A.Z. Syahir

885 total citations · 1 hit paper
15 papers, 683 citations indexed

About

A.Z. Syahir is a scholar working on Mechanical Engineering, Biomedical Engineering and Mechanics of Materials. According to data from OpenAlex, A.Z. Syahir has authored 15 papers receiving a total of 683 indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Mechanical Engineering, 8 papers in Biomedical Engineering and 6 papers in Mechanics of Materials. Recurrent topics in A.Z. Syahir's work include Lubricants and Their Additives (11 papers), Biodiesel Production and Applications (8 papers) and Tribology and Wear Analysis (6 papers). A.Z. Syahir is often cited by papers focused on Lubricants and Their Additives (11 papers), Biodiesel Production and Applications (8 papers) and Tribology and Wear Analysis (6 papers). A.Z. Syahir collaborates with scholars based in Malaysia, Pakistan and Saudi Arabia. A.Z. Syahir's co-authors include Nurin Wahidah Mohd Zulkifli, H.H. Masjuki, M.A. Kalam, M.H. Harith, Leang So Khuong, Abdullah Alabdulkarem, Mubashir Gulzar, Mohd Nur Ashraf Mohd Yusoff, Muhammad Jamshaid and M.A. Mujtaba and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Cleaner Production and Fuel.

In The Last Decade

A.Z. Syahir

14 papers receiving 664 citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A review on bio-based lubricants and their applications

2017 303 citations A.Z. Syahir, Nurin Wahidah Mohd Zulkifli et al. Journal of Cleaner Production profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
A.Z. Syahir Malaysia	10	433	382	216	174	66	15	683
M.H. Harith Malaysia	9	452 1.0×	431 1.1×	207 1.0×	166 1.0×	77 1.2×	11	743
Leang So Khuong Malaysia	9	509 1.2×	371 1.0×	281 1.3×	147 0.8×	88 1.3×	12	780
Amneesh Singla India	15	473 1.1×	429 1.1×	243 1.1×	229 1.3×	108 1.6×	50	778
Xiuhong Li China	13	285 0.7×	292 0.8×	85 0.4×	71 0.4×	96 1.5×	52	634
M.H. Mosarof Malaysia	18	608 1.4×	761 2.0×	206 1.0×	387 2.2×	168 2.5×	24	1.1k
Rolf Luther Germany	8	377 0.9×	209 0.5×	172 0.8×	60 0.3×	67 1.0×	25	525
Mustabshirha Gul Pakistan	13	362 0.8×	387 1.0×	64 0.3×	101 0.6×	99 1.5×	21	618
I.M. Monirul Malaysia	10	312 0.7×	583 1.5×	35 0.2×	354 2.0×	57 0.9×	11	633
Harveer Singh Pali India	17	428 1.0×	626 1.6×	34 0.2×	305 1.8×	140 2.1×	64	837
Libia M. Baena Colombia	9	235 0.5×	243 0.6×	36 0.2×	60 0.3×	153 2.3×	13	475

Countries citing papers authored by A.Z. Syahir

Since Specialization

Citations

This map shows the geographic impact of A.Z. Syahir's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A.Z. Syahir with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A.Z. Syahir more than expected).

Fields of papers citing papers by A.Z. Syahir

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A.Z. Syahir. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A.Z. Syahir. The network helps show where A.Z. Syahir may publish in the future.

Co-authorship network of co-authors of A.Z. Syahir

This figure shows the co-authorship network connecting the top 25 collaborators of A.Z. Syahir. A scholar is included among the top collaborators of A.Z. Syahir based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A.Z. Syahir. A.Z. Syahir is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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15 of 15 papers shown

Mamat, Rizalman, et al.. (2025). Carbon fibre for applications in aerospace: A review. SHILAP Revista de lepidopterología. 12. 100227–100227.

