Dr. Heah Cheng-Yong currently serves as an associate professor at Universiti Malaysia Perlis (UniMAP) in Faculty of Mechanical Engineering and Technology, Malaysia. He is the fellow researcher at Center of Excellence Geopolymer and Green Technology (CEGeoGTech) in the same institution. His research interests focuses on materials engineering, geopolymers, construction materials, materials characterization, materials processing, and materials characteristic. He is appointed more than 10 international editorial board members by multidiscipline journals.

• Materials Engineering
• Geopolymer
• High Temperature & Thermal Insulation

• Hang Yong-Jie, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Lee Yeng-Seng, Kong Ern-Hun, Ong Shee-Ween, Ooi Wan-En, Ng Hui-Teng & Ng Yong-Sing (2023) Strength optimization and key factors correlation of one-part fly ash/ladle furnace slag (FA/LFS) geopolymer using statistical approach, Journal of Building Engineering, 63, 105480. https://doi.org/10.1016/j.jobe.2022.105480 (Q1, IF = 7.144)
• Ooi Wan-En, Liew Yun-Ming, Heah Cheng-Yong, Ho Li Ngee, Mohd Mustafa Al Bakri Abdullah, Mohd Suhaimi Bin Khalid, Foo Kai Loong, Ong Shee-Ween, Tan Pei Seng, Hang Yong Jie & Khairunnisa Zulkifly (2022) Towards greener one-part geopolymers through solid sodium activators modification, Journal of Cleaner Production, 378, 134370. https://doi.org/10.1016/j.jclepro.2022.134370 (Q1, IF = 11.072)
• Ng Yong-Sing, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abdullah, Phakkhananan Pakawanit, Lynette Wei Ling Chan, Ng Hui-Teng, Ong Shee-Ween, Ooi Wan-En & Hang Yong-Jie (2022) Thin fly ash/ ladle furnace slag geopolymer: Effect of elevated temperature exposure on flexural properties and morphological characteristics, Ceramics International, 48, 16562 - 16575. (Q1, IF = 5.532)
• Ooi Wan-En, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abdullah, Ong Shee-Ween & Andrei Victor Sandu (2022) Effect of Sodium Aluminate on the Fresh and Hardened Properties of Fly Ash-based One-part Geopolymer, Archives of Metallurgy and Materials, 67, 441 - 445. (Q4, IF = 0.633)
• Ng Yong-Sing, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abdullah, Phakkhananan Pakawanit, Petrica Vizureanu, Mohd Suhaimi Khalid, Ng Hui-Teng, Hang Yong-Jie, Marcin Nabiałek, Paweł Pietrusiewicz, Sebastian Garus, Wojciech Sochacki and Agata Sliwa (2022) Improvements of Flexural Properties and Thermal Performance in Thin Geopolymer Based on Fly Ash and Ladle Furnace Slag Using Borax Decahydrates, Materials, 15, 4178. (Q1, IF = 3.748)
• Ng Hui-Teng, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Phakkhananan Pakawanit, Ridho Bayuaji, Ng Yong-Sing, Khairunnisa Binti Zulkifly,Ooi Wan-En, Hang Yong-Jie & Ong Shee-Ween (2022) Comparison of thermal performance between fly ash geopolymer and fly ash-ladle furnace slag geopolymer, Journal of Non-Crystalline Solids, 585, 121527. (Q1, IF = 4.458)
• Ng Hui-Teng, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Catleya Rojviriya, Part Wei Ken, Ong Shee-Ween, Hang Yong-Jie & Ooi Wan-En (2022) Thermo-mechanical behaviour of fly ash-ladle furnace slag blended geopolymer with incorporation of decahydrate borax, Construction and Building Materials, 331, 127337. (Q1, IF = 7.693)
• Ng Yong-Sing, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abkdullah, Ng Hui-Teng & Lynette Wei Ling Chan (2022) Flexural Properties of Thin Fly Ash Geopolymers at Elevated Temperature, Archives of Metallurgy and Materials, 67, 1145-1150. (Q4, IF = 0.633)
