Tadeusz Sendzimir (originally Sędzimir; July 15, 1894 in

Lwów Lviv ( uk, Львів) is the largest city in western Ukraine, and the seventh-largest in Ukraine, with a population of . It serves as the administrative centre of Lviv Oblast and Lviv Raion, and is one of the main cultural centres of Ukrain ...

– September 1, 1989 in

Jupiter, Florida Jupiter is the northernmost town in Palm Beach County, Florida, United States. According to the 2020 Census, the town had a population of 61,047 as of April 1, 2020. It is 84 miles north of Miami, and the northernmost community in the Miami met ...

) of

Ostoja coat of arms Ostoja ( sr-cyr, Остоја) may refer to: * Ostoja, Łódź Voivodeship, a village in Poland * Ostoja, West Pomeranian Voivodeship, a village in Poland * Clan of Ostoja, a late medieval European clan * Ostoja coat of arms * Ostoja, masculine g ...

was a Polish engineer and inventor of international renown with 120 patents in

mining Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic ...

and

metallurgy Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys. Metallurgy encompasses both the sci ...

, 73 of which were awarded to him in the United States.Sarmatian Review XV.1
His name has been given to revolutionary methods of processing steel and metals used in every industrialized nation of the world. Sendzimir was a holder of the Polish Golden Cross of Merit (from 1938), the Bessemer Gold Medal (from 1965) and the Brinell Gold Medal from the Royal Swedish Academy of Sciences in Stockholm (from 1974). On the 100th anniversary of the Statue of Liberty he was one of those prominent immigrants honored for their contributions to America. In 1990 Poland's large steel plant in

Kraków Kraków (), or Cracow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the city dates back to the seventh century. Kraków was the official capital of Poland until 159 ...

(formerly the

Lenin Vladimir Ilyich Ulyanov. ( 1870 – 21 January 1924), better known as Vladimir Lenin,. was a Russian revolutionary, politician, and political theorist. He served as the first and founding head of government of Soviet Russia from 1917 to 19 ...

Steelworks) was renamed to Tadeusz Sendzimir Steelworks. The AIST Tadeusz Sendzimir Memorial Medal was established in the same year.

Early years

Sendzimir was the eldest son of Kazimierz Sędzimir belonging to the

Clan of Ostoja The Clan of Ostoja (old Polish: ''Ostoya'') was a powerful group of knights and lords in late-medieval Europe. The clan encompassed families in the Polish–Lithuanian Commonwealth (including present-day Belarus and Ukraine), Hungary and Upper Hun ...

and Wanda Jaskółowska. Fascinated by machinery as a child, he built his own camera at the age of 13. After studying at the 4th Classical Gymnasium (''Gimnazjum Klasyczne'') in Lwów he entered the Politechnika Lwowska. However when Lwów was captured by Russian troops the Polytechnic Institute was closed and he moved to

Kiev Kyiv, also spelled Kiev, is the capital and most populous city of Ukraine. It is in north-central Ukraine along the Dnieper River. As of 1 January 2021, its population was 2,962,180, making Kyiv the seventh-most populous city in Europe. Ky ...

. There he worked in auto services and in the Russian-American Chamber of commerce where he learned

Russian Russian(s) refers to anything related to Russia, including: *Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *Rossiyane (), Russian language term for all citizens and peo ...

and English. The

Russian Revolution of 1917 The Russian Revolution was a period of political and social revolution that took place in the former Russian Empire which began during the First World War. This period saw Russia abolish its monarchy and adopt a socialist form of government ...

forced Sendzimir to flee to

Vladivostok Vladivostok ( rus, Владивосто́к, a=Владивосток.ogg, p=vɫədʲɪvɐˈstok) is the largest city and the administrative center of Primorsky Krai, Russia. The city is located around the Zolotoy Rog, Golden Horn Bay on the Sea ...

, then to

Shanghai Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flowin ...

, where Sendzimir built the first factory in China which produced screws, nails and wire. Financial support was provided by the Russian-Asian Bank, at the time headed by Poles (Władysław Jezierski and Zygmunt Jastrzębski).

Immigration and researches

In 1922 Sendzimir married Barbara Alferieff. His first son Michael was born two years later. Designing and making his own machines, Sendzimir began experimenting with a new way to galvanize steel. Despite galvanization, the products still had a tendency to

oxidize Redox (reduction–oxidation, , ) is a type of chemical reaction in which the oxidation states of substrate (chemistry), substrate change. Oxidation is the loss of Electron, electrons or an increase in the oxidation state, while reduction ...

