The Effects of Unit Cell Arrangement and Hybrid Design on the Compressive Performances of Additive Manufactured Corrax Maraging Stainless Steel Lattices.

Ming-Hsiang Ku, Shou-Wun Chen, Cheng-Da Wu, Yan-Ting Liu, Quiao-En Lin, Chien-Lun Li, Ming-Wei Wu

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Article in Materials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Ming-Hsiang KuDepartment of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhong-Xiao E. Rd., Taipei 10608, Taiwan.ORCID 0000-0002-4111-1482

Shou-Wun ChenDepartment of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhong-Xiao E. Rd., Taipei 10608, Taiwan.

Cheng-Da WuDepartment of Mechanical Engineering, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan 32023, Taiwan.

Yan-Ting LiuDepartment of Mechanical Engineering, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan 32023, Taiwan.

Quiao-En LinDepartment of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhong-Xiao E. Rd., Taipei 10608, Taiwan.

Chien-Lun Livoestalpine Technology Institute (Asia) Co., Ltd., Rm. B105, No. 2, Wenxian Rd., Nantou 54041, Taiwan.ORCID 0000-0002-7275-8035

Ming-Wei WuDepartment of Materials and Mineral Resources Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhong-Xiao E. Rd., Taipei 10608, Taiwan.ORCID 0000-0001-8873-7960

Funding

National Science and Technology Council, Taiwan Grant No. NSTC 113-2221-E-027-021

6 · The paper itself

Abstract

Selective laser melting (SLM) enables the production of complexly shaped metals with programmable mechanical responses, yet most lattice studies still rely on a single unit cell and a simple columnar build, severely restricting performance improvements. Here, we examine how combining distinct unit cells and rearranging them within the build volume affects the compressive behavior of SLM Corrax maraging stainless steel lattice structures. Three designs are additively manufactured as follows: a columnar cubic-FCCZ lattice, an alternating cubic and FCCZ lattice, and a hybrid lattice (cubic+FCCZ unit cell). In situ 2D digital image correlation (DIC) and finite element analysis (FEA) are used to resolve full-field strain evolution and failure modes under quasi-static compression. The hybrid lattice achieves the highest first maximum compressive strength (418 ± 5.78 MPa) and energy absorption (128.5 ± 6.83 MJ/m

Indexed as

compressive behaviorcorrax maraging stainless steellattice structureselective laser meltingspecific energy absorption

Identifiers

PMID41095269

DOI10.3390/ma18194443

PMCPMC12525162

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.