阅读说明：本技术 一种提高材料课程教学的3d打印多元相图建立方法 (3D printing multi-element phase diagram establishing method for improving material course teaching ) 是由 杨鑫 张兆洋 王犇 马文君 王婉琳 刘刚 于 2020-05-22 设计创作，主要内容包括：本发明公开了一种提高材料课程教学的3D打印多元相图建立方法,首先对所需三元相图进行分析,然后进行三维建模局部相区；最后建立的模型,采用3D技术进行成形后进行组装；本发明提供的多元相图建立方法,解决在材料相图教学中难以形象表达多元相图的立体空间分布的问题,直观高效展示给学生,为课堂教学注入新活力,帮助学生直观了解多元复杂相图,提高教学质量。(The invention discloses a 3D printing multi-element phase diagram establishing method for improving material course teaching, which comprises the steps of firstly analyzing a required ternary phase diagram, and then carrying out three-dimensional modeling on a local phase region; the finally established model is assembled after being formed by adopting a 3D technology; the method for establishing the multiple phase diagram solves the problem that the three-dimensional space distribution of the multiple phase diagram is difficult to express visually in the material phase diagram teaching, is visually and efficiently displayed for students, injects new vitality for classroom teaching, helps the students to visually know the multiple complex phase diagram, and improves the teaching quality.)

1. A3D printing multi-element phase diagram establishing method for improving material course teaching is characterized by comprising the following steps:

step 1, firstly analyzing a required ternary phase diagram, and then carrying out three-dimensional modeling on a local phase region;

and 2, assembling the model established in the step 1 after forming by adopting a 3D technology.

2. The method for building the 3D printing multi-element phase diagram for improving the teaching of the material course as claimed in claim 1, wherein the specific process of the analysis of the ternary phase diagram in the step 1 is as follows:

firstly, analyzing a multi-element phase diagram, determining the specific distribution of a single-phase region, a two-phase region and a three-phase region, the micro crystal structure and the distribution of a solid-liquid transformation line, establishing model filling of the phase regions according to the micro crystal structure of the phase regions, then establishing a three-dimensional solid model, and then carrying out layered slicing on the established three-dimensional solid model by using slicing software to obtain layered information at different heights.

3. The method as claimed in claim 2, wherein the process of building the three-dimensional solid model specifically comprises: each phase region needs to be modeled independently, and the filling of the phase diagram model adopts the structure of a micro crystal for macroscopic filling.

4. The method for building the 3D printing multi-element phase diagram for improving the material course teaching as claimed in claim 2, wherein the building of the three-dimensional solid model adopts Solidworks software, Pro/Engineer software or Unigraphic software.

5. The method for establishing the 3D printing multi-element phase diagram for improving the material course teaching as claimed in claim 2, wherein the specific content of the step 2 is as follows: inputting the information of the slice layering obtained in the step 1 into a color 3D printer, printing and forming the model designed in the step 1, adopting different colors for different phase regions, and finally assembling.

6. The method as claimed in claim 5, wherein the 3D printer uses color resin as raw material to distinguish different phase regions.

Technical Field

The invention belongs to the technical field of multiple phase diagrams in material science and engineering, and particularly relates to a 3D printing multiple phase diagram establishing method for improving material course teaching.

Background

The country advocates vigorously to train innovative and craftsman's type talent, and colleges and universities specialty course teaching is as the teaching activity of student most direct contact, and the theory of course is comparatively complicated a bit, and traditional teaching mode lets the student be difficult to fully master the professional theoretical basis of consolidating, if: teaching material science and engineering profession. In the subject of materials, the analysis of mastered phase diagrams has become an indispensable professional literacy for students, most students can only master the analysis of binary phase diagrams, and the analysis of ternary and higher phase diagrams is difficult to be performed. The method has a direct relation with the course teaching mode, the complex phase diagram of the three-dimensional space is difficult to express visually in the teaching, and students lack the space imagination capability, so that the professional theory of the material professional undergraduates is insufficient. Therefore, the 3D printing detachable three-dimensional multi-element phase diagram teaching aid model is introduced to serve as an innovative and open teaching course reform, good supplement can be provided for multi-element phase diagram teaching contents of material subjects, cross-subject course practice is improved, and new vitality is injected for classroom teaching.

