MATERIAL COMPOSITION ANALYZING METHOD AND ANALYZING SYSTEM

• Main Authors: YAMAMOTO HIROYUKI, TOKIDA RURIKO
• Format: Patent
• Language: English; Japanese
• Published: 19.12.2019
• Subjects: BASIC ELECTRIC ELEMENTS; CALCULATING; COMPUTING; COUNTING; ELECTRICITY; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; INDUCTANCES; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MAGNETS; MEASURING; PHYSICS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TESTING; TRANSFORMERS

To digitize more complicated composition features including a main phase, a grain boundary phase, and a triple-point grain boundary phase, from a cross-sectional image of a material.SOLUTION: An information processing apparatus carries out an image inputting process for employing, as an input image, an image of a cross section of a material including a main phase as a crystal grain and a grain boundary phase sandwiched by main phases, an image processing process for generating, from the input image, a main phase image indicating a main phase, a grain boundary phase image indicating a grain boundary phase with a solid line, and an image of a triple-point grain boundary phase indicating the triple-point grain boundary phase as a part of a grain phase with a region, a main phase analysis process for analyzing a component feature of each main phase in the main phase image to generate a main phase database, a grain boundary phase analysis process for analyzing a component feature of each grain boundary phase to generate a grain boundary phase database, a triple-point grain boundary phase analysis process for analyzing a component feature of each triple-point grain boundary phase to generate a triple-point grain boundary phase database, and an adjacent relation analysis process for an adjacent relation database indicating a positional relationship among the main phase, the grain boundary phase, and the triple-point grain boundary phase.SELECTED DRAWING: Figure 2A 【課題】試料の断面画像から、主相、粒界相、三重点粒界相の隣接関係を含めた、より複雑な組織特徴を数値化する。【解決手段】情報処理装置によって、結晶粒子である主相と、主相と主相とに挟まれた粒界相を含む試料断面の画像を入力画像とする画像入力工程を行ない、入力画像から主相を領域で示した主相画像と、粒界相を線で示した粒界相画像と、粒界相の一部である三重点粒界相を領域で示した三重点粒界相画像を生成する画像処理工程を行ない、主相画像の各主相の組織特徴を解析し、主相データベースを生成する主相解析工程を行い、粒界相画像の各粒界相の組織特徴を解析し、粒界相データベースを生成する粒界相解析工程を行い、三重点粒界相画像の各三重点粒界相の組織特徴を解析し、三重点粒界相データベースを生成する三重点粒界相解析工程を行い、主相と粒界相と三重点粒界相の位置関係を表す隣接関係データベースを生成する隣接関係解析工程を行う。【選択図】図２Ａ