloy materials be utilized in the automotive industry in a wider range.
  • the object of the present invention is to provide an intermediate alloy material for reinforcing the strength of a magnesium alloy material for an automobile part and a preparation method thereof by improving the composition of the intermediate alloy and the mass ratio between the components.
  • An intermediate alloy material consisting of the following components by weight: 87-91.5 wt% of magnesium, 8-12 wt% of red phosphorus, 0.05-0.5 wt% of silicon carbide, and 0.3-0.75 wt% of rare earth.
  • the master alloy material of the present invention is composed of the following components by weight: 87 wt% of magnesium, 12 wt% of red phosphorus, 0.5 wt% of silicon carbide, and 0.5 wt% of rare earth.
  • the master alloy material of the present invention is composed of the following components by weight: 91 wt% of magnesium, 8 wt% of red phosphorus, 0.1 wt% of silicon carbide, and 0.4 wt% of rare earth.
  • magnesium is a magnesium powder of 150-200 mesh.
  • the red phosphorus is a red phosphorus powder of 150-200 mesh.
  • the silicon carbide is silicon carbide particles having a particle diameter of more than 50 ⁇ m and less than 150 ⁇ m.
  • the rare earth is a rare earth having a lanthanum and cerium content of 50 to 60% by weight.
  • the invention provides a preparation method of an intermediate alloy material, which has the following steps:
  • the intermediate alloy material provided by the present invention comprises a magnesium alloy strengthening element, wherein the silicon element can form a strengthening phase Mg 2 Si with the magnesium element, thereby increasing the grain boundary strength, and further forming a stable silicide with other alloying elements in the alloy. Improve the creep properties of the alloy, thereby increasing the strength of the magnesium alloy; the rare earth element can also enhance the strength of the magnesium alloy by fine grain strengthening and solid solution strengthening.
  • These elements are added to the conventional magnesium alloy in the form of an intermediate alloy, which solves the problems of burning, high melting point alloys, and the like, thereby improving the strength of the magnesium alloy material while saving cost.
  • the intermediate alloy material provided by the invention is suitable for adding to the magnesium alloy material used in the automotive industry, and can effectively improve the strength of the final magnesium alloy material; and the original strength is increased from 200 to 300 MPa to 320 to 400 MPa.
  • the weight percentage of each component of the master alloy material of Example 1 of the present invention is: 87 wt% of magnesium, 12 wt% of red phosphorus, 0.5 wt% of silicon carbide, and 0.5 wt% of rare earth.
  • a method for preparing an intermediate alloy material according to Embodiment 1 of the present invention comprises the following steps:
  • the weight percentage of each component of the master alloy material of Example 2 of the present invention is: magnesium 91.5 wt%, red phosphorus 8 wt%, silicon carbide 0.1 wt%, and rare earth 0.4 wt%.
  • a method for preparing an intermediate alloy material according to Embodiment 2 of the present invention comprises the following steps:
  • the weight percentage of each component of the master alloy material of Example 3 of the present invention is: magnesium 90.5 wt%, red phosphorus 9 wt%, silicon carbide 0.3 wt%, and rare earth 0.2 wt%.
  • a method for preparing an intermediate alloy material according to Embodiment 3 of the present invention comprises the following steps:
  • the weight percentage of each component of the master alloy material of Example 4 of the present invention is: 89 wt% of magnesium, 10.2 wt% of red phosphorus, 0.05 wt% of silicon carbide, and 0.75 wt% of rare earth.
  • a method for preparing an intermediate alloy material according to Embodiment 4 of the present invention comprises the following steps:
  • the weight percentage of each component of the master alloy material of Example 5 of the present invention is: 90 wt% of magnesium, 9 wt% of red phosphorus, 0.4 wt% of silicon carbide, and 0.6 wt% of rare earth.
  • a method for preparing an intermediate alloy material according to Embodiment 5 of the present invention comprises the following steps:

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

La présente invention concerne un matériau d'alliage intermédiaire, constitué des constituants suivants en pourcentage en poids : de 87 à 91,5 % en poids de magnésium, de 8 à 12 % en poids de phosphore rouge, de 0,05 à 0,5 % en poids de carbure de silicium et de 0,3 à 0,75 % en poids de terres rares. Un procédé de préparation du matériau d'alliage intermédiaire comprend les étapes d'agitation, de séchage et de fusion sous vide. Le matériau d'alliage intermédiaire est destiné à être ajouté à des matériaux d'alliage de magnésium dans le domaine de l'industrie automobile, et améliore la robustesse finale d'un matériau d'alliage de magnésium de 320 à 400 MPa.
PCT/CN2015/000864 2015-05-12 2015-12-04 Matériau d'alliage intermédiaire et son procédé de préparation Ceased WO2016179733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510237232.3A CN104805343A (zh) 2015-05-12 2015-05-12 一种中间合金材料及其制备方法
CN201510237232.3 2015-05-12

Publications (1)

Publication Number Publication Date
WO2016179733A1 true WO2016179733A1 (fr) 2016-11-17

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CN (1) CN104805343A (fr)
WO (1) WO2016179733A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104805343A (zh) * 2015-05-12 2015-07-29 苏州列治埃盟新材料技术转移有限公司 一种中间合金材料及其制备方法
CN105506425B (zh) * 2015-10-30 2017-11-03 苏州天兼新材料科技有限公司 一种镁合金及其制备方法
CN105220043A (zh) * 2015-10-30 2016-01-06 苏州列治埃盟新材料技术转移有限公司 一种多掺杂中间合金材料及其制备方法
CN105256190A (zh) * 2015-10-30 2016-01-20 苏州列治埃盟新材料技术转移有限公司 一种多掺杂中间合金材料及其制备方法
CN105200291A (zh) * 2015-11-02 2015-12-30 苏州金仓合金新材料有限公司 一种用于增强结构件用镁合金性能的新型中间合金及其制备方法
CN105441704A (zh) * 2015-11-02 2016-03-30 苏州金仓合金新材料有限公司 一种用于航空航天结构件用镁合金性能的新型中间合金及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069680A1 (fr) * 1981-04-15 1983-01-12 Aluminium Pechiney Procédé d'affinage du grain du silicium primaire des alliages aluminium-silicium hypereutectiques
CN102329998A (zh) * 2011-09-07 2012-01-25 山东大学 一种铝-镁-磷中间合金及其制备方法
CN103436757A (zh) * 2013-08-06 2013-12-11 沈阳工业大学 镁－磷中间合金及其制备方法
CN104805343A (zh) * 2015-05-12 2015-07-29 苏州列治埃盟新材料技术转移有限公司 一种中间合金材料及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069680A1 (fr) * 1981-04-15 1983-01-12 Aluminium Pechiney Procédé d'affinage du grain du silicium primaire des alliages aluminium-silicium hypereutectiques
CN102329998A (zh) * 2011-09-07 2012-01-25 山东大学 一种铝-镁-磷中间合金及其制备方法
CN103436757A (zh) * 2013-08-06 2013-12-11 沈阳工业大学 镁－磷中间合金及其制备方法
CN104805343A (zh) * 2015-05-12 2015-07-29 苏州列治埃盟新材料技术转移有限公司 一种中间合金材料及其制备方法

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