• Ng Hui-Teng, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Catleya Rojviriya, Hasniyati Md Razi, Sebastian Garus, Marcin Nabiałek, Wojciech Sochacki, Ilham Mukriz Zainal Abidin, Ng Yong-Sing, Agata Sliwa and Andrei Victor Sandu (2022) Preparation of Fly Ash-Ladle Furnace Slag Blended Geopolymer Foam via Pre-Foaming Method with Polyoxyethylene Alkyether Sulphate Incorporation, Materials, 15, 4085. (Q1, IF = 3.748)
• Fong Sue Min, Heah Cheng Yong, Liew Yun Ming, Mohd Mustafa Al Bakri Abdullah, Hasniyati Md Razi, Foo Wah Low, Ng Hui Teng and Ng Yong Sing (2022) Effect of silica fume and alumina addition on the mechanical and microstructure of fly ash geopolymer concrete, Archives of Metallurgy and Materials, 67, 197 – 202, (Q4, IF = 0.633)
• Thor S.-H., Ho L.-N.,Ong S.-A., Abidin C.Z.A.,Heah C.-Y., Nordin N., Ong Y.-P., Yap K.-L. (2021) Advanced oxidation treatment of amaranth dye synchronized with electricity generation using carbon-based cathodes in a sustainable photocatalytic fuel cell integrated electro-fenton system, Journal of Environmental Chemical Engineering, 9(6), 106439. (Q1, IF = 7.968)
• Ng Yong-Sing, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abkdullah, Lynette Wei Ling Chan, Ng Hui-Teng, Ong Shee-Ween, Ooi Wan-En and Hang Yong Jie (2021) Evaluation of flexural properties and characterisation of 10-mm thin geopolymer based on fly ash and ladle furnace slag, Journal of Materials Research and Technology, 15, 163 – 176 (Q1, IF = 6.267)
• Ooi Wan-En, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abdullah, Long-Yuan Li, Li Ngee Ho, Foo Kai Loong, Ong Shee-Ween, Ng Hui-Teng, Ng Yong-Sing and Nur Ain Jaya (2021) Comparative mechanical and microstructural properties of high calcium fly ash one-part geopolymers activated with Na2SiO3-anhydrous and NaAlO2, Journal of Materials Research and Technology, 15, 3850 – 3866 (Q1, IF = 6.267)
• Ong Shee-Ween, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Ho Li Ngee, Lynette Wei Ling Chan, Ooi Wan-En, Nur Ain Jaya and Ng Yong-Sing (2021) Cold-pressed fly ash geopolymers: effect of formulation on mechanical and morphological characteristics, Journal of Materials Research and Technology, 15, 3028 – 3046 (Q1, IF = 6.267)
• Shen-Hui Thor, Li-Ngee Ho, Soon-An Ong, Che Zulzikrami Azner Abidin, Cheng-Yong Heah, Noradiba Nordin, Yong-Por Ong, Kea-Lee Yap (2022) Discovering the roles of electrode distance and configuration in dye degradation and electricity generation in photocatalytic fuel cell integrated electro-Fenton process, Separation and Purification Technology, 278, 119652 (Q1, IF = 9.136)
• Nur Ain Jaya, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abdullah, Foo Wah Low, Ooi Wan-En, Ilham Mukriz Zainal Abidin & Noorhazleena Azaman (2021) Effect of Anisotropic Pores on the Material Properties of Metakaolin Geopolymer Composites Incorporated with Corrugated Fiberboard and Rubber, Journal of Materials Research and Technology (Q1, IF = 6.267)
• Ng Hui-Teng, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Kong Ern Hun, Hasniyati Md Razi & Ng Yong Sing (2021) Formulation, mechanical properties and phase analysis of fly ash geopolymer with ladle furnace slag replacement, Journal of Materials Research and Technology, 12, 1212 – 1226 (Q1, IF = 6.267)
