Influence of Compositionally Graded Interface on Microstructure and Compressive Deformation of 316L Stainless Steel to Al12Si Aluminum Alloy Bimetallic Structures

材料科学 金属间化合物 双金属片 压痕硬度 微观结构 合金 羊奶 复合材料 冶金 金属
作者
Yanning Zhang,Amit Bandyopadhyay
出处
期刊:ACS Applied Materials & Interfaces [American Chemical Society]
卷期号:13 (7): 9174-9185 被引量:26
标识
DOI:10.1021/acsami.0c21478
摘要

Bimetallic structures offer properties that can be customized based on applications, manufactured in one operation. Such manufacturing options are fascinating, as joining two metallic materials, especially for two dissimilar metals without significant defects, is challenging. In this study, 316L stainless steel (SS) to Al12Si aluminum alloy structures were processed, tailoring the compositionally graded interface on a SS 316 substrate using a directed energy deposition (DED)-based additive manufacturing (AM) process. Applying such a compositionally graded transition for joining two dissimilar metals could mitigate the mismatch of mechanical and thermal properties. This study's objective was to understand the processing parameters that influence the properties of AM processed SS 316L to Al12Si bimetallic structures. Two different approaches were used to fabricate these bimetallic structures. The results showed no visible defects on the as-fabricated samples using four layers of Al-rich mixed composition as the transition section. The microstructural characterization showed a unique morphology in each section. The microstructural variation was caused due to various processing parameters such as laser power, powder feed rate, and laser scan speed. FeAl, Fe2Al5, and FeAl3 intermetallic phases were formed at the compositionally graded transition section. After stress relief heat treatment of the bimetallic samples, diffused intermetallic phases were seen at the compositionally graded transition. At the interface, as processed bimetallic structures had a microhardness value of 834.2 ± 107.1 HV0.1, which was a result of the FeAl3 phase at the compositionally graded transition area. After heat treatment, the microhardness value reduced to 578.7 ± 154.1 HV0.1 because of a more Fe-dominated FexAly phase formation. Compression test results showed that the non-HT and HT SS 316L/Al12Si bimetallic structures had a similar maximum compressive strength of 299.4 ± 22.1 MPa and 270.1 ± 27.1 MPa, respectively. These results demonstrated that the applied heat treatment conditions only had a minor impact on samples' compression strength.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
颜云尔发布了新的文献求助10
1秒前
天天快乐应助tay采纳,获得10
2秒前
chen发布了新的文献求助10
3秒前
酷波er应助girl采纳,获得10
3秒前
3秒前
4秒前
猫南北完成签到,获得积分10
4秒前
江恋完成签到,获得积分10
7秒前
GGBOND发布了新的文献求助10
10秒前
12秒前
hhhblabla应助yyyyyyy111采纳,获得10
14秒前
哈哈发布了新的文献求助10
15秒前
20秒前
22秒前
背后初南完成签到,获得积分10
23秒前
神勇馒头完成签到,获得积分10
23秒前
GGBOND发布了新的文献求助10
24秒前
24秒前
25秒前
以戈完成签到,获得积分10
27秒前
29秒前
泡泡脑瓜发布了新的文献求助10
30秒前
358489228完成签到,获得积分10
30秒前
31秒前
xww发布了新的文献求助10
33秒前
34秒前
神勇馒头发布了新的文献求助10
37秒前
37秒前
chen完成签到,获得积分10
39秒前
cindywu发布了新的文献求助10
39秒前
贰叁发布了新的文献求助10
40秒前
41秒前
量子星尘发布了新的文献求助10
42秒前
43秒前
Lu发布了新的文献求助10
45秒前
46秒前
泡泡脑瓜关注了科研通微信公众号
47秒前
丫丫丫完成签到,获得积分20
48秒前
无花果应助GGBOND采纳,获得10
48秒前
跳跃盼波完成签到,获得积分10
50秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989115
求助须知:如何正确求助?哪些是违规求助? 3531367
关于积分的说明 11253688
捐赠科研通 3269986
什么是DOI,文献DOI怎么找? 1804868
邀请新用户注册赠送积分活动 882078
科研通“疑难数据库(出版商)”最低求助积分说明 809105