Syahir, A.Z., et al.. (2022). Frictional Power Evaluation of Additive-Mixture in Trimethylolpropane Trioleate Oil using Single Cylinder Diesel Engine. IOP Conference Series Materials Science and Engineering. 1244(1). 12011–12011. 2 indexed citations

Yusoff, Mohd Nur Ashraf Mohd, Nurin Wahidah Mohd Zulkifli, Nazatul Liana Sukiman, et al.. (2022). Microwave irradiation-assisted transesterification of ternary oil mixture of waste cooking oil – Jatropha curcas – Palm oil: Optimization and characterization. Alexandria Engineering Journal. 61(12). 9569–9582. 18 indexed citations

Syahir, A.Z., M.H. Harith, Nurin Wahidah Mohd Zulkifli, et al.. (2020). Compatibility of Ionic Liquid With Glycerol Monooleate and Molybdenum Dithiocarbamate as Additives in Bio-Based Lubricant. Journal of Tribology. 142(6). 3 indexed citations

Zulkifli, Nurin Wahidah Mohd, H.H. Masjuki, M.H. Harith, et al.. (2020). Friction and Wear Performance of Oleate-Based Esters With Two-, Three-, and Four-Branched Molecular Structure in Pure Form and Mixture. Journal of Tribology. 143(1). 3 indexed citations

Gul, Mustabshirha, Nurin Wahidah Mohd Zulkifli, M.A. Kalam, et al.. (2020). Effect of TMP-based-cottonseed oil-biolubricant blends on tribological behavior of cylinder liner-piston ring combinations. Fuel. 278. 118242–118242. 52 indexed citations

Mujtaba, M.A., Haeng Muk Cho, H.H. Masjuki, et al.. (2020). Effect of alcoholic and nano-particles additives on tribological properties of diesel–palm–sesame–biodiesel blends. Energy Reports. 7. 1162–1171. 59 indexed citations

Syahir, A.Z., Nurin Wahidah Mohd Zulkifli, H.H. Masjuki, et al.. (2019). Tribological Improvement Using Ionic Liquids as Additives in Synthetic and Bio-Based Lubricants for Steel–Steel Contacts. Tribology Transactions. 63(2). 235–250. 26 indexed citations

Zulkifli, Nurin Wahidah Mohd, H.H. Masjuki, M.H. Harith, et al.. (2019). Effect of bio-based lubricant towards emissions and engine breakdown due to spark plug fouling in a two-stroke engine. Journal of Cleaner Production. 221. 215–223. 13 indexed citations

10.

Yusoff, Mohd Nur Ashraf Mohd, Nurin Wahidah Mohd Zulkifli, H.H. Masjuki, et al.. (2018). Comparative assessment of ethanol and isobutanol addition in gasoline on engine performance and exhaust emissions. Journal of Cleaner Production. 190. 483–495. 63 indexed citations

11.

Jamshaid, Muhammad, M.A. Kalam, Nurin Wahidah Mohd Zulkifli, et al.. (2018). Production optimization and tribological characteristics of cottonseed oil methyl ester. Journal of Cleaner Production. 209. 62–73. 25 indexed citations

12.

Syahir, A.Z., Nurin Wahidah Mohd Zulkifli, H.H. Masjuki, et al.. (2017). A review on bio-based lubricants and their applications. Journal of Cleaner Production. 168. 997–1016. 303 indexed citations breakdown →

13.

Yusoff, Mohd Nur Ashraf Mohd, Nurin Wahidah Mohd Zulkifli, H.H. Masjuki, et al.. (2017). Performance and emission characteristics of a spark ignition engine fuelled with butanol isomer-gasoline blends. Transportation Research Part D Transport and Environment. 57. 23–38. 56 indexed citations

14.

Khuong, Leang So, H.H. Masjuki, Nurin Wahidah Mohd Zulkifli, et al.. (2017). Effect of gasoline–bioethanol blends on the properties and lubrication characteristics of commercial engine oil. RSC Advances. 7(25). 15005–15019. 53 indexed citations

15.

Syahir, A.Z., et al.. (2017). Enhancing vehicle’s engine warm up using integrated mechanical approach. IOP Conference Series Materials Science and Engineering. 210. 12064–12064. 7 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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