• Khairunnisa Zulkifly, Heah Cheng-Yong, Liew Yun-Ming, Ridho Bayuaji, Mohd Mustafa Al Bakri Abdullah, Shamsul Bin Ahmad, Tomasz Stachowiak, Janusz Szmidla, Joanna Gondro, Bartlomiej Jez, Mohd Suhaimi Bin Khalid, Sebastian Garus, Ong Shee-Ween, Ooi Wan-En & Ng Hui-Teng (2021) Elevated-Temperature Performance, Combustibility and Fire Propagation Index of Fly Ash-Metakaolin Blend Geopolymers with Addition of Monoaluminium Phosphate (MAP) and Aluminum Dihydrogen Triphosphate (ATP), Materials, 14, 1973 (Q1, IF = 3.748)
• Ong Huey Li, Liew Yun-Ming, Heah Cheng-Yong, Ridho Bayuaji, Mohd Mustafa Al Bakri Abdullah, Foo Kai Loong, Tan Soo Jin, Ng Hui Teng, Marcin Nabialek, Bartlomiej Jez & Ng Yong Sing. (2021). Evaluation of the effect of silica fume on amorphous fly ash geopolymers exposed to elevated temperature, Magnetochemistry, 7, 9 (Q2, IF = 3.336)
• Khairunnisa Zulkifly, Heah Cheng-Yong, Liew Yun-Ming, Mohd Mustafa Al Bakri Abdullah, Ong Shee-Ween & Mohd Suhaimi Bin Khalid. (2021). Effect of phosphate addition on room-temperature-cured fly ash-metakaolin blend geopolymers. Construction and Building Materials, 270, 121486 (Q1, IF = 7.693)
• Nur Ain Jaya, Liew Yun-Ming, Heah Cheng-Yong, Mohd Mustafa Al Bakri Abdullah & Kamarudin Hussin. (2020). Correlation between pore structure, compressive strength and thermal conductivity of porous metakaolin geopolymer, Construction and Building Materials, 247, 118641 (Q1, IF = 7.693)
• T.N.A.B.T.A. Mutalib, S.J. Tan, K.L. Foo, Y.M. Liew, C.Y. Heah & M.M.A.B Abdullah. (2020). Properties of polyaniline/graphene oxide (PANI/GO) composites: effect of GO loading, Polymer Bulletin, https://doi.org/10.1007/s00289-020-03334-w (Q2, IF = 2.843)
• CS Oon, SN Kazi, N Zubir, Irfan Anjum Badruddin, Sarfaraz Kamangar, CY Heah, Fadi Alnaimat, Boby Mathew, A Husain. (2020). Fouling and fouling mitigation of mineral salt using bio-based functionalized graphene nano-plates, Journal of Thermal Analysis and Calorimetry, https://doi.org/10.1007/s10973-020-09940-0 (Q1, IF = 4.755)
• Foo Wah Low, Goh Chin Hock, Muhammad Kashif, Nurul Asma Samsudin, Chien Fat Chau, Amaliyah Rohsari Indah Utami, Mohammad Amirul Islam, Cheng Yong Heah, Yun Ming Liew, Chin Wei Lai, Nowshad Amin & Sieh Kiong Tiong. (2020). Influence of sputtering temperature of TiO2 deposited onto reduced graphene oxide nanosheet as efficient photoanodes in dye-sensitized solar cells, Molecules, 25, 4852 (Q1, IF = 4.927)
• Ikmal Hakem Aziz, Mohd Mustafa Al Bakri Abdullah, Heah Cheng Yong, Liew Yun Ming, Emy Aizat Azimi. (2019). Manufacturing parameters influencing fire resistance of geopolymers: A review. Journal of Materials Design and Application, 233(4), 541-545 (Q3, IF = 2.633)
• Ikmal Hakem Aziz, Mohd Mustafa Al Bakri Abdullah, Heah Cheng-Yong, Liew Yun-Ming. (2020) Behaviour changes of ground granulated blast furnace slag geopolymers at high temperature, Advances in Cement Research, 32(10), 465-475. (Q1, IF = 1.791)
• Liew Yun Ming, Andrei Victor Sandu, Heah Cheng Yong, Yuyun Tajunnisa, Siti Fatimah Azzahran, Ridho Bayuji, Mohd Mustafa Al Bakri Abdullah, Petrica Vizureanu, Kamarudin Hussin, Tan Soo Jin and Foo Kai Loong. (2019). Compressive strength and thermal conductivity of fly ash geopolymer concrete incorporated with lightweight aggregate, expanded clay aggregate and foaming agent, Revista De Chimie, 70(11), 4021 - 4028 (Q2, IF = 1.733)
• Ikmal Hakem Aziz, Mohd Mustafa Al Bakri Abdullah, Cheng-Yong Heah & Yun-Ming Liew. (2019). Behaviour changes of ground granulated blast furnace slag geopolymers at high temperature, Advances in Cement Research, 0, 1-11 (Q3, IF = 2.206)
