CN

周丹

Associate professor

Supervisor of Master's Candidates

Date of Employment:2004-04-01

School/Department:机械制造工程系

Administrative Position:制造工程系党支部书记

Education Level:Postgraduate (Doctoral)

Business Address:机械楼609东

Gender:Female

Degree:Doctoral degree

Status:Employed

Alma Mater:合肥工业大学

Discipline:Mechanical Design and Theory
Mechatronic Engineering
Other specialties in Mechanical Engineering
Mechanical Manufacture and Automation

Paper Publications

ZL101A 合金 TIG 修复色差及组织性能间的相关性研究

Release time:2024-03-07 Hits:

DOI number:10.3901/JME.2023.07.398

Journal:机械工程学报

Key Words:再制造;铝合金;TIG 修复;表面色差;拉伸强度

Abstract:ZL101A 合金 TIG 再制造修复过程中,修复部位常因不同于母材的材料组织而产生色差,影响被修复对象的力学性能、美观程度与潜在消费者的接受意愿。本研究在焊丝与母材材料成分相同的情况下,通过不同焊接电流、预热时间、焊接速度的参数正交组合,获得了 16 种具有不同力学性能和修复色差的修复试样。检测发现修复部位深色析出相的种类、尺寸大小、密度决定了修复色差的大小,且小色差试样的力学性能也相对较好。对试样的修复色差与拉伸强度数据进行回归拟合,发现三次曲线函数的吻合程度最高,决定系数达到 0.955。最后,通过一组单变量 TIG 修复实验验证了该三次曲线的合理性。

Indexed by:Journal paper

Discipline:Engineering

Document Type:J

Volume:59

Issue:7

Page Number:398-406

Translation or Not:no

Date of Publication:2023-04-20

Included Journals:EI

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