在热加工工具钢的大电流密度低温渗硼方面取得了前所未有的成果

IF 6.1 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2025-09-22 DOI:10.1016/j.surfcoat.2025.132726

J.L. Rosales-Lopez , M. Olivares-Luna , L.E. Castillo-Vela , K.D. Chaparro-Pérez , I. Campos-Silva

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引用次数: 0

摘要

本研究严格检验了脉冲直流粉末包渗硼（PDCPB）在高电流密度（~ 952 mA cm−2）下显著降低温度（873 K - 973 K）和短曝光时间（1800 s - 3600 s）下在AISI H13钢上产生硼化物层的潜力。在AISI H13上获得类似结果的传统工艺要求温度高于1173 K，曝光时间超过14,400 s。SEM-EDS、XRD等分析结果证实，在873 K温度下形成了均匀致密的双相（8 μm ~ 17 μm） FeB + Fe2B层，同时保持了α基体的微观结构，无α′相变和扩散区。这表明接近803 K的渗硼是可行的，这代表了表面工程的重大进步。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Unprecedented results on the high current density-low temperature boriding of hot work tool steels

查看原文本刊更多论文

Unprecedented results on the high current density-low temperature boriding of hot work tool steels

This study rigorously examines the potential of Pulsed DC Powder-Pack Boriding (PDCPB) to produce boride layers on AISI H13 steel at significantly reduced temperatures (873 K – 973 K) and short exposure times (1800 s – 3600 s), under high current densities (∼952 mA cm⁻²). Traditional processes for similar results on AISI H13 require temperatures above 1173 K and exposure times exceeding 14,400 s.

Microstructural and physicochemical analyses (SEM-EDS, XRD) confirm the formation of uniform, dense, dual-phase FeB + Fe₂B layers (8 μm – 17 μm) at 873 K, while preserving the α substrate microstructure without α’ transformation or diffusion zones. This suggest the feasibility of boriding closer to 803 K, representing a significant advancement in surface engineering.

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.