• Liew Yun Ming, Andrei Victor Sandu, Heah Cheng Yong, Yuyun Tajunnisa, Siti Fatimah Azzahran, Ridho Bayuji, Mohd Mustafa Al Bakri Abdullah, Petrica Vizureanu, Kamarudin Hussin, Tan Soo Jin and Foo Kai Loong. (2019). Compressive strength and thermal conductivity of fly ash geopolymer concrete incorporated with lightweight aggregate, expanded clay aggregate and foaming agent, Revista De Chimie, 70(11), 4021 - 4028 (Q3, IF = 1.755)
• Heah Cheng Yong, Liew Yun Ming, Mohd Mustafa Al Bakri Abdullah & Kamarudin Hussin. (2017). Thermal resistance variations of fly ash geopolymers: foaming responses. Scientific Reports, 7:45355 (Q2, IF = 4.996)
• Liew Yun-Ming, Heah Cheng-Yong, Long-yuan Li, Nur Ain Jaya, Mohd Mustafa Al Bakri Abdullah, Tan Soo Jin, Kamarudin Hussin. (2017). Formation of one-part-mixing geopolymers and geopolymer ceramics from geopolymer powder, Construction and Building Materials, 156, 9-18 (Q1, IF = 7.693)
• Emy Aizat Azimi, Mohd Mustafa Al Bakri Abdullah, Liew Yun Ming, Heah Cheng Yong, Kamarudin Hussin & Ikmal Hakem Azizi. (2016). Processing and properties of geopolymers as thermal insulating materials: A review. Review on Advanced Materials Sciences, 44, 273-285 (Q2, IF = 1.197)
• Liew Yun Ming, Heah Cheng Yong, Mohd Mustafa Al Bakri, Kamarudin Hussin. (2016). Structure and properties of clay-based geopolymer cements: A review. Progress in Materials Science, 83, 595-629 (Q1, IF = 48.165)
• C.Y. Heah, H. Kamarudin, A.M. Mustafa Al Bakri, M. Binhussain, M. Luqman, I. Khairul Nizar, C.M. Ruzaidi & Y.M. Liew. (2013). Kaolin-based geopolymers with various NaOH concentrations. International Journal of Minerals, Metallurgy, and Materials, 20, 313-322 (Q1, IF = 3.85)
• Y.M. Liew, H. Kamarudin, A.M. Mustafa Al Bakri, M. Bnhussain, M. Luqman, I. Khairul Nizar, C.M. Ruzaidi & C.Y. Heah. (2012). Optimization of solids-to-liquid and alkali activator ratios of calcined kaolin geopolymeric powder. Construction and Building Materials, 37, 440-451 (Q1, IF = 7.693)
• Y.M. Liew, H. Kamarudin, A.M. Mustafa Al Bakri, M. Luqman, I. Khairul Nizar, C.M. Ruzaidi & C.Y. Heah. (2012). Processing and characterization of calcined kaolin cement powder. Construction and Building Materials, 30, 794-802 (Q1, IF = 7.693)
• C.Y. Heah, H. Kamarudin, A.M. Mustafa Al Bakri, M. Binhussain, M. Luqman, I. Khairul Nizar, C.M. Ruzaidi & Y.M. Liew. (2012). Study on solids-to-liquid and alkaline activator ratios on kaolin-based geopolymers. Construction and Building Materials, 35, 912-922 (Q1, IF = 7.693)
• C.Y. Heah, H. Kamarudin, A.M. Mustafa Al Bakri, M. Binhussain, M. Luqman, I. Khairul Nizar, C.M. Ruzaidi & Y.M. Liew. (2012). Effect of alkali concentration on mechanical properties of kaolin geopolymers. Romanian Journal of Materials, 42(2), 179-186 (Q4, IF = 0.628)

• Heah Cheng Yong, Ong Shee Ween, Liew Yun Ming, Mohd Mustafa Al Bakri Abdullah & Ooi Wan En. (2021) Sustainable Waste Utilization in Bricks, Concrete, and Cementitious Materials Vol 129, Chapter 4: Development of Ash-Based and Slag-Based Pressed Geopolymer, Springer (ISBN 978-981-334-918-6)
• Liew Yun Ming, Ooi Wan En, Heah Cheng Yong, Mohd Mustafa Al Bakri Abdullah & Ong Shee Ween. (2021). Sustainable Waste Utilization in Bricks, Concrete, and Cementitious Materials Vol 129, Chapter 6: Characteristic of One-Part Geopolymer as Building Materials, Springer (ISBN 978-981-334-918-6)
• Mohd Mustafa Al Bakri Abdullah, Liew Yun Ming, Heah Cheng Yong and Muhammad Faheem Mohd Tahir. (2018) "Chapter 14: Clay-Based Materials in Geopolymer Technology", Intech Open, edited by Hosam El-Din M. Saleh & Rehad Abdel Rahman (ISBN 978-1-78984-154-1)

No content available to display!!!