. Sendzimir discovered that the problem was due to the

zinc Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic t ...

bonding to a thin layer of

iron hydroxide Iron oxides are chemical compounds composed of iron and oxygen. Several iron oxides are recognized. All are black magnetic solids. Often they are non-stoichiometric. Oxyhydroxides are a related class of compounds, perhaps the best known of wh ...

on its surface, rather than to the iron. In 1929 Sendzimir approached several American industrialists with his findings, but since the Great Depression had begun, he was unsuccessful in gaining their interest. Returning to Poland in 1931, he obtained support for the construction of the first industrial-scale galvanizing unit and put several cold strip mills into operation. This process was explained by him as follows: "Let's imagine a piece of a hard pastry. We are rolling it on the pastry-board to decrease its thickness. However it would be faster and easier if we asked someone to stretch it by holding the edges". A steel mill in

Butler, Pennsylvania Butler is a city and the county seat of Butler County, Pennsylvania, United States. It is located north of Pittsburgh and is part of the Greater Pittsburgh region. As of the 2020 census, the city population was 13,502. History Butler was n ...

was established by Sendzimir in 1936. By 1938

Armco Steel AK Steel Holdings Corporation was a steelmaking company headquartered in West Chester Township, Butler County, Ohio. The company, whose name was derived from the initials of Armco, its predecessor company, and Kawasaki Steel Corporation, was a ...

became interested in his work and they formed a partnership with him, the Armzen Company, to oversee the worldwide expansion of his galvanizing and mill technology. In the spring of 1939 Sendzimir moved to

Middletown, Ohio Middletown is a city located in Butler and Warren counties in the southwestern part of the U.S. state of Ohio, about 35 miles (47 km) north of Cincinnati. The population as of the 2020 census was 50,987. It is part of the Cincinnati metr ...

. Sendzimir's patented mill could roll hard materials down to very light gauges. The U.S. company, T. Sendzimir, Inc., was formed by him in Waterbury, Connecticut, in the 1940s In 1945, he married Bertha Bernoda. The following year he became a citizen of the United States. With the beginning of the Cold War, Sendzimir and his achievements were ignored by

Communist Communism (from Latin la, communis, lit=common, universal, label=none) is a far-left sociopolitical, philosophical, and economic ideology and current within the socialist movement whose goal is the establishment of a communist society, a ...

Poland and he was not even mentioned in the Polish ''Encyklopedia Powszechna'' (Universal Encyclopedia). This changed when

Edward Gierek Edward Gierek (; 6 January 1913 – 29 July 2001) was a Polish Communist politician and ''de facto'' leader of Poland between 1970 and 1980. Gierek replaced Władysław Gomułka as First Secretary of the ruling Polish United Workers' Party (PZP ...

, a new leader of the

Polish United Workers' Party The Polish United Workers' Party ( pl, Polska Zjednoczona Partia Robotnicza; ), commonly abbreviated to PZPR, was the communist party which ruled the Polish People's Republic as a one-party state from 1948 to 1989. The PZPR had led two other lega ...

, came to power. Sendzimir was awarded an Officer Cross of the Order

Polonia Restituta , image=Polonia Restituta - Commander's Cross pre-1939 w rib.jpg , image_size=200px , caption=Commander's Cross of Polonia Restituta , presenter = the President of Poland , country = , type=Five classes , eligibility=All , awa ...

(''Krzyż Oficerski Orderu Odrodzenia Polski''). In 1975 Sendzimir received the honorary degree of doctor ''honoris causa'' from the

AGH University of Science and Technology AGH University of Science and Technology in Kraków, (abbreviated as ''AGH UST'') is a public university in Kraków, Poland. Founded in 1913, its inauguration took place in 1919. The university focuses on innovative technologies, its research p ...

in Kraków. Sendzimir's successful methods for galvanizing steel eventually were implemented in the first Z-mill rolling

silicon Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic ...

steel, making it pliable enough for use in air defense radar. Between 1953 and 1989 he introduced the first productive Z-mill to

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...

, and to Japan and Canada in the 1950s and 1960s. In 1974 Sendzimir invented a spiral steel looper used in both the United States and Japan. Ninety percent of the world's

galvanized steel Galvanization or galvanizing ( also spelled galvanisation or galvanising) is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are submer ...

production went through the Sendzimir process by the early 1980s. Poland, France, the United Kingdom, Japan, and Canada purchased his steel mills and technologies over the years. Most notably, Sendzimir was a major financial and personal supporter of the Kościuszko Foundation, the

Polish Institute of Arts and Sciences of America The Polish Institute of Arts and Sciences of America (PIASA) is a Polish-American scholarly institution headquartered in Manhattan (New York City), at 208 East 30th Street. History The Institute was founded during the height of World War II, in 1 ...

and Alliance College in

Pennsylvania Pennsylvania (; (Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Ma ...

. Sendzimir died after a massive stroke and was buried by his family in a zinc-plated coffin made according to his design.

Quote

* "I have been carrying family and the only my capital - a new method of zinc-plating to another coast of the Pacific"

Notes

References

* Vanda Sendzimir. ''Steel Will: The Life of Tad Sendzimir''. New York, Hippocrene Books, 1994. * M. Kalisz. ''Walcownia znaczy Sendzimir''. "Przekrój", 1973, nr. 1468. * O. Budrewicz. ''Ocynkowane życie''. "Perspektywy", 1974, nr. 38.

External links