A. Hellawell

6.3k total citations · 3 hit papers
87 papers, 5.2k citations indexed

About

A. Hellawell is a scholar working on Materials Chemistry, Mechanical Engineering and Aerospace Engineering. According to data from OpenAlex, A. Hellawell has authored 87 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 55 papers in Materials Chemistry, 43 papers in Mechanical Engineering and 41 papers in Aerospace Engineering. Recurrent topics in A. Hellawell's work include Solidification and crystal growth phenomena (45 papers), Aluminum Alloy Microstructure Properties (40 papers) and Metallurgical Processes and Thermodynamics (16 papers). A. Hellawell is often cited by papers focused on Solidification and crystal growth phenomena (45 papers), Aluminum Alloy Microstructure Properties (40 papers) and Metallurgical Processes and Thermodynamics (16 papers). A. Hellawell collaborates with scholars based in United Kingdom, United States and France. A. Hellawell's co-authors include Shu‐Zu Lu, Ian Maxwell, D. D. Double, R. M. Sharp, William Hume-Rothery, John Pilling, Mark Hanna, S. Z. Lu, R. N. Grugel and Shan Liu and has published in prestigious journals such as Nature, Journal of Fluid Mechanics and Progress in Materials Science.

In The Last Decade

A. Hellawell

84 papers receiving 4.8k 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.

The Crystal Chemistry and Physics of Metals and Alloys

1973 656 citations A. Hellawell profile →
The mechanism of silicon modification in aluminum-silicon alloys: Impurity induced twinning

1987 533 citations Shu‐Zu Lu, A. Hellawell Metallurgical Transactions A profile →
A simple model for grain refinement during solidification

1975 434 citations A. Hellawell et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
A. Hellawell	3.4k	3.2k	2.8k	428	372	87	5.2k
J. S. Kirkaldy	2.8k 0.8×	3.4k 1.0×	1.2k 0.4×	529 1.2×	759 2.0×	173	4.8k
J. W. Rutter	2.2k 0.6×	1.5k 0.5×	1.1k 0.4×	602 1.4×	290 0.8×	100	3.5k
J. D. Verhoeven	2.6k 0.8×	2.7k 0.8×	954 0.3×	294 0.7×	590 1.6×	190	4.4k
James M. Howe	3.4k 1.0×	2.8k 0.9×	1.3k 0.5×	419 1.0×	595 1.6×	200	5.0k
B. Chalmers	3.7k 1.1×	2.3k 0.7×	1.2k 0.4×	976 2.3×	790 2.1×	91	5.5k
D.M. Herlach	5.7k 1.7×	4.7k 1.4×	2.2k 0.8×	1.3k 3.1×	271 0.7×	234	7.0k
H.J. Frost	2.6k 0.8×	2.3k 0.7×	797 0.3×	432 1.0×	1.4k 3.7×	65	4.5k
A.J. Ardell	4.9k 1.5×	7.0k 2.1×	3.6k 1.3×	907 2.1×	1.0k 2.8×	168	8.8k
Walter Steurer	4.3k 1.3×	2.5k 0.8×	1.7k 0.6×	140 0.3×	654 1.8×	190	6.6k
I. Egry	2.8k 0.8×	2.9k 0.9×	753 0.3×	1.2k 2.9×	351 0.9×	158	4.8k

Countries citing papers authored by A. Hellawell

Since Specialization

Citations

This map shows the geographic impact of A. Hellawell'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. Hellawell with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Hellawell more than expected).

Fields of papers citing papers by A. Hellawell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Hellawell. 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. Hellawell. The network helps show where A. Hellawell may publish in the future.

Co-authorship network of co-authors of A. Hellawell

This figure shows the co-authorship network connecting the top 25 collaborators of A. Hellawell. A scholar is included among the top collaborators of A. Hellawell 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. Hellawell. A. Hellawell is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Jang, Junhyuk & A. Hellawell. (2004). Use of NH4Cl-H2O Analogue Castings to Model Aspects of Continuous Casting. Ironmaking & Steelmaking Processes Products and Applications. 18(4).

