{"id":1385,"date":"2026-06-24T18:37:26","date_gmt":"2026-06-24T10:37:26","guid":{"rendered":"https:\/\/www.noppze.com\/zh\/?p=1385"},"modified":"2026-06-24T18:37:28","modified_gmt":"2026-06-24T10:37:28","slug":"","status":"publish","type":"post","link":"https:\/\/www.noppze.com\/ja\/1385","title":{"rendered":"","raw":""},"content":{"rendered":"","protected":false,"raw":""},"excerpt":{"rendered":"","protected":false,"raw":""},"author":1,"featured_media":1387,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_zh_post_content":"\n

There are six points about Comparison of Semi-Solid Magnesium Alloy Processing and Conventional Magnesium Alloy Processing.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

I. Comparison of Forming Processes<\/p>\n\n\n\n

    \n
  1. Process Flow
    o Conventional magnesium alloy die casting: Direct die casting of liquid metal
    o Semi-solid magnesium alloy forming: Thixoforming\/rheoforming of metal slurry (solid-liquid two-phase)<\/li>\n\n\n\n
  2. Melt Temperature
    o Conventional magnesium alloy die casting: 650\u2013680\u00b0C (fully liquid)
    o Semi-solid magnesium alloy forming: 580\u2013620\u00b0C (solid fraction: 40\u201360%)<\/li>\n\n\n\n
  3. Injection Speed
    o Conventional magnesium alloy die casting: 30\u201360 m\/s (high-speed filling)
    o Semi-solid magnesium alloy forming: 0.5\u20135 m\/s (low-speed laminar filling)<\/li>\n\n\n\n
  4. Die Temperature
    o Conventional magnesium alloy die casting: 200\u2013250\u00b0C
    o Semi-solid magnesium alloy forming: 150\u2013200\u00b0C<\/li>\n\n\n\n
  5. Forming Pressure
    o Conventional magnesium alloy die casting: 40\u2013100 MPa
    o Semi-solid magnesium alloy forming: 10\u201350 MPa<\/li>\n\n\n\n
  6. Key Equipment
    o Conventional magnesium alloy die casting: Standard die casting machine
    o Semi-solid magnesium alloy forming: Specialized semi-solid forming machine (equipped with slurry preparation system)<\/li>\n\n\n\n
  7. Process Advantages
    o Semi-solid process: Reduced gas entrapment defects (porosity <1% vs. 3\u20135% for conventional); 30% longer die life
    o Conventional die casting: Shorter production cycle (20 seconds\/part vs. 30\u201350 seconds\/part for semi-solid)<\/li>\n<\/ol>\n\n\n\n

    Please also review the below HPDC (high pressure die casting) video and get more information you will need : <\/p>\n\n\n\n

    \nhttps:\/\/youtu.be\/NkeQYbq2BXI\n<\/div><\/figure>\n\n\n\n

    <\/p>\n\n\n\n

    More video of Semii-Solid Thixomolding :<\/p>\n\n\n\n

    \nhttps:\/\/youtu.be\/S5m-4ZKFXVM\n<\/div><\/figure>\n\n\n\n

    <\/p>\n\n\n\n

    II. Comparison of Material Properties<\/p>\n\n\n\n

      \n
    1. Tensile Strength
      o Conventional magnesium alloy (AZ91D): 230\u2013250 MPa
      o Semi-solid magnesium alloy (AZ91D-SS): 260\u2013300 MPa<\/li>\n\n\n\n
    2. Elongation
      o Conventional magnesium alloy (AZ91D): 3\u20135%
      o Semi-solid magnesium alloy (AZ91D-SS): 8\u201312%<\/li>\n\n\n\n
    3. Fatigue Strength (10\u2077 cycles)
      o Conventional magnesium alloy (AZ91D): 80\u201390 MPa
      o Semi-solid magnesium alloy (AZ91D-SS): 110\u2013130 MPa<\/li>\n\n\n\n
    4. Corrosion Resistance (Salt Spray Test)
      o Conventional magnesium alloy (AZ91D): Corrosion appears after 48 hours
      o Semi-solid magnesium alloy (AZ91D-SS): No significant corrosion after 120 hours<\/li>\n\n\n\n
    5. High-Temperature Strength (150\u00b0C)
      o Conventional magnesium alloy (AZ91D): 35% reduction
      o Semi-solid magnesium alloy (AZ91D-SS): 15% reduction<\/li>\n\n\n\n
    6. Surface Roughness (Ra)
      o Conventional magnesium alloy (AZ91D): 1.6\u20133.2 \u03bcm
      o Semi-solid magnesium alloy (AZ91D-SS): 0.8\u20131.6 \u03bcm<\/li>\n\n\n\n
    7. Mechanism of Property Improvement
      o Semi-solid forming utilizes a non-dendritic microstructure (globular grains) to achieve grain refinement, reduce porosity, and control oxide inclusions.<\/li>\n<\/ol>\n\n\n\n

