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Method for discriminating ancient cast iron and block ironmaking products

A discrimination method and product technology, applied in measuring devices, instruments, scientific instruments, etc., can solve problems such as insufficient support, inaccuracy, and single identification dimension, and achieve the effect of large-scale promotion and application.

Active Publication Date: 2021-06-18
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

[0008] The technical problem solved by the present invention is that the existing methods for discriminating ancient cast iron and block iron-making products are not accurate, and there are defects such as single identification dimension, fuzzy process definition, and insufficient relevant evidence to support a specific process judgment

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Embodiment Construction

[0045] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail in conjunction with specific embodiments.

[0046] The invention provides a method for discriminating ancient cast iron and block ironwork products, the discrimination method includes two parts: metallographic analysis and non-metallic inclusion analysis of ancient cast iron and block ironwork products;

[0047] Among them: metallographic analysis is aimed at distinguishing the difference between the room temperature equilibrium structure of ancient cast iron and block iron-making products, and the analysis of non-metallic inclusions is aimed at the quantity, composition and shape of non-metallic inclusions in ancient cast iron and block iron-making products and distribution, each parameter is judged as a parallel relationship.

[0048] In particular, the ancient cast iron products include cast iron and its soli...

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Abstract

The embodiment of the invention discloses a method for discriminating ancient cast iron and block ironmaking products, and belongs to the technical field of methods for discriminating ancient steel products. The method comprises two parts of metallographic analysis and non-metallic inclusion analysis of ancient cast iron and block ironmaking products. Wherein the metallographic analysis is used for distinguishing according to different room-temperature equilibrium structures of the ancient cast iron and the block ironmaking product, and the non-metallic inclusion analysis is used for the quantity, composition, morphology and distribution of non-metallic inclusions of the ancient cast iron and the block ironmaking product. Through collaborative analysis of alloy phase structures and inclusions, the method for accurately distinguishing ancient cast iron and block ironmaking products is obtained, and large-scale popularization and application are facilitated.

Description

technical field [0001] The invention belongs to the technical field of discrimination methods for ancient iron and steel products, and in particular relates to a discrimination method for ancient cast iron and block ironmaking products based on the characteristics of inclusions. Background technique [0002] From ancient times to the present, the production and circulation of iron have played an important role in the development and progress of human history. After long-term research, the development context of ancient iron-smelting and steel-making technology has been initially formed, but there is still a gap in the judgment method of the specific smelting and processing technology. The historical records related to iron and steel production are very limited. Therefore, in addition to further excavating the relevant information in ancient books, scientific analysis of the relics unearthed (or out of water) in archaeological excavations is an important means of understandin...

Claims

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Application Information

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IPC IPC(8): G01N23/2251G01N23/2202
CPCG01N23/2202G01N23/2251
Inventor 潜伟张周瑜卢欣彤乔尚孝
Owner UNIV OF SCI & TECH BEIJING
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