Liu, Shan, Shu‐Zu Lu, & A. Hellawell. (2002). Dendritic array growth in the systems NH4Cl–H2O and [CH2 CN]2–H2O: the detachment of dendrite side arms induced by deceleration. Journal of Crystal Growth. 234(4). 740–750. 61 indexed citations

Han, Qingyou & A. Hellawell. (1997). Primary particle melting rates and equiaxed grain nucleation. Metallurgical and Materials Transactions B. 28(1). 169–173. 25 indexed citations

Pilling, John & A. Hellawell. (1996). Mechanical deformation of dendrites by fluid flow. Metallurgical and Materials Transactions A. 27(1). 229–232. 145 indexed citations

Lu, Shu‐Zu & A. Hellawell. (1995). Using fractal analysis to describe irregular microstructures. JOM. 47(12). 14–17. 7 indexed citations

Hellawell, A., et al.. (1993). Channel convection in partly solidified systems. Philosophical Transactions of the Royal Society of London Series A Physical and Engineering Sciences. 345(1677). 507–544. 86 indexed citations

Hellawell, A., et al.. (1990). Brick Design for the Lunar Surface. 458–467. 7 indexed citations

Lu, Shu‐Zu & A. Hellawell. (1987). The mechanism of silicon modification in aluminum-silicon alloys: Impurity induced twinning. Metallurgical Transactions A. 18(10). 1721–1733. 533 indexed citations breakdown →

Hanna, Mark, Shu‐Zu Lu, & A. Hellawell. (1984). Modification in the aluminum silicon system. Metallurgical Transactions A. 15(3). 459–469. 127 indexed citations

10.

Grugel, R. N. & A. Hellawell. (1984). The Breakdown of Fibrous Structures in Directionally Grown Monotectic Alloys. Metallurgical Transactions A. 15(8). 1626–1631. 35 indexed citations

11.

Hellawell, A., et al.. (1982). The effect of mold precession on channel and macro-segregation in ammonium chloride-water analog castings. Metallurgical Transactions B. 13(3). 495–501. 42 indexed citations

12.

Grugel, Richard N. & A. Hellawell. (1982). Monotectic Alloy Solidification - Determination of the Liquidus Surface in the System Succinnonitrile-Ethanol-Glycerol. MRS Proceedings. 19. 4 indexed citations

13.

Double, D. D., et al.. (1978). The hydration of Portland cement. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 359(1699). 435–451. 125 indexed citations

14.

Sharp, R. M. & A. Hellawell. (1972). Solute distributions at solid-liquid growth fronts. Journal of Crystal Growth. 12(4). 339–340. 5 indexed citations

15.

Hellawell, A.. (1970). The growth and structure of eutectics with silicon and germanium. Progress in Materials Science. 15(1). 3–78. 146 indexed citations

16.

Hellawell, A., et al.. (1970). The nucleation of aluminum grains in alloys of aluminum with titanium and boron. Metallurgical Transactions. 1(1). 275–280. 90 indexed citations

17.

Sharp, R. M. & A. Hellawell. (1969). The microscopy and composition of quenched solid-liquid interfaces. Journal of Crystal Growth. 5(3). 155–161. 48 indexed citations

18.

Hellawell, A., et al.. (1968). The microstructure and crystallography of aluminium—silicon eutectic alloys. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 305(1483). 473–491. 146 indexed citations

19.

Hellawell, A., et al.. (1962). The development of preferred orientations during the freezing of metals and alloys. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 269(1339). 560–573. 35 indexed citations

20.

Hellawell, A. & William Hume-Rothery. (1957). The constitution of alloys of iron and manganese with transition elements of the first long period. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences. 249(968). 417–459. 141 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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