The Longest WarBook - 2015
It has been called "the great destroyer" and "the evil." The Pentagon refers to it as "the pervasive menace." It destroys cars, fells bridges, sinks ships, sparks house fires, and nearly brought down the Statue of Liberty. Rust costs America more than $400 billion per year--more than all other natural disasters combined.
In a thrilling drama of man versus nature, journalist Jonathan Waldman travels from Key West, Florida, to Prudhoe Bay, Alaska, to meet the colorful and often reclusive people who are fighting our mightiest and unlikeliest enemy. He sneaks into an abandoned steelworks with a brave artist, and then he nearly gets kicked out of Ball Corporation's Can School. Across the Arctic, he follows a massive high-tech robot that hunts for rust in the Alaska pipeline. On a Florida film set he meets the Defense Department's rust ambassador, who reveals that the navy's number one foe isn't a foreign country but oxidation itself. At Home Depot's mother ship in Atlanta, he hunts unsuccessfully for rust products with the store's rust-products buyer--and then tracks down some snake-oil salesmen whose potions are not for sale at the Rust Store. Along the way, Waldman encounters flying pigs, Trekkies, decapitations, exploding Coke cans, rust boogers, and nerdy superheroes.
The result is a fresh and often funny account of an overlooked engineering endeavor that is as compelling as it is grand, illuminating a hidden phenomenon that shapes the modern world. Rust affects everything from the design of our currency to the composition of our tap water, and it will determine the legacy we leave on this planet. This exploration of corrosion, and the incredible lengths we go to fight it, is narrative nonfiction at its very best--a fascinating and important subject, delivered with energy and wit.
From the critics
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Rust has knocked down bridges, killing dozens. It’s killed at least a handful of people at nuclear power plants, nearly caused reactor meltdowns, and challenged those storing nuclear waste.
Rust slows down container ships before stopping them entirely by aiding in the untimely removal of their propellers. It causes hundreds of explosions in manholes, blows up washing machines, and launches water heaters through the roof, sky high. It clogs the nozzles of fire sprinkler heads: a double whammy for oxidation. It damages fuel tanks and then engines. It seizes up weapons, manhandles mufflers, destroys highway guardrails, and spreads like a cancer in concrete. It’s opened up crypts.
Today’s paints self-heal, or can be applied underwater, or change color when exposed to rust—and still, rust plagues the navy.
Marc Reisner, in Cadillac Desert: The American West and Its Disappearing Water, writes that, much to our dismay, massive concrete dams—millions of cubic yards’ worth—may be what we end up leaving for future archaeologists to ponder.
Almost every metal is vulnerable to corrosion. Rust inflicts visible scars, turning calcium white, copper green, scandium pink, strontium yellow, terbium maroon, thallium blue, and thorium gray, then black. It’s turned Mars red. On Earth, it gives the Grand Canyon, bricks, Mexican tile, and blood their hue. A ruthless enemy, it never sleeps, reminding us constantly that metals, just like us, are mortal. Were Mad Men’s Don Draper to pitch metal, he’d say it’s like a maiden: rare, unrivaled in beauty, and impossibly alluring; but also demanding of constant attention, best watched carefully, quick to age, and intrinsically unfaithful.
Relying on corrosion tests (developed by Baboian), the US Mint designed new pennies and dollar coins. The government does not want, literally, to lose money.
As water flows from the Rockies to the Mississippi, and gets successively treated by more municipalities, it grows laden with calcium and magnesium, becoming what most people call hard. It’s not like utilities are trying to make the water hard.
But rust is costlier than all other natural disasters combined, amounting to 3 percent of GDP, or $437 billion annually, more than the GDP of Sweden. That averages out to about $1500 per person every year. It’s more if you live in Ohio, more if you own a boat like Syzygy, much more if you command an aircraft carrier.
Because corrosion is exothermic, the skin of a corroding Ford becomes hotter than the metal underlying it, and this thermal gradient generates local stress called electrostriction.
Punta Galeta, Panama, wet six days a week, holds the world’s highest corrosion rates for steel, zinc, and copper, and is conveniently located at the Caribbean entrance to the Panama Canal. For aluminum, though, the most threatening place in the world is Auby, France.
All of that paint was almost as thick as the copper, and unfortunately, had trapped water between the iron frame and the copper skin—exactly what Eiffel and Bartholdi had wanted to avoid. Water between the copper and iron was as bad as having the two metals in contact with each other. Hence one of the American team’s first discoveries: the statue had become an enormous battery. As a result, corrosion had produced a lot of “wastage,” and in some places, paint was the only material holding things together.
