A Discrimination Method of Ancient Cast Iron and Block Iron Products

A discrimination method and technology for products, applied in instruments, measuring devices, scientific instruments, etc., can solve the problems of insufficient supporting basis, single identification dimension, inaccuracy, etc., and achieve the effect of large-scale promotion and application.

Active Publication Date: 2021-10-01
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

Method used

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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 iron products, which belongs to the technical field of discriminating methods for ancient iron and steel products. The discrimination method includes two parts: metallographic analysis of ancient cast iron and block iron-making products and non-metallic inclusion analysis; wherein: metallographic analysis is aimed at distinguishing the difference in room temperature equilibrium structure of ancient cast iron and block iron-making products, not Metal inclusion analysis is aimed at the quantity, composition, morphology and distribution of non-metallic inclusions in ancient cast iron and block ironworks. The present invention obtains a method for accurately discriminating ancient cast iron and lump iron-making products through synergistic analysis of alloy phase structure and inclusions, which is beneficial to large-scale popularization and application.

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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Patent Type & Authority Patents(China)
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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