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Topic · Materials Chemistry

Shape Memory Alloy Transformations

Shape Memory Alloy Transformations is a research topic within Materials Chemistry. Science Explorer counts 20k research works in it since 1952. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the physical metallurgy, properties, and applications of shape memory alloys, particularly emphasizing martensitic transformation, magnetic field-induced strain, elastocaloric effect, and the microstructure of these materials. It covers a wide range of topics including biomedical applications, additive manufacturing, and metamagnetic shape memory alloys.

  • Shape Memory Alloys
  • Martensitic Transformation
  • Magnetic Field Induced Strain
  • Metamagnetic Shape Memory Alloys
  • Elastocaloric Effect
  • Ferromagnetic Shape Memory Alloys
  • Giant Magnetocaloric Effect
  • Microstructure
  • Biomedical Applications
  • Additive Manufacturing
Research works
20k
fractional, since 1952
In the world top 10%
2k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-1%
the tick is no change
Largest producer
China
46% of the 10 largest, 2022-now
Shape Memory Alloy Transformations

Which countries lead Shape Memory Alloy Transformations research?

By volume, China and the United States publish the most (1.3k and 302 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.3k works
  2. 2 United States 302 works
  3. 3 India 298 works
  4. 4 Russia 242 works
  5. 5 Germany 190 works
  6. 6 Japan 149 works
  7. 7 Italy 91 works
  8. 8 Türkiye 84 works
  9. 9 South Korea 80 works
  10. 10 France 68 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 46.4%United States: 10.8%India: 10.6%Russia: 8.6%6 others listed: 23.6%46%largest
China1,303 · 46.4%United States302 · 10.8%India298 · 10.6%Russia242 · 8.6%6 others listed661 · 23.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Shape Memory Alloy Transformations research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Shape Memory Alloy Transformations research, followed by Chinese Academy of Sciences and Harbin Institute of Technology.

By volume, 2022-now

  1. 1 Russian Academy of SciencesRussia 89 works
  2. 2 Chinese Academy of SciencesChina 56 works
  3. 3 Harbin Institute of TechnologyChina 50 works
  4. 4 Northwestern Polytechnical UniversityChina 36 works
  5. 5 National Research Tomsk State UniversityRussia 35 works
  6. 6 Xi'an Jiaotong UniversityChina 35 works
  7. 7 Czech Academy of SciencesCzechia 34 works
  8. 8 Centre National de la Recherche ScientifiqueFrance 31 works
  9. 9 Northeastern UniversityChina 29 works
  10. 10 Texas A&M UniversityUnited States 27 works

Who are the leading researchers in Shape Memory Alloy Transformations?

The most-cited researchers publishing on Shape Memory Alloy Transformations include Kai You Wang, Hua Zhang and Qiang Zhang.

  1. 1 Kai You Wang China 224k citations
  2. 2 Hua Zhang Singapore 196k citations
  3. 3 Qiang Zhang China 184k citations
  4. 4 Han Zhang China 161k citations
  5. 5 Huan Liu Australia 148k citations
  6. 6 Shi Xue Dou Australia 142k citations
  7. 7 Marcel Ausloos Belgium 132k citations
  8. 8 Paul K. Chu China 130k citations
  9. 9 Renu Virmani United States 129k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Shape Memory Alloy Transformations?

The most cited paper in Shape Memory Alloy Transformations is "The mathematical theory of non-uniform gases" (New York, 1953), with 7,693 citations. Next come "Physical metallurgy of Ti–Ni-based shape memory alloys" (4,640) and "Giant Magnetocaloric Effect in Gd 5 ( Si 2 Ge 2 )" (4,177).

Most cited papers
#PaperReleasedCitations
1 The mathematical theory of non-uniform gases New York · Journal of the Franklin Institute Apr 1953 7,693
2 Physical metallurgy of Ti–Ni-based shape memory alloys Kazuhiro Otsuka, Xiaobing Ren · Progress in Materials Science 13 Jan 2005 4,640
3 Giant Magnetocaloric Effect in Gd 5 ( Si 2 Ge 2 ) V. K. Pecharsky, K. A. Gschneidner · Physical Review Letters 9 Jun 1997 4,177
4 A review of shape memory alloy research, applications and opportunities Jaronie Mohd Jani, Martin Leary, Aleksandar Subic et al. · Materials & Design (1980-2015) 17 Dec 2013 4,094
5 Magnetic Materials and Devices for the 21st Century: Stronger, Lighter, and More Energy Efficient Oliver Gutfleisch, Matthew A. Willard, E. Brück et al. · Advanced Materials 15 Dec 2010 3,859
All 100 most cited papers, with filters and sorting

Where is Shape Memory Alloy Transformations research done?

The largest centres of Shape Memory Alloy Transformations research in 2022-now are Beijing (China), Xi'an (China), Shanghai (China) and Harbin (China). Among places with at least 20 works in it, it is an unusually large share of all research in Tomsk and Saarbrücken.

Largest cities, 2022-now

  1. 1 BeijingChina 169 works
  2. 2 Xi'anChina 106 works
  3. 3 ShanghaiChina 92 works
  4. 4 HarbinChina 90 works
  5. 5 MoscowRussia 71 works
  6. 6 ChengduChina 66 works
  7. 7 GuangzhouChina 56 works
  8. 8 ShenyangChina 51 works
  9. 9 NanjingChina 49 works
  10. 10 TomskRussia 41 works

Where it is the local speciality

  1. TomskRU · 41.2 works24×
  2. SaarbrückenDE · 21.9 works18×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Shape Memory Alloy Transformations than the world average.

See Shape Memory Alloy Transformations on the map

Where is the best place to study Shape Memory Alloy Transformations?

Among universities, judged by research, Southwest Jiaotong University, Hong Kong University of Science and Technology and Xi'an Jiaotong University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 23.65%fractional works in this field (log) →share of work in the world top 10% →Hong Kong University…Tongji UniversitySouthwest Jiaotong U…Xi'an Jiaotong Unive…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Southwest Jiaotong UniversityChina 77.026.3%10.8×26 +15.0%
2Hong Kong University of Science and TechnologyChina 76.328.6%9.8×13 +32.6%
3Xi'an Jiaotong UniversityChina 74.725.2%6.4×35 +26.9%
4Tongji UniversityChina 69.727.5%4.5×21 +166.9%
5Northwestern Polytechnical UniversityChina 66.516.4%10.2×36 +121.6%
6Delft University of TechnologyNetherlands 63.331.4%4.8×10 +61.8%
7Northeastern UniversityChina 62.617.6%10.3×29 +12.4%
8Jilin UniversityChina 62.123.3%6.5×23 +28.2%
9Harbin Institute of TechnologyChina 58.714.9%9.8×50 -20.0%
10University of ToledoUnited States 58.225.3%23.3×15 +8.1%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Shape Memory Alloy Transformations, country by country

Is Shape Memory Alloy Transformations research growing?

Output in 2022-2025 was 1% lower than in 2018-2021, peaking in 2022.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Shape Memory Alloy Transformations as a percentage of every work published that year, 0.014% in 2024.

still counting0.020%0.040%Shape Memory Alloy Transformations0.013% in 202519801990200020102020

Fractional works of Shape Memory Alloy Transformations over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Shape Memory Alloy Transformations9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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