Disclosure of Invention

The invention aims to provide a 3D printing multi-element phase diagram establishing method for improving material course teaching.

The technical scheme adopted by the invention is that the 3D printing multi-element phase diagram establishing method for improving the material course teaching is implemented according to the following steps:

step 1, firstly, analyzing a required ternary phase diagram, and three-dimensionally modeling a local phase region;

and 2, assembling the model established in the step 1 after forming by adopting a 3D technology.

The invention is also characterized in that:

the specific process of analyzing the ternary phase diagram in the step 1 is as follows:

firstly, analyzing a multi-element phase diagram, determining the specific distribution of a single-phase region, a two-phase region and a three-phase region, the micro crystal structure and the distribution of a solid-liquid transformation line, establishing model filling of the phase regions according to the micro crystal structure of the phase regions, then establishing a three-dimensional solid model, and then performing layered slicing on the established three-dimensional solid model by using slicing software to obtain layered information at different heights;

the process of establishing the three-dimensional solid model specifically comprises the following steps: each phase region needs to be modeled independently, and the filling of the phase diagram model adopts the structure of a micro crystal to carry out macroscopic filling;

wherein the three-dimensional solid model is established by Solidworks software, Pro/Engineer software or Unigraphic software;

the specific content of the step 2 is as follows: inputting the information of the slice layering obtained in the step 1 into a color 3D printer, printing and forming the model designed in the step 1, adopting different colors for different phase regions, and finally assembling;

the 3D printer adopts color resin as a raw material and is used for distinguishing different phase regions.

The invention has the beneficial effects that:

the invention relates to a 3D printing multivariate phase diagram establishing method for improving material course teaching, which starts from three-dimensional model design, fills a model of a phase region according to the crystal structure of the phase region, presents a multivariate phase diagram teaching aid in multicolor, injects new vitality into classroom teaching, helps students to intuitively know multivariate complex phase diagrams, and improves teaching quality.

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

The invention provides a 3D printing multi-element phase diagram establishing method for improving material course teaching, which is implemented by the following steps:

step 1, firstly, analyzing a multi-element phase diagram, determining specific distribution of a single-phase region, a two-phase region and a three-phase region, a micro crystal structure and distribution of a solid-liquid transformation line, establishing model filling of the phase regions according to the micro crystal structure of the phase regions, establishing a three-dimensional solid model by adopting Solidworks software, Pro/Engineer software or Unigraphic software, and then carrying out layered slicing on the three-dimensional solid model by utilizing slicing software to obtain layered information at different heights;

the crystal structure of the single-phase region can present different crystal structures according to the change of temperature, namely, the transition of a macro-scale lattice model structure can be established according to the transition of a micro-crystal structure;

wherein, the models of different phase regions need to be established independently, and the independent models can be spliced together according to the specific positions of the internal distribution of the phase diagram to form a multi-element phase diagram;

and 2, inputting the information of slicing and layering the plurality of independent models with the complex structures established in the step 1 into a color 3D printer, printing and forming the models designed in the step 1 by using color resin as a raw material, adopting different colors for different phase regions, and finally assembling.

The 3D printing equipment adopts a full-color 3D printer of Stratasys company, and can load 7 materials simultaneously to produce various textures or transparent effects, so that the multi-element photo teaching aid is more vivid;

the 3D printing multi-element phase diagram teaching aid for improving material course teaching is explained from the model design and forming process of the phase diagram teaching aid: the invention provides a multivariate phase diagram teaching aid formed by a 3D printing technology, a model of a phase region is filled according to the crystal structure of the phase region, and the multivariate phase diagram teaching aid is multi-colored to present, so that new vitality is injected for classroom teaching, students are helped to intuitively know the multivariate complex phase diagram, and the teaching quality is improved.