2004-2007年于四川大学攻读博士学位，师从陈云贵教授，2007年获得材料学博士学位。

主持的科研项目 1. Wei Gao and Hongmei Liu, Exceptionally ductile magnesium alloys, Marsden Funding, supported by the Royal Society of New Zealand, 09-UOA-076； 2010-2012 2．Wei Gao and Hongmei Liu , New Zealand FRST IIOF grant ,UoAX 0601；2006-2009 3．第一负责人，Ti(C、N)梯度复合材料的研制，山西省攻关项目 4．第二负责人，纳米磁性材料的研制，山西省攻关项目 5．主要参与人，高强高韧镁合金的研究，四川省重点攻关项目 6. 主要参与人，廉价耐热镁合金，四川省重点攻关项目

07年以来代表性论文： [1]Hongmei Liu and Wei Gao. Effects of Strontium Addition on Microstructure and Mechanical Properties of as-cast Mg-5wt%Sn Alloy，Journal of Alloys and Compounds, 504 (2010) 345-350 [2]Hongmei Liu , Yungui Chen, Yongbai Tang, et al. The microstructure and mechanical properties of permanent-mould cast Mg–5 wt%Sn–(0–2.6) wt%Di alloys, Materials Science and Engineering A 437 (2006) 348–355 [3]Hongmei Liu , Yungui Chen, Yongbai Tang, et al. The microstructure, tensile properties, and creep behavior of as-cast Mg–(1–10)% Sn alloys, Journal of Alloys and Compounds, 440 (2007) 122-126 [4]Hongmei Liu , Yungui Chen, Yongbai Tang, et al. Tensile and Indentation Creep Behavior of Mg-5%Sn and Mg-5% Sn-2%Di Alloys.Materials Science and Engineering A, 464(2007)124-128 [5]Hongmei Liu et al Microstructure and properties of Mg-10%Al-(0?3%)Di alloys , Journal of Rare Earths, 2006, 26:382-384 [6]Hongmei Liu , Yungui Chen, Yongbai Tang, et al..Microstructure and Mechanical Properties of Permanent-mould Cast Mg-Sn Alloys, ICSMA 14, 2006, Xi’an [7]刘红梅，陈云贵，唐永柏等.Zr 对Mg-5%Sn合金显微组织与力学性能的影响，稀有金属材料与工程,2006,35(12): 1912-1915 [8]刘红梅，陈云贵，唐永柏等刘红梅等. 铸态Mg-Sn二元合金的显微组织与力学性能.四川大学学报（工程科学版）, 2006(2): 90~95. [9]刘红梅，陈云贵，唐永柏等. Nd-Pr混合稀土对Mg93.64Al6C0.12B0.24合金显微组织与力学性能的影响. 中国稀土学报.23 (2006)236~239. [10]刘红梅，陈云贵，唐永柏等. Di对Mg-10wt%Al合金显微组织与力学性能的影响，特种铸造及有色合金，2006,26(10): 618-620 [11]刘红梅，陈云贵，唐永柏等..热处理对Mg-5wt%Sn合金组织与与显微硬度的影响，材料热处理学报, 2007 (2): 92-959 [12]刘红梅，陈云贵，唐永柏等.含碳、硼变质的Mg-Al合金的显微组织与力学性能 铸造, 55 (2006) 615-618 [13]Hongmei Liu , Yungui Chen, Yongbai Tang, et al.. Microstructure and Mechanical Properties of Permanent Cast Mg-Sn Alloys. Special issue of Materials Science and Engineering A [14]Hongmei Liu , Yungui Chen, Yongbai Tang, et al..Deming Huang, Gao Niu, Aging strengthening in Mg-3wt%Sn alloy, Second International Conference on Magnesium, 2006, Beijing [15]ShanghaiWei, Yungui Chen,Yongbai Tang, Hongmei Liu et al, Compressive creep behavior of as-cast and aging-treated Mg–5wt% Sn alloys, Materials Science and Engineering A 492 (2008) 20–23 [16]魏尚海, 陈云贵, 刘红梅等, Mg-5wt %Sn 合金铸态和时效态的高温蠕变性能，材料热处理学报，2008，29（3）：104-107 [17]Huang Deming, Chen Yungui, Tang Yongbai , Liu Hongmei et al. Indentation Creep Behavior of AE42 and Ca-containing AE41 Alloys. Materiala Letter, 2007, 61（4-5）101-1019

申请国际专利一项 “Magnesium Based Alloys and Process for Preparation”, Australian Patent, 2008905912