      <\/p>\n\n\n\n

      III. Production Cost Comparison<\/p>\n\n\n\n

        \n
      1. Raw Material Costs
        o Traditional Die Casting: Low (direct melting)
        o Semi-solid Forming: High (requires slurry preparation equipment; 15% higher energy consumption)<\/li>\n\n\n\n
      2. Equipment Investment
        o Traditional Die Casting: 5\u20138 million RMB (3,000-ton die-casting machine)
        o Semi-solid Forming: 12\u201320 million RMB (specialized semi-solid system)<\/li>\n\n\n\n
      3. Mold Wear\/Lifespan
        o Traditional Die Casting: 80,000\u2013100,000 cycles
        o Semi-solid Forming: 120,000\u2013150,000 cycles<\/li>\n\n\n\n
      4. Yield Rate
        o Traditional Die Casting: 85\u201390%
        o Semi-solid Forming: 95\u201398%<\/li>\n\n\n\n
      5. Post-processing Costs
        o Traditional Die Casting: High (requires deburring, repair welding)
        o Semi-solid Forming: Low (near-net-shape forming)<\/li>\n\n\n\n
      6. Economic Break-even Point
        o Traditional Process: Suitable for high-volume, simple parts (>100,000 units\/year)
        o Semi-solid Forming: High-value-added precision parts (aerospace, medical devices)<\/li>\n<\/ol>\n\n\n\n

        <\/p>\n\n\n\n

        IV. Differences in Typical Applications<\/p>\n\n\n\n

          \n
        1. Automotive Sector
          o Traditional magnesium alloy applications: Structural bracket components
          o Semi-solid magnesium alloy applications: Engine mounting brackets, turbocharger housings<\/li>\n\n\n\n
        2. 3C Electronics Sector
          o Traditional magnesium alloy applications: Standard casings
          o Semi-solid magnesium alloy applications: Ultra-thin foldable screen hinges (0.3 mm thickness)<\/li>\n\n\n\n
        3. Aerospace Sector
          o Traditional magnesium alloy applications: Non-load-bearing components
          o Semi-solid magnesium alloy applications: Landing gear doors, precision housings for flight control systems<\/li>\n\n\n\n
        4. Medical Device Sector
          o Traditional magnesium alloy applications: Equipment casings
          o Semi-solid magnesium alloy applications: Orthopedic implants, minimally invasive surgical instruments<\/li>\n<\/ol>\n\n\n\n

          <\/p>\n\n\n\n

          V. Comparison of Technical Bottlenecks<\/p>\n\n\n\n

            \n
          1. Material Limitations
            o Conventional Die Casting: Poor high-temperature performance; prone to corrosion
            o Semi-solid Forming: Difficulty in controlling raw material slurry stability (requirement of \u00b12\u00b0C)<\/li>\n\n\n\n
          2. Process Control
            o Conventional Die Casting: Defects such as gas entrapment and shrinkage porosity
            o Semi-solid Forming: Insufficient precision in real-time monitoring of solid fraction<\/li>\n\n\n\n
          3. Environmental Issues
            o Conventional Die Casting: Use of SF6 greenhouse gas
            o Semi-solid Forming: High cost of nitrogen shielding during the slurry preparation process<\/li>\n\n\n\n
          4. Standardization
            o Conventional Die Casting: Mature (comprehensive ASTM\/GB standards)
            o Semi-solid Forming: Lack of unified process specifications<\/li>\n<\/ol>\n\n\n\n

            <\/p>\n\n\n\n

            VI. Future Development Trends<\/p>\n\n\n\n

              \n
            1. Hybrid Process Innovation
              o Semi-solid + Squeeze Casting: Enhances performance of thick-walled parts (wall thickness >15mm)
              o Semi-solid + 3D Printing: Enables forming of functionally graded materials<\/li>\n\n\n\n
            2. Low-Cost Slurry Preparation Technology
              o Mechanical stirring replacing electromagnetic stirring (40% cost reduction)
              o Development of novel thixotropic agents (reducing slurry preparation time to under 5 minutes)<\/li>\n\n\n\n
            3. Intelligent Control
              o Machine vision-based online solid fraction monitoring
              o Digital twin-based process optimization systems
              Summary and Recommendations
              \u2022 Prioritize semi-solid processing for: High-precision complex parts, fatigue-resistant critical components, and thin-walled precision parts
              \u2022 Retain traditional processes for: Low-cost mass production and structural components with moderate performance requirements
              \u2022 As the localization of semi-solid processing equipment accelerates, costs are decreasing at an average annual rate of 7%; large-scale replacement of traditional processes in the automotive sector is projected by 2030.<\/li>\n<\/ol>\n","_zh_post_name":"comparison-of-semi-solid-magnesium-alloy-processing-and-conventional-magnesium-alloy-processing","_zh_post_excerpt":"","_zh_post_title":"Comparison of Semi-Solid Magnesium Alloy Processing and Conventional Magnesium Alloy Processing","_en_post_content":"","_en_post_name":"","_en_post_excerpt":"","_en_post_title":"","_es_post_content":"","_es_post_name":"","_es_post_excerpt":"","_es_post_title":"","_deutsch_post_content":"","_deutsch_post_name":"","_deutsch_post_excerpt":"","_deutsch_post_title":"","_ru_post_content":"","_ru_post_name":"","_ru_post_excerpt":"","_ru_post_title":"","_ja_post_content":"","_ja_post_name":"","_ja_post_excerpt":"","_ja_post_title":"","edit_language":"ja","footnotes":""},"categories":[14,16],"tags":[],"class_list":["post-1385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-14","category-16"],"_links":{"self":[{"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/posts\/1385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/comments?post=1385"}],"version-history":[{"count":1,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/posts\/1385\/revisions"}],"predecessor-version":[{"id":1388,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/posts\/1385\/revisions\/1388"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/media\/1387"}],"wp:attachment":[{"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/media?parent=1385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/categories?post=1385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.noppze.com\/ja\/wp-json\/wp\/v2\/tags?post=1385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}