Ultimately, Iacocca’s campaign raised $277 million ($1.4 billion in today’s dollars) and threw it at a three-hundred-foot-tall metal object on an island on the windy, rainy, salty, humid Atlantic Coast.
The coal tar was more stubborn, reacting as it had with various corrosion products. Sandblasting would have removed it, but also would have damaged the copper, which was only 3/32 of an inch thick. Same for most other abrasives, and most solvents.
The statue, he determined, “was an ideal configuration for galvanic corrosion.” On account of the copper, the iron was corroding one hundred times faster than it would by itself. Worse, because the surface area of the copper was so large compared with that of the iron, corrosion was sped up another tenfold.
“The pentle hooks on the onagers are weakened so badly by corrosion,” he wrote, “that the arbalests are causing more casualties in our own army than to the enemy.”
Some, like aluminum, chrome, nickel, and titanium, form a thin outer layer of protective metal oxide, and then call it quits. Many of the corrosion-resistant metals are named in honor of Greek gods or kings, for no other entity could have created such marvelous stuff. Nevertheless, most metals met oxygen long ago, which explains why precious few metals present their naked selves anywhere on Earth. (This also explains why oxygen did not accumulate in the atmosphere for billions of years, until rocks on the surface had reached their fill.)
Shiny and strong, the stuff was perfect for Inuit spears, or Sumerian shields, or Tibetan jewelry. It was a nickel-iron alloy, not unlike stainless steel, and it came from the sky, in the form of meteorites.
The most noble metals—gold, platinum, iridium, palladium, osmium, silver, rhodium, and ruthenium—are also the most valuable, and this is no coincidence. They’re valuable because they’re reliable. They don’t corrode. The nobility of a metal is measured in volts, from 1.18 (platinum) to -1.6 (magnesium).
if a pipeline operator pushed 0.85 volts into his buried pipeline, he could convince the electrons in the steel not to be lured elsewhere.
The fourth arm is sort of a modern version of paint. Inhibitors, binding to metal before oxygen has a chance to, work just as well in abetting a brown outcome. Many are synthetic, but they’ve been made from mangos, Egyptian honey, and Kentucky tobacco. Anodizing—intentionally oxidizing the surface of aluminum by dipping it in acid and applying current—works because the thick oxide layer is then sealed with an inhibitor. Electroplating with a metal more durable than zinc—cadmium, chromium, nickel, or gold—is sort of the rich-man’s galvanizing.
Except they didn’t call the common 12-ounce can a can. They called it a 202 (because the diameter across the top is 2 2/16").
Commercial success demanded blending science and marketing; a steelmaker had to recognize not just the value of a new alloy, but its potential use.
A saying at the time, that “where there’s muck there’s money,” legitimized the grime, reek, and dust of industrial Sheffield, but Harry recognized later that it was a misfortune to be from there, for nobody had much ambition.
respiratory problems like “grinders disease,” the result of inhaling sandstone and steel particles all day.
In 1882 his parents moved down to Carlisle Street, beside the railroad tracks—a place said to be separated from hell by only a sheet of tissue paper. It was filthier, dustier, smokier.
The people of the world go through 180 billion aluminum beverage cans a year. That’s four six-packs for every person on the planet. The United States and Canada gobble up more than half of them—100 billion a year—and Ball makes a third of these. (Two other companies make the majority of the rest.)
Consider a can of Coke. It’s a corrosion nightmare. Phosphoric acid gives it a pH of 2.75, salts and dyes render it still more aggressive, and the concoction exists under ninety pounds per square inch of pressure, trying to force its way out of a layer of aluminum a few thousandths of an inch thick. It sits there for weeks, months, years, often in a humid fridge, or dank pantry, or hot trunk, or stagnant warehouse. That the can doesn’t corrode is a technological marvel. That we are capable of reproducing that result hundreds of billions of times over—with a failure rate of 0.002 percent—is an unheralded corrosion miracle.
If you stacked up all of the aluminum beverage cans produced in a year, the stack would be 13.5 million miles long. That’s long enough to make a tower that reaches the moon and to have enough cans leftover to make fifty-five more such towers. Of course, since an empty can is only capable of supporting 250 pounds, and each can weighs about a half ounce, you couldn’t stack up more than 7,353 cans before their own weight would crush the bottommost can, toppling the whole thing. So, practically, you’re limited to building a tower 2,757 feet tall, which is 40 feet taller than Dubai’s Burj Khalifa, the world’s tallest skyscraper. With all those cans we pump out every year, you could make 20 million such towers, which means you’d have to build more than 50,000 of the highest man-made structures ever built every day just